Current Fellows
ACGME Accredited Fellowships
Advanced Heart Failure & Transplant Cardiology Fellows
Advanced Heart Failure & Transplant Cardiology Fellows
Mohammed Essa, MD, MPH
Medical School: Mansoura University Faculty of Medicine, Egypt
Residency: Mount Auburn Hospital / Harvard Medical School
Mo grew up in Mansoura, Egypt, where he completed medical school and co-founded a refugee medical services office in partnership with UNHCR and the Arab Medical Union, spending several years providing care to underserved and displaced populations. After graduating with honors, he spent time as a research fellow in cardiovascular imaging at Yale before moving to Boston for internal medicine residency at Mount Auburn Hospital. He went on to earn his MPH in Epidemiology from the Harvard T.H. Chan School of Public Health, with training in causal inference methods at CAUSALab. At the Smith Center for Outcomes Research, he has worked with Dr. Dhruv Kazi studying real-world gaps in evidence-based cardiovascular care, with a growing interest in heart failure outcomes, critical care cardiology, and cardiogenic shock. Mo is pursuing a career in cardiology as a clinical investigator, with a focus on outcomes and implementation science. His early experiences caring for underserved communities continue to shape his research, and he hopes to use real-world evidence to close treatment gaps and ensure that effective therapies reach the patients who need them most. Outside of the hospital, he enjoys long walks, exploring new coffee shops around Boston, and watching football.
Candace Lessey, MD
Medical School: Royal College of Surgeons, Ireland
Residency: Lahey Hospital & Medical Center
Candace grew up in Trinidad and Tobago and earned her medical degree from the Royal College of Surgeons in Ireland. She then worked as an Internal Medicine House Officer in Trinidad and Tobago before moving to the United States to complete her Internal Medicine residency at Lahey Hospital & Medical Center in Massachusetts. Her clinical and research interests include advanced heart failure, cardiac imaging, and women’s cardiovascular health. Outside of work, she enjoys hot yoga, playing tennis, and learning how to cook various vegetarian meals.
Ziad Qadadeh, MD
Medical School: Royal College of Surgeons, Ireland
Residency: Boston Medical Center–Brighton
Ziad is originally from Jordan, and his medical training has taken him across several countries, from medical school at the Royal College of Surgeons in Ireland, to internship training in the United Kingdom, and then to Boston for internal medicine residency at Boston Medical Center–Brighton. Within cardiology, he is especially interested in cardiogenic shock, mechanical circulatory support, and structural heart disease. Outside of work, he enjoys being near the water, whether that means surfing, scuba diving, or spending the day at the beach with friends and family. He is also a big food enthusiast who loves cooking and exploring new restaurant.
Cardiovascular Disease Fellows
1st Year Fellows
Ahmed Mukhtar Ahmed, MD, MPP, MSc
Medical School: Harvard Medical School
Residency: Brigham and Women’s Hospital
Ahmed was born in Mombasa, Kenya and grew up in Rochester, Minnesota. He attended Cornell University, where he earned a BS in Biology. After college, he read for a Master of Public Policy as a Rhodes Scholar at the University of Oxford. He received his MD from Harvard Medical School and completed a residency in Internal Medicine at Brigham and Women's Hospital, where he will return as a Chief Medical Resident. Ahmed is interested in general cardiology and preventing cardiovascular disease. Outside of work, he enjoys running, traveling, and spending time with his family and friends.
Koby Kwabena Amankwah, MD
Medical School: Weill Cornell Medicine
Residency: Brigham and Women’s Hospital
Koby was born in Bergen, Norway, and raised in Calgary, Canada. He earned his undergraduate degrees in Biology and Chemistry from the University of North Carolina at Chapel Hill and his medical degree from Weill Cornell Medicine. He completed his internal medicine residency at Brigham and Women’s Hospital. His clinical interests are in electrophysiology and preventive cardiology, with research interests in cardiovascular outcomes. Outside of the hospital, he enjoys traveling, playing chess, watching the NBA, and staying active through running, weightlifting, and playing pickup soccer.
Victoria Bartlett, MD, MBA
Medical School: Yale School of Medicine
Residency: Brigham and Women’s Hospital
Vicky was born in Boston then grew up in Melbourne, Australia before returning to the US for college. After earning her BA in Neurobiology from Harvard College, she spent a year as a research assistant at Stanford then two years as a consultant at McKinsey. She completed medical school at Yale University and Internal Medicine residency at Brigham & Women's Hospital. She also obtained her MBA from Harvard Business School. Her professional interests include health policy research, innovative care delivery models, and general cardiology. Outside of work, you can find her exploring Jamaica Plain with her husband and spending time at home with her two cats.
Peter Gustave Brodeur, MD, MA
Medical School: Warren Alpert Medical School of Brown University
Residency: Beth Israel Deaconess Medical Center
Peter grew up in a small town in Connecticut before heading to Boston where he played college soccer and earned both a BA and MA in Economics from Boston University. Prior to medical school, he spent two years in Boston working as a consultant in the pharmaceutical industry. He then moved to Providence, RI and completed medical school at Brown followed by residency at BIDMC. His professional interests include electrophysiology and exploring how artificial intelligence can improve the practice of medicine. In his free time, he enjoys golfing, playing guitar, and weightlifting.
Emily Bridget Crawford, MD
Medical School: Chicago Medical School at Rosalind Franklin University of Medicine and Science
Residency: Beth Israel Deaconess Medical Center
Growing up in southeastern Massachusetts, Emily is a true New England native. After moving south to attend Emory University for her undergraduate degree, she headed to the midwest to attend Rosalind Franklin University for medical school. She was elated to return to Boston to complete residency at Beth Israel Deaconess Medial Center, where she will also serve as a chief resident. She looks forward to a career combining her interests in general cardiology, complex hypertension, and medical education. Outside of work, Emily can be found perusing the shelves of the Boston Public Library, cheering on Boston sports teams, or running along the Esplanade.
Andrea Martinez, MD
Medical School: Emory University School of Medicine
Residency: Massachusetts General Hospital
Andrea was born and raised in Caracas, Venezuela. She then attended the Georgia Institute of Technology (Georgia Tech) where she studied biomedical engineering. She then completed her medical degree at Emory University School of Medicine. Andrea then moved to Boston to complete her internal medicine residency at Massachusetts General Hospital. Her professional interests include preventive and general cardiology, as well as cardiovascular imaging. Additionally, she is passionate about health equity, racial disparities research, and working with underserved populations. In her free time, Andrea enjoys exploring Boston, walking around the Esplanade, and she is most likely planning her next trip as she loves traveling.
Anthony Michael Angelo Pettinato, MD, PhD
Medical School: University of Connecticut School of Medicine
Residency: Beth Israel Deaconess Medical Center
Tony was born and raised in Maryland. He studied biology at the University of Maryland before completing a postbac research fellowship in immunology at the NIH. He then earned his MD and PhD from the University of Connecticut, where his research focused on inherited cardiomyopathies and cardiomyocyte regeneration. Tony completed his internal medicine residency at BIDMC and plans to pursue a career as a cardiovascular physician-scientist. His clinical interests include non-invasive cardiology, cardiovascular imaging, and clinical genetics, which he hopes to integrate with his research interests in cardiomyocyte function, sarcomere biology, and genomics. In his free time, he enjoys exploring Boston with his wife and dog.
Jake Ruddy, MD
Medical School: Johns Hopkins University School of Medicine
Residency: Columbia University Irving Medical Center
Jake grew up in Oxford, Pennsylvania and received his bachelor's degree in biomedical engineering at Pennsylvania State University. He obtained his medical degree from Johns Hopkins University School of Medicine and completed residency in internal medicine at Columbia University Irving Medical Center. He worked for one year as a hospitalist at Columbia in the cardiology department prior to moving to Boston.
2nd Year Fellows
Corinne Carland, MD
Medical School: Tufts University School of Medicine
Residency: University of Pennsylvania
Corinne grew up in a small town in Maine before heading to Boston where she earned both a SB in chemical engineering and SM in technology and policy from MIT. She completed medical school at Tufts during which she spent one year doing research through the Sarnoff fellowship. She finished internal medicine residency at the University of Pennsylvania. Her academic interests include clinical informatics, health technologies, and genomics/proteomics. Outside of work, she enjoys running, making & eating ice cream, and reading.
Eden Engel-Rebitzer, MD
Medical School: Perelman School of Medicine at the University of Pennsylvania
Residency: Brigham and Women's Hospital
Eden was born in Boston and grew up between Boston and Cleveland. She studied psychology as an undergraduate at Wesleyan University and then worked at the VA doing clinical and health services research for the National Center for PTSD. After a brief hiatus as a barista, she completed medical school at The University of Pennsylvania and residency at Brigham and Women’s Hospital (where she will be returning to serve as chief resident). She is interested in cardiac critical care and health services research with a particular interest in delivering care effectively to underserved populations. Outside of the hospital, she enjoys exploring Jamaica Plain with her daughter and husband and spending time with lots of local family and friends.
Reza Fakhraei, MD
Medical School: University of Toronto Faculty of Medicine
Residency: Beth Israel Deaconess Medical Center
Reza was born in Isfahan, Iran and raised in Ottawa, Canada. He earned his undergraduate degree in Biomedical Sciences at the University of Ottawa and obtained his medical degree from the University of Toronto. He moved to Boston where he completed his internal medicine residency here at the Beth Israel Deaconess Medical Center. His clinical interests are in critical care cardiology and interventional cardiology with research interests in cardiovascular outcomes. When he’s not in the hospital, he is most likely planning his next trip as he loves to travel. Reza also enjoys spending time with family and friend, cooking, exercising, and watching hockey.
Rachel Gardner, MD
Medical School: Case Western Reserve University School of Medicine
Residency: Brigham and Women's Hospital
Rachel grew up in the suburbs of Boston. She attended Cornell University where she studied political science. After graduating, she spent a year doing health policy work in Washington D.C. Rachel then completed medical school at Case Western Reserve University before returning to Massachusetts for internal medical residency at Brigham and Women’s Hospital. Rachel’s academic interests include medical writing and the effects of health policy on cardiovascular care. Clinically, she is interested in general cardiology and cardiovascular imaging. Outside of work, Rachel enjoys reading, meandering along Jamaica Plain’s Southwest corridor, and exploring coffee shops with her dog and partner.
David Iskhakov, MD
Medical School: Harvard Medical School
Residency: Massachusetts General Hospital
David was born and raised in New York City and attended Hunter College, where he studied biochemistry and American history. After graduating, David spent a year synthesizing targeted cancer diagnostics and therapeutics at Memorial Sloan Kettering. He then moved to Boston and completed his medical degree at Harvard Medical School, followed by an internal medicine residency at Massachusetts General Hospital. David’s clinical interests include heart failure and electrophysiology. Outside of medicine, he enjoys spending time with his fiancé, exploring new restaurants, weightlifting, and traveling to new countries.
David “August” Oddleifson, MD, MBA
Medical School: Yale School of Medicine
Residency: Beth Israel Deaconess Medical Center
August grew up in Cohasset, Massachusetts. He attended Dartmouth College and earned a BA in Anthropology. After college, he worked for several years in public health consulting at John Snow, Inc. in Providence, RI. He attended medical school at Yale University, where he also earned an MBA, and completed his internal medicine residency at BIDMC. His professional interests include preventative and general cardiology, healthcare system reform, and research at the intersection of health policy, value-based care, and health equity. In his free time, he enjoys hiking, skiing, cycling, and landscape photography.
Robert Short, MD
Medical School: University of North Carolina at Chapel Hill School of Medicine
Residency: University of California San Francisco
Rob grew up in Concord, North Carolina. He is a first-generation college graduate and attended the University of North Carolina for undergrad and medical school. He completed his residency and chief residency at the University of California, San Francisco. In residency, his scholarly work focused on medical education and cardiovascular health disparities. As a chief resident at San Francisco General Hospital, he had the chance to continue working with underserved populations and deepen his commitment to teaching. Rob hopes to become a general cardiologist with a focus on medical education. Outside of work, he enjoys playing soccer and traveling with friends.
Thomas Sommers, MD
Medical School: Perelman School of Medicine at the University of Pennsylvania
Residency: Massachusetts General Hospital
Tom grew up in the suburbs of Boston before attending Amherst College, where he studied neuroscience and completed a thesis in electrophysiology using zebrafish as a model organism. He spent two additional years pursuing basic and clinical research in Norway and Boston before attending the University of Pennsylvania for medical school. He subsequently returned to Boston for Internal Medicine residency at Massachusetts General Hospital. Tom’s professional interests lie in electrophysiology and outcomes research, especially involving cardiac devices and interventional techniques. Hailing from the Boston area, he's a passionate Patriots fan and enjoys running on the Esplanade or taking trips around New England when he’s not in the hospital. He considers himself a dog person, but is also a proud father of two adopted cats.
3rd Year Fellows
Elizabeth Balough, MD, PhD
Medical School: Columbia University
Residency: Beth Israel Deaconess Medical Center
Elizabeth is originally from Ohio. After pursuing a career in ballet, she attended Columbia University where she earned her undergraduate degree in philosophy and biology, a PhD in neuroscience, and her medical degree. She then moved to Boston to complete her internal medicine residency at Beth Israel Deaconess Medical Center. Elizabeth is interested in the sympathetic nervous system and the role it plays in the pathogenesis of cardiomyopathies and diseases of the cardiac conduction system with corresponding clinical interests in heart failure and electrophysiology. Outside of work, you can find Elizabeth exploring the Boston Public Library with her daughter or walking her dog around Jamaica Pond.
Katherine Kiernan, MD
Medical School: Georgetown School of Medicine
Residency: Beth Israel Deaconess Medical Center
Kate is originally from the Washington, DC area and attended Williams College, studying Latin Literature with a minor in Neuroscience. Following graduation, she worked for several years as a business strategy consultant with a focus on healthcare before completing her MD at Georgetown School of Medicine. She moved to Boston for Internal Medicine residency here at Beth Israel Deaconess Medical Center and served as a Chief Medical Resident in the 2024-2025 academic year. She is interested in pursuing a career in academic general cardiology / imaging with a focus on clinical operations and medical education. In her spare time, she enjoys baking, traveling, and spending time with her husband and son.
Eméfah Loccoh, MD
Medical School: The Ohio State University
Residency: Brigham and Women’s Hospital
Eméfah was born and raised in Ypsilanti, Michigan. She attended the University of Michigan, Ann Arbor where she studied Biochemistry and Political Science. After graduating, she spent a year in Togo, West Africa as a Fulbright Scholar. She then completed medical school at The Ohio State University and subsequently completed Internal Medicine Residency at Brigham and Women’s Hospital. Eméfah is interested in preventing cardiovascular disease and improving cardiovascular care delivery for underserved populations. Outside of work, she enjoys weightlifting, biking, learning about various cultures through travel, and exploring new restaurants.
Ella Magun, MD
Co-Chief Fellow 2026-2027
Medical School: Columbia University
Residency: New York-Presbyterian/Columbia University
Ella was born and raised in Hastings-on-Hudson, NY and attended college at Columbia University, where she majored in history. She attended the post-baccalaureate pre-medical program at Goucher College before returning to NYC to attend medical school at Columbia. She completed her internal medicine residency and chief resident year at New York-Presbyterian/Columbia. She is interested in cardiac critical care and cardio-obstetrics. Outside of the hospital, you can find Ella spending time with her nieces, planning trips to national parks, and perfecting homemade pizza recipes with her husband.
Sean Meagher, MD
Medical School: Larner College of Medicine at The University of Vermont
Residency: Beth Israel Deaconess Medical Center
Sean grew up in Cape Elizabeth, ME and attended Springfield College studying Exercise Science. Sean worked as a strength and conditioning coach before pursuing medicine and attending Larner College of Medicine at The University of Vermont. He then completed his internal medicine residency at BIDMC. His professional interests are in Sports Cardiology, cardiac rehabilitation, and imaging. Outside of medicine, he enjoys weightlifting, running, skiing, and spending time with his wife, son Declan and dog Athena.
Aarti Rao, MD
Co-Chief Fellow 2026-2027
Medical School: The Icahn School of Medicine at Mount Sinai
Residency: Mount Sinai
Aarti Rao is originally from Chatsworth, California. She completed her undergraduate education in Sociology and Anthropology at Swarthmore College. She then attended The Icahn School of Medicine at Mount Sinai, where she earned her medical degree and completed her residency, serving as Chief Resident. Aarti's interests lie in medical education and health services research, with a particular focus on heart failure and transplant cardiology. In her free time, she loves trying new restaurants and spending time with her husband and two cats.
Clinical Cardiac Electrophysiology Fellows
3rd Year CVD/CCEP Fellows
Khaled Abdelrahman, MD
Medical School: University of Texas at Austin Dell Medical School
Residency: Brigham and Women's Hospital
Khaled was born in Idaho to immigrant parents from Egypt and grew up in Middle Tennessee and South Texas. He studied Bioengineering at the University of Pittsburgh, focusing on medical device engineering, and developed a passion for cardiology while working as an artificial heart program technician at UPMC. He attended medical school at the University of Texas at Austin and completed a research fellowship at the NIH, where he studied chronic inflammation and coronary artery disease via coronary CTA. He completed his internal medicine residency at Brigham and Women's Hospital. Outside of work, he enjoys cycling, watching and playing basketball, hiking, photography, and spending time with family. His academic interests include electrophysiology, cardiac imaging, and medical education.
Bryan Ulrich, MD
Medical School: Emory University School of Medicine
Residency: Massachusetts General Hospital
Bryan grew up in the south suburbs of Chicago, spending summers playing baseball and caddying. After medical school in Atlanta, Bryan came to Boston to pursue IM residency at Mass General Hospital. His professional interests lie in cardiac critical care medicine, biomarker research, and medical education. Outside of the hospital, He tries to stay active with working out and running. He is also passionate about cooking and traveling. Finally, Bryan is on a never-ending quest to find and create the world's best candles. He is excited to be joining the BIDMC family for cardiology fellowship.
4th Year CCEP Fellows
Hassan "Adam" Alhassan, MBChB, MPH
Medical School: Kwame Nkrumah University of Science & Technology
Residency: University of Pittsburgh Medical Center
Fellowship: Beth Israel Deaconess Medical Center
Adam was born in Tamale, Ghana, and completed his medical training at Kwame Nkrumah University of Ghana. After internship, he pursued graduate studies in Quantitative Methods at Harvard T. H. Chan School of Public Health, earning an MPH degree. As a research fellow, he developed a profound interest in clinical and population health research, focusing on cardiovascular outcomes. He relocated to Pittsburgh for his Internal Medicine residency at the University of Pittsburgh. His clinical interests are in General Cardiology/Imaging, with an emphasis on prevention and cardiac amyloid. In his spare time, Adam enjoys taking bike rides, exploring new restaurants, and watching and keeping up with sports, including soccer, basketball, and Formula 1.
Souvik Kumar Das, MBBS, FRACP
Medical School: Sydney Medical School, The University of Sydney
Residency: The Canberra Hospital
Fellowship: The Royal Melbourne Hospital
Souvik was born in Kolkata, India, and moved to Australia at the age of 18. He completed a Bachelor of Medical Science (Honours) at the Australian National University and earned his medical degree from the University of Sydney. He undertook his internal medicine training at Royal North Shore Hospital, followed by cardiology training at The Canberra Hospital.
He is currently a PhD candidate at Royal Melbourne Hospital, affiliated with the University of Melbourne, where his research focuses on novel strategies in mapping and ablating ventricular tachycardia. Outside of medicine, he enjoys spending time at the beach, playing and watching football, chasing sunsets, and reading literature.
Benjamin Freedman, MD
Medical School: Harvard Medical School
Residency: Beth Israel Deaconess Medical Center
Fellowship: Tufts Medical Center
Ben grew up in Durham, North Carolina. He majored in neuroscience at the University of Pennsylvania before moving to Boston for medical school. He completed his medicine residency at Beth Israel Deaconess Medical Center, where he stayed on as a hospitalist for two years while pursuing clinical research in cardiac arrhythmias and catheter ablation. After finishing cardiology fellowship at Tufts Medical Center, he is thrilled to be back at BIDMC for his electrophysiology training. Outside of work, Ben enjoys hiking, sailing on the Charles River, and spending time with his wife and daughter.
Brian Chi-Ho Hsia, MD
Medical School: Albert Einstein College of Medicine
Residency: Icahn School of Medicine at Mount Sinai
Fellowship: NYU Grossman School of Medicine
Brian was born and raised in Windsor, Connecticut. He completed his undergraduate studies at the University of Pennsylvania and earned his medical degree from the Albert Einstein College of Medicine in New York. He then completed his internal medicine residency at the Icahn School of Medicine at Mount Sinai, followed by his fellowship in cardiovascular diseases at the NYU Grossman School of Medicine. He is currently pursuing advanced training in cardiac electrophysiology at Beth Israel Deaconess Medical Center. His research focuses on evaluating novel approaches to improve outcomes in patients with atrial fibrillation. Outside of the hospital, he enjoys spending time with his wife and dog.
Nathan Kong, MD
Medical School: Northwestern University
Residency: University of Chicago
Fellowship: Beth Israel Deaconess Medical Center
Nathan was born in Nanjing, China and raised in Pittsburgh, PA before attending Case Western Reserve University. He completed medical school at Northwestern University followed by Internal Medicine Residency and Chief Residency at the University of Chicago. Nathan’s academic interests lie at the intersection of data science, devices and new technology, and cardiovascular health outcomes. He is excited to work with the Smith Center for Outcomes Research during his fellowship. He is clinically interested in becoming an academic electrophysiologist. He is looking forward to exploring the food and nature scene with his wife all around New England.
5th Year CCEP Fellows
Omeralfaroug Adam, MBBS
Medical School: University of Medical Sciences and Technology
Residency: Detroit Medical Center/Wayne State University
Fellowship: Beth Israel Deaconess Medical Center
Omer was born and raised in Khartoum, Sudan. He completed his medical education and obtained a degree in Research Methodology and Biostatistics from the University of Medical Sciences and Technology (UMST), Khartoum, Sudan. After completing a one-year Internship, he moved to Detroit, MI, where he did his residency at the Detroit Medical Center / Wayne State University program. Omer then continued at Wayne State and served as a Chief Medical Resident in his program. His clinical interests lie in Heart failure and Imaging. Outside of Medicine, he enjoys outdoor activities, biking, playing tennis, learning languages, and local travel.
Margot Yopes, MD
Medical School: Columbia University Vagelos College of Physicians and Surgeons
Residency: New York Presbyterian - Columbia
Fellowship: Beth Israel Deaconess Medical Center
Margot grew up in San Francisco, California. She studied Economics at the University of Chicago and worked in finance and consulting before pursuing her premedical studies at Columbia University and medical school at the Columbia University Vagelos College of Physicians and Surgeons. She completed Internal Medicine residency at New York-Presbyterian Columbia followed by Cardiovascular Disease fellowship at BIDMC. She is currently a second year Electrophysiology fellow at BIDMC with a focus in clinical electrophysiology. Outside of fellowship, you can find Margot running along Boston's many paths, learning how to play tennis at the local courts, and spending time with her daughter and husband.
Interventional Cardiology Fellows
Interventional Cardiology Fellows
Tomohiro Fujisaki, MD, PhD
Medical School: Kumamoto University School of Medicine
Residency: Mount Sinai Morningside and West, Icahn School of Medicine at Mount Sinai
Fellowship: National Cerebral and Cardiovascular Center, Japan
Advanced Fellowship: National Cerebral and Cardiovascular Center, Japan (Cardiac Critical Care)
Tomohiro was born and raised in Japan, where he earned his medical degree and PhD from the School of Medicine at Kumamoto University. He completed his internal medicine residency at Mount Sinai Morningside and West, Icahn School of Medicine at Mount Sinai in New York. He subsequently returned to Japan for his cardiology fellowship at the National Cerebral and Cardiovascular Center in Osaka, and then pursued a further advanced fellowship in Cardiac Critical Care at the same institution. His clinical and research interests include antiplatelet therapy for acute coronary syndrome, anticoagulation therapy for cancer-associated thrombosis, lipid-lowering therapy, and complex percutaneous coronary intervention. Outside of medicine, Tomohiro enjoys running, music, and watching baseball, and is currently navigating the wonderfully chaotic adventure of raising a 4-year-old daughter and a 2-year-old son alongside his wife, which may rival the intensity of any fellowship.
Joseph Kim, MD
Medical School: Case Western Reserve University SOM
Residency: Brigham and Women’s Hospital
Fellowship: Beth Israel Deaconess Medical Center
Joseph was born in Seoul, South Korea and raised in Southern California before moving to the East Coast to attend Amherst College. He completed medical school at Case Western Reserve University School of Medicine before moving back to Massachusetts for internal medical residency at Brigham and Women’s Hospital. Joe’s academic interests lie in clinical trial design and cardiovascular outcomes research. Clinically, he plans to pursue subspecialty training in interventional cardiology and hopes to become an academic interventionalist. In his spare time, he enjoys playing tennis, reading, and relishing the success of LA sports teams from afar.
Usama Nasir, MBBCh
Medical School: C.M.H. College of Medicine and Dentistry, Pakistan
Residency: Drexel University/Reading Hospital
Fellowship: Lahey Hospital and Medical Center
Usama was born in Lahore, Pakistan, and raised between Lahore and Vancouver, Canada. He earned his medical degree from CMH Lahore Medical College and completed his internal medicine residency at Drexel University College of Medicine/Reading Hospital, followed by fellowship training at Lahey Hospital & Medical Center, where he served as Chief Fellow. His clinical interests focus on the management of ischemic heart disease, with a particular emphasis on complex coronary artery disease and advanced catheter-based interventions. He is committed to delivering high-quality, evidence-based cardiovascular care and is passionate about advancing the field of interventional cardiology through innovation, education, and patient-centered care. Outside of his professional pursuits, Usama enjoys traveling, spending time with family, and playing golf.
3rd Year CVD/IC Fellows
Abhinay Ramachandran, MD, MS
Medical School: University of Pennsylvania
Residency: NYU Grossman School of Medicine
Abhi grew up in Cleveland, Ohio and went to the University of Pennsylvania for college (majoring in bioengineering), medical school, and a Master of Science in Translational Research. During his master’s he became further interested in medical devices after interning at Intuitive. He then completed his Internal Medicine residency and Chief Residency at the NYU Grossman School of Medicine. He plans to have an academic career at the intersection of heart failure and interventional cardiology incorporating clinical research and medical education. Outside work, Abhi loves all sports, and you can find him playing tennis and exploring restaurants with his fiancé.
Non-ACGME Accredited Fellowships
Advanced Cardiac Imaging Fellows
Advanced Cardiac Imaging Fellows
Bandar Alyami, MD, MSc
Medical School: Najran University College of Medicine, Saudi Arabia
Residency: West Virginia University
Fellowship: West Virginia University
Bandar was born and raised in Saudi Arabia. He earned his medical degree with honors from Najran University College of Medicine, then completed a research fellowship in cardiovascular medicine at the University of California, San Diego. He subsequently completed his Internal Medicine residency and Cardiovascular Disease fellowship at West Virginia University, where he also pursued a Master’s degree in Clinical and Translational Science. His research interests include preventive clinical cardiology, and outcomes-based cardiovascular research. He is joining Beth Israel Deaconess Medical Center for advanced fellowship training in multimodality cardiovascular imaging. Outside of work, he enjoys spending quality time with his family and friends. He also enjoys playing pickleball, cooking, and outdoor activities.
Christina Lalani, MD
Medical School: Stanford University School of Medicine
Residency: University of California, San Francisco
Fellowship: Beth Israel Deaconess Medical Center
Christina grew up in Scottsdale, Arizona and attended MIT for college where she studied biology and public policy. After completing medical school at Stanford, she matched at UCSF for her internal medicine residency where she worked on research focused on the post-market surveillance of medical devices. She served as the chief fellow for the 2024-2025 academic year and is pursuing a T32 research fellowship working with Dr. Robert Yeh at the Smith Center for Outcomes Research in Cardiology. She is concurrently completing a Master of Science in Clinical Epidemiology at the Harvard T.H. Chan School of Public Health. Her clinical interest is in general cardiology.
Advanced Cardiovascular Disease/Research Fellows
Advanced Cardiovascular Disease/Research Fellows
Nicolas Isaza, MD
EP Research
Medical School: Pontificia Universidad Javeriana Bogota Facultad de Medicina, Colombia
Residency: Beth Israel Deaconess Medical Center
Nicolas was born and raised in Bogota, Colombia. He completed medical school at Pontificia Universidad Javeriana in his hometown. After graduation he spent a year as a research fellow in cardiovascular imaging at the Cleveland Clinic in Ohio studying the role of strain imaging as a prognostic marker. He then moved to Boston for Internal Medicine residency where he has worked at the Smith Center for Outcomes Research in Cardiology with, Dr. Dhruv Kazi in studying the cost-effectiveness of emerging therapies and technologies in the cardiovascular medicine field. Outside of the hospital he enjoys trying new restaurants and cooking with his girlfriend, as well as watching soccer and Formula 1.
Prihatha Narasimmaraj, MD
T32
Medical School: University of California, San Francisco
Residency: Brigham & Women's Hospital
Prihatha grew up in the San Francisco Bay Area but has been hopping between the West and East Coast for several years, beginning with her undergraduate years at Princeton studying public policy. She returned to the Bay Area for medical school at UCSF, before coming back out East for her internal medicine residency at Brigham and Women’s Hospital. She is currently pursuing a T32 research fellowship under the mentorship of Dr. Rishi Wadhera at the Smith Center for Outcomes Research and a Master’s in Science in Clinical Epidemiology at the Harvard T.H. Chan School of Public Health. She also served as co-chief fellow for the 2025-2026 academic year. She plans to combine her research interests in health policy and cardiovascular outcomes with a clinical career in advanced heart failure/transplant. Outside of fellowship, you can find Prihatha sharing her baking experiments with her husband and friends, hiking, and playing tennis/pickleball.
Advanced Echocardiography Fellows
Advanced Echocardiography Fellows
Nawaf Alfuraih, MBBS
Medical School: King Saud University
Residency: Case Western Reserve University
Fellowship: Tufts Medical Center
Nawaf was born and raised in Saudi Arabia. He graduated from King Saud University and completed Internal Medicine residency training in Saudi, before moving to Cleveland where he completed Internal Medicine residency at Case Western Reserve University-University Hospitals. Following residency, he completed his Cardiology fellowship at Tufts Medical Center. His clinical interest is in multimodality advanced cardiovascular imaging. Outside work, he enjoys spending time with his wife traveling, hiking and home cooking.
Structural Heart Interventional Fellows
Structural Heart Interventional Fellows
Colin Martz, MD
Medical School: Medical University of South Carolina College of Medicine
Residency: Brigham & Women's Hospital / Boston Children’s Hospital
Fellowship: Washington University in St. Louis
Colin grew up in Albuquerque, NM and completed an undergraduate degree in neuroscience at Duke University. He remained at Duke for medical school as well as basketball viewership purposes. He then moved to Boston for residency in internal medicine and pediatrics at Brigham and Women’s Hospital and Boston Children’s Hospital where he served as a chief resident in his final year. He grew interested in congenital heart disease but was drawn to acquired heart diseases including coronary and valvular disease and ultimately completed fellowship in general cardiology at Washington University in St. Louis. He plans to develop a career as an academic interventional and structural cardiologist with expertise in adult congenital interventions. Outside of the hospital he enjoys spending time with his wife and son, hiking and watching basketball.
Ryan Wallace, MD
Medical School: Virginia Commonwealth University, School of Medicine
Residency: Johns Hopkins Hospital
Fellowship: MedStar Georgetown University/Washington Hospital Center
Ryan was born in Singapore and grew up in Maryland where he completed his undergraduate degree at University of Maryland, prior to obtaining his medical degree at Virginia Commonwealth University. He completed his internal medicine residency training at Johns Hopkins Hospital and then his general cardiology fellowship at the MedStar Georgetown University/Washington Hospital Center. His research interests include coronary physiology and appraisal of novel transcatheter technologies. He enjoys trying new restaurants, watching Maryland basketball, photography, hiking and traveling with his wife.
Vascular Medicine Fellows
Vascular Medicine Fellows
Valentine Chisom Nriagu, MD, MPH
Medical School: Nnamdi Azikiwe University, College of Health Sciences, Nigeria
Residency: Maimonides Medical Center
Valentine was born in Nigeria. He earned his medical degree from Nnamdi Azikiwe University, College of Health Sciences before pursuing graduate training in Epidemiology and Biostatistics at East Tennessee State University, where he obtained his MPH. During that time, he served as a research intern at the Center for Cardiovascular Risk Research, investigating cardiometabolic disease outcomes in rural Appalachian communities. He completed his Internal Medicine residency at Maimonides Medical Center in Brooklyn, New York. His clinical and research interests include vascular medicine, outcomes, and cardiovascular epidemiology. Outside the hospital, he enjoys exploring new cuisines, photography, and attending classical music concerts.