Dr. Christopher Haas

Associate Program Director

Dr. Christopher Haas is an Associate Program Director, Assistant Professor of Clinical Medicine, and Research Director for the MedStar Health Internal Medicine Program. He grew up in New York City and attended Boston College for his undergraduate studies where he took his first foray into the research world at Tufts University Sackler School of Graduate Biomedical Sciences. Following completion of his B.S. in Biology, he did research at Columbia University Medical Center. He subsequently completed a dual M.D. / Ph.D. degree at Drexel University College of Medicine and transitioned to Internal Medicine Residency at the Johns Hopkins Hospital's Osler Internal Medicine Residency Program.

Following completion of his residency he was hired as Academic Faculty/ Academic Hospitalist at MedStar and ultimately transitioned to full-time faculty as of July 2020. He currently attends on clinical service at MedStar Franklin Square and MedStar Harbor Hospital, working directly with house staff. He is extensively involved in resident research and is currently the Director of Research for the residency program. He loves high-value, evidence based medicine, and clinical teaching. As a former Oslerian, he strives for his residents to understand the pathophysiology behind each disease and consider each laboratory and diagnostic study in the care of patients on the medicine ward.

When not in the hospital he can usually be found with his wife, daughter, and dogs picnicking in Sherwood Gardens (a little known Baltimore gem) or hiking.

Heather Hartman-Hall, PhD

Associate Program Director
Director of Residency Wellbeing and Behavioral Health Education for the MedStar Health Internal Medicine residency program in Baltimore

Heather Hartman-Hall, PhD is an Associate Program Director and the Director of Residency Wellbeing and Behavioral Health Education for the MedStar Health Internal Medicine residency program in Baltimore. She serves as the Chair of the MedStar Health GME Wellbeing Committee and directs the systemwide Wellness Champions program. Dr. Hartman-Hall earned her PhD in clinical psychology from American University in Washington, D.C., and completed the APA-accredited psychology internship at Springfield Hospital Center. Her areas of expertise include occupational stress, psychological trauma, mood disorders, motivational interviewing, and mindfulness. She precepts primary care behavioral health clinics at MUMH and MFSMC.  Dr. Hartman-Hall is active in research as well as mentoring resident and student scholarly work about well-being in healthcare as well as behavioral health topics/quality improvement projects. 

Dr. Adrien Janvier

Associate Program Director

Dr. Adrien Janvier is an Associate Program Director and a native of Brooklyn, New York.  He graduated medical and graduate school from New York University.  He went on to complete internal medicine residency at Johns Hopkins Bayview Medical Center, followed by a nephrology fellowship at the Johns Hopkins Hospital. He initially joined MedStar Franklin Square Medical Center as a hospitalist, where his natural affinity for teaching showed through early. He transitioned to a full time faculty member, where he is one of our most sought after educators. He enjoys teaching residents clinical medicine and has an interest in quality improvement and high value care.  He has worked on several projects aimed at reducing unnecessary inpatient AM lab draws and improving medication history-taking and reconciliation.  He is also actively looking to incorporate point-of-care ultrasound into daily patient evaluations to enhance bedside diagnostic capabilities. 

Dr. Janvier holds a faculty appointment at Georgetown University as an Assistant Clinical Professor. He is the Director of the Inpatient Care Track, guiding our residents who have a strong interest in the inpatient care setting. He serves as an advisor for many residents and has coauthored papers with several. An active citizen of the Medstar community, he serves on the Transfusion Practice Committee, MHIM Clinical Competency Committee, Risk Management Committee, Medical Executive Committee, and the MHIM Workgroup for Racial Justice.   

Dr. Ruchi Prasad

Director of Recruitment

Dr. Ruchi Prasad was born in Canada and attended medical school at University College Dublin in Ireland. She then moved to Philadelphia, PA to complete her Internal Medicine residency training at the nation’s first hospital, Pennsylvania Hospital of the University of Pennsylvania.

Enticed by beautiful Baltimore, Dr. Prasad served as Chief resident at Union Memorial Hospital in 2015 and became full time faculty in 2016. She currently serves as the physician leader for the Intermediate Care Unit and teaches outpatient internal medicine at the Adult Medicine Center. She is passionate about teaching residents how to provide high quality, compassionate and efficient care. She is our Director of Recruitment, is a strong advocate for the residents, and has an interest in mentorship and career counseling.

Outside of medicine, she loves cooking, baking, and particularly clinic potlucks. She is looking forward to going back to traveling the world with her two sons and husband!


Dr. Dave Weisman

Associate Program Director

Dr. Dave Weisman is an associate program director and is a graduate of the Chicago College of Osteopathic Medicine. He completed his internal medicine residency training at the University of Illinois at Chicago and subsequently became a chief resident. He remained as faculty member at the University of Illinois and Westside VA Medical Center until 2002 when he moved to Baltimore. Since that time, he has worked at MedStar Good Samaritan Hospital and became a teaching faculty member in 2003.

Dr. Weisman's scholarly work focuses on improving residency training in evidence-based medicine, residents' engagement in quality improvement activities that involves experiential learning, and developing a point of care ultrasound curriculum focused on enhancing resident clinical assessments. At MedStar Good Samaritan Hospital, he is a member of the Medicine Quality Improvement Committee; a Member of the Board Directors, a former President of the Medical Staff, and the Medical Director of the Good Health Center, a comprehensive outpatient facility focused on chronic disease management and an affordable resource for the surrounding community.

In addition, he has a special interest in teaching students and residents about interpretation of the medical literature. He oversees an evidence-based medicine elective rotation where students and residents hone their skills in reading and interpreting the medical literature and he runs the monthly Journal Clubs. He has helped to develop a resident research curriculum and has published several projects with residents. He is a triple recipient of the Golden Apple teaching Award.

He is a Baltimore native and likes to give back to the community by serving as an active primary care physician with over 500 patients in his practice. Most of all, he enjoys teaching residents and students the intricacies and challenges of general internal medicine. Dave spends most of his free time with his wife and chasing after their two boys.

Dr. Radhika Vij

Associate Program Director

Dr. Radhika Vij is an Associate Program Director. She was born and raised in India and moved to Baltimore, Maryland to do her training in Internal Medicine at Greater Baltimore Medical Center where she also served as Chief Resident. She subsequently joined the faculty at MedStar Health Internal Medicine Residency Program where, in addition to caring for patients, she has been deeply committed to medical education. She is the Director of the Internal Medicine Primary Care Track & is at the forefront of ambulatory education in internal medicine. Her interests include chronic disease management, preventive care and training the next generation of physicians to become patient-centered, humanistic, and compassionate clinicians.

She also has a special interest in international health and serves as the Director of International Travel Health Services at MedStar Union Memorial Hospital.

Outside of work she enjoys music, reading, traveling and spending time with her family & friends.

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Dr. Eskandar “Alex” Yazaji

Associate Program Director

Dr. Eskandar "Alex" Yazaji is an Associate Program Director, Associate Medical Director, Vice Chairman of Medicine and Chief Quality & Safety Officer at MedStar Union Memorial Hospital & MedStar Good Samaritan Hospital. He holds a faculty appointment at Georgetown University as an Assistant Professor. His special interests include patient safety and practicing high quality medicine.

Alex received his medical degree from Damascus University and went on to residency training in Internal Medicine at MedStar Union Memorial Hospital followed by a fellowship in Geriatric Medicine at the University of Maryland Medical Center.

In 2004, he worked in Delaware as a hospitalist medical director at Bayhealth until returning to Baltimore to join the teaching faculty at Union Memorial in 2008. Since then, Dr. Yazaji has contributed greatly to the educational program and to the hospital. He is well loved by the residents who enjoy his quick wit and easy sense of humor. They know their learning curve is very high when they round with Dr. Yazaji.

Alex thinks of himself as a simple guy; enjoying things like getting together with his family and friends, working out, watching movies, traveling, driving cars, eating out and playing cards. He is definitely a geek, always trying out new technology and giving Dr. Detterline a hard time about having an iPhone!

Program administrators

Our program would simply not function without the ingenuity and dedication of our residency coordinators. From ordering lab coats to planning our graduation celebration, these ladies get it done. But, don't be fooled, they do so much more for our program than office work. They are our residents' advocates, and are always there to bring a friendly, positive vibe to our departments.

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    Alicia Taylor

  • Jasmine
    Jasmine Baker

  • Terry
    Terry Kus

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    Joyce Cohen

  • Stethescope icon
    Stephanie Smith

Additional information

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