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Department of Medicine Department of Medicine
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Department of Medicine Leadership

Chair's Office

Role Name
Chair Zea Borok, M.D.
Administrative Vice Chair Amir Schangali

Vice Chairs

Role Name
Executive Vice Chair Jess Mandel, M.D.
Executive Vice Chair - Faculty Affairs Francis Gabbai, M.D.
Culture and Community in Academia Luis Castellanos, M.D., MPH
Education Dena Rifkin, M.D.
Clinical Affairs Joachim H. Ix, M.D., M.A.S.
Research Atul Malhotra, M.D.
Faculty Development & Mentoring Sara Gianella Weibel, M.D.

Division Chiefs

Division Name
Allergy & Immunology Taylor Doherty, M.D. 
Biomedical Informatics Amy Sitapati, M.D. (interim)
Bone Marrow Transplantation Ayad Hamdan, M.D. (interim)
Cardiovascular Medicine Ehtisham Mahmud, M.D., FACC, FSCAI
Endocrinology & Metabolism Nicholas J. Webster, Ph.D. 
Gina Woods, M.D.
Gastroenterology/Hepatology Rohit Loomba, M.D.
General Internal Medicine Ottar Lunde, M.D. 
Geriatrics, Gerontology & Palliative Care Alison Moore, M.D. 
Genomics & Precision Medicine Lisa Madlensky, Ph.D., CGC (interim)
Hematology-Oncology Kathryn Gold, M.D.
Hospital Medicine Pedro Ramos, M.D. (interim)
Infectious Diseases & Global Public Health Timothy (Tim) Wilkin, M.D., M.P.H.
Nephrology-Hypertension Joachim H. Ix, M.D., MAS
Pulmonary, Critical Care, Sleep Medicine, & Physiology Jess Mandel, M.D.
Regenerative Medicine ​Catriona Jamieson, Ph.D., M.D.
Rheumatology, Autoimmunity, & Inflammation

Monica Guma, M.D., Ph.D. 

 Wellness Directors

Division Name
Allergy & Immunology Christine James, M.D., M.S.
Biomedical Informatics Tiffany Amariuta, Ph.D.
Bone Marrow Transplantation Tiffany Tanaka, M.D.
Cardiovascular Medicine Anya Narezkina, M.D.
Endocrinology & Metabolism Vala Hamidi, M.D.
Gastroenterology/Hepatology Brigid Boland, M.D.
General Internal Medicine Arthi Balu, M.D.
Geriatrics, Gerontology & Palliative Care Anjoulie Pujji, D.O.
Heidi Yeung, M.D.
Genomics & Precision Medicine Tiffany Amariuta, Ph.D.
Hematology-Oncology Michael Choi, M.D.
Hospital Medicine Sandeep Segar, M.D.
Infectious Diseases & Global Public Health Maile Young Karris, M.D.
Nephrology-Hypertension Natalie Sweiss, M.D., FASN
Pulmonary, Critical Care, Sleep Medicine, & Physiology Amy Bellinghause-Stewart, M.D.
Regenerative Medicine TBD
Rheumatology, Autoimmunity, & Inflammation Abha Singh, M.D.
Puja Patel, D.O.