Department of Medicine

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Department Chair

Dr. Anthony Hollenberg

Anthony Hollenberg, M.D.

Chair, Weill Department of Medicine

Dr. Anthony Hollenberg is the Sanford I. Weill Chair of Medicine in the Joan and Sanford I. Weill Department of Medicine at Weill Cornell Medicine and the Physician-in-Chief at NewYork-Presbyterian Hospital. Dr. Hollenberg received his M.D. from the University of Calgary in Canada in 1986. He completed his Internal Medicine residency in 1989 and was Chief Resident in Medicine from 1990 to 1991 at the Beth Israel Hospital. Dr. Hollenberg then completed a fellowship in Endocrinology, Diabetes, and Metabolism at Massachusetts General Hospital in 1993 and was recruited back to Beth Israel to start his laboratory. From 2011 until his recruitment to Weill Cornell Medicine and NewYork-Presbyterian Hospital, Dr. Hollenberg was Chief of the Division of Endocrinology, Diabetes and Metabolism, at Beth Israel Deaconess Medical Center and Director of Clinical and Translational Research Training Programs at Harvard Catalyst and Harvard Medical School where he was also a Professor of Medicine. Dr. Hollenberg’s research focuses on the hormonal regulation of metabolism, with a particular emphasis on the role of thyroid hormone. His work has important ramifications for the regulation of body weight and metabolism. Additionally, The Hollenberg Lab focuses on understanding thyroid gland development and the possibilities for regenerative medicine.

Vice Chairs

Dr. John Leonard

John Leonard, M.D.

Executive Vice Chair, Weill Department of Medicine
Richard T. Silver Distinguished Professor of Hematology and Medical Oncology
Associate Dean (Clinical Research), Weill Cornell Medicine

Dr. John P. Leonard is the Executive Vice Chair of the Weill Department of Medicine, a role in which he is advancing key educational and academic activities as well as other critical initiatives for the department. A nationally and internationally recognized authority on hematological malignancies, Dr. Leonard serves as the department’s Vice Chair of Clinical Research, Chief of the Lymphoma Service, and Associate Director for Clinical Research of the Weill Cornell Cancer Center. He is also the Associate Dean of Clinical Research at WCMC and leads the Joint Clinical Trials Office (JCTO) at WCM and NYP. The Richard T. Silver Distinguished Professor of Hematology and Medical Oncology, Dr. Leonard has pioneered the development of novel therapeutics in lymphoma, and he serves as one of the leaders of the national lymphoma clinical trials effort as leader of the Lymphoma Committee for the Alliance for Clinical Trials in Oncology (a part of the National Clinical Trials Network of the National Cancer Institute). Dr. Leonard has spearheaded many innovative initiatives in the Weill Department of Medicine to facilitate cutting-edge patient-oriented research.

Dr. Orli Etingin

Orli Etingin, M.D.

Vice Chair for Faculty
Lisa and Sanford B. Ehrenkranz Professor in Women's Health

Dr. Orli Etingin is the founder and Medical Director of the Iris Cantor Women's Health Center at NewYork-Presbyterian/Weill Cornell Medical Center, a multidisciplinary group practice sponsored by the Departments of Dermatology, Medicine, Obstetrics and Gynecology, Radiology, Surgery and Urology. She is the Lisa and Sanford B. Ehrenkranz Professor of Clinical Medicine at Weill Cornell Medical College and serves as Vice Chair for Faculty with the Weill Cornell Department of Medicine. Dr. Etingin's clinical expertise is in internal medicine and coagulation disorders, such as blood clotting in pregnancy. Dr. Etingin received her undergraduate degree from Johns Hopkins University. After receiving her M.D. from Albert Einstein College of Medicine in New York, she completed residency training in Internal Medicine, subspecialty training in Hematology-Oncology and a Chief Residency at New York Hospital - Cornell Medical Center. As the recipient of an NIH Clinical Investigator Award from 1987 to 1992, she conducted basic scientific research on thrombosis in vascular cells, leading to numerous publications in the journals CellBiochemistry, and Journal of Clinical Investigation. Dr. Etingin is listed in Who's WhoCastle Connolly's Best Doctors Guides and US News Top Doctors. She was the associate editor of the Textbook of Women's Health, a comprehensive manual for physicians in the field. A frequently invited speaker at women's health symposia, she has served as Moderator of the annual Women's Health Symposium at NewYork-Presbyterian Hospital since 1998 and as Moderator of the annual Women and the Brain Conference since 2006. Dr. Etingin is a member of the American Medical Women's Association and the American Medical Association. She is the editor of two nationally distributed newsletters, Women's Health Advisor and Women's Nutrition Connection, and a contributor to Everyday Health.

Dr. Steven Lipkin

Steven Lipkin, M.D., Ph.D.

Vice Chair for Research
Gladys and Roland Harriman Professor of Medicine

Steven M. Lipkin, M.D., Ph.D., Professor of Medicine, Division of Gastroenterology and Hepatology, is the Vice Chair for Basic and Translational Research. Dr. Lipkin works with departmental and divisional leadership to enhance and foster the research activities of our faculty and trainees. A nationally and internationally regarded leader in the field of adult genetics, he was recently elected as a Member of the American Society of Clinical Investigation. His research focuses on genetic testing for hereditary cancer disorders, including the Lynch Syndrome, Familial Adenomatous Polyposis, and Hereditary Pancreatic Cancer, among others. He is an authority on cancer genetic syndromes, with a particular emphasis on hereditary gastrointestinal cancer syndromes, and authored MAPP-MMR, a bioinformatic program that is used to interpret whether Lynch syndrome missense variants are deleterious mutations or benign polymorphisms. Dr. Lipkin has more than 60 published papers in the top peer-reviewed journals and is the author of The Genome Generation: Tales From the Front Lines of Genetic Medicine, published in 2016 by Beacon Press. Dr. Lipkin has practiced at NewYork-Presbyterian Hospital/Weill Cornell Medical College since 2009. He trained in Internal Medicine at Duke University and in Medical Genetics at the National Human Genome Research Institute, where he performed post-doctoral work in the laboratory of Francis Collins, now Director of the NIH.

Dr. Susana Morales

Susana R. Morales, M.D.

Vice Chair for Diversity
Associate Professor of Clinical Medicine

Dr. Susana Morales serves as the Vice Chair for Diversity in the Weill Department of Medicine. An Associate Professor of Clinical Medicine, Dr. Morales joined the Weill Cornell Medicine faculty in 1998 and is the Associate Director of the Housestaff Training Program in Internal Medicine. She obtained her M.D. from the Columbia University College of Physicians and Surgeons, and completed residency training in Internal Medicine at the Presbyterian Hospital of the City of New York. In the Division of General Medicine at Columbia Presbyterian Medical Center, Dr. Morales had served as Assistant Division Director for Education and Training. She has served as a member of the governing Council of the Society of General Internal Medicine (SGIM) and on the Advisory Boards of the Commonwealth Fund's "Bettering the Health of Minority Americans" program and the National Hispanic Medical Association. She is also a board member of both the United Hospital Fund and the Latino Commission on AIDS and has served on the NYS Council on Graduate Medical Education. Her honors include: J. James Smith Memorial Award (presented annually by the Weill Cornell house staff), National Medical Fellowships Community Service Award, and "Senior List" (selected by four graduating Weill Cornell Medical College classes). In 2013, Dr. Morales received the Pioneers in Diversity/Bruce Laine Ballard M.D. Award for Excellence in Mentoring, presented by the Office of Faculty Diversity in Medicine and Science, Weill Cornell Medical College. In 2015, she received the prestigious Elnora M. Rhodes SGIM Service Award.

Dr. Robert Brown

Robert S. Brown, Jr., M.D., M.P.H.

Vice Chair for Mentorship and Academic Development
Vice Chair of Transitions of Care
Gladys and Roland Harriman Professor of Medicine

Dr. Robert S. Brown, Jr. is the Gladys and Roland Harriman Professor of Medicine and Clinical Chief of the Division of Gastroenterology and Hepatology, as well as Vice Chair of Transitions of Care for the Department of Medicine. Dr. Brown is also the Director of the Center for Liver Disease and Transplantation at NewYork-Presbyterian Hospital. He has been part of the liver transplant effort at Weill Cornell part-time since 1999 and joined the faculty full-time in 2015. The liver transplant program gained Medicare approval in its first year and is on pace to start living donor liver transplantation and to reach 50 transplants per year.  Dr. Brown is heavily involved in clinical research. He received his B.A. from Harvard College, M.D. from New York University, and his M.P.H. from the Graduate School of Public Health, University of California, Berkeley. He completed his internship in medicine at Beth Israel Hospital, Boston, and a fellowship in gastroenterology and hepatology at the University of California, San Francisco. An internationally recognized expert in liver disease and liver transplantation, he has co-authored more than 150 peer-reviewed articles mostly dedicated to viral hepatitis and liver transplantation. He is an Associate Editor for Hepatology and Gastroenterology and Hepatology and published a book, Common Liver Diseases and Transplantation: An Algorithmic Approach to Work-up and Management. Dr. Brown is the recipient of a Young Investigator Award from the American Society of Transplant Physicians, the Senior Attending Teacher Award from Columbia University Medical Center, and the American Liver Foundation New York Chapter's Physician of the Year.


Dr. Judy Tung

Judy Tung, M.D.

Chair of Medicine at NYP/Lower Manhattan Hospital
Associate Professor of Clinical Medicine
Section Chief, Ambulatory Medicine

Dr. Judy Tung is the Chair of the Department of Medicine at the NewYork-Presbyterian/Lower Manhattan Hospital (NYP/LMH). She is also Section Chief of Ambulatory Medicine in the Division of General Internal Medicine. Dr. Tung obtained her M.D. from the Albert Einstein College of Medicine of Yeshiva University in 1997 and completed her internal medicine residency training at the University of California, San Francisco in 2000. She served for one year as a Chief Resident in Primary Care Internal Medicine at New York University before joining the faculty at NewYork-Presbyterian Hospital/Weill Cornell Medical College in 2001. Dr. Tung served as the Director of Weill Cornell Internal Medicine Associates (WCIMA) and as Interim Chief of the Division of Internal Medicine from 2009-2016. She has also held many other leadership positions at Weill Cornell, including Director of the Primary Care Residency, Associate Director of the Internal Medicine Residency, and Associate Chair of Educational Affairs. As a respected educator, Dr. Tung has received a J. James Smith Teacher of the Year Award, a Primary Care Teaching Excellence Award, and she is on the Dean's List for teaching excellence. A leading expert in general internal medicine, Dr. Tung has spoken nationally on innovative models of primary care, including the Hospital Medical Home and the ambulatory teaching practice. Additionally, she is a champion for faculty development and co-teaches the Leadership in Academic Medicine Program (LAMP). Dr. Tung's life's work is the cultivation of individuals to their highest potential.

Dr. Kirana Gudi

Kirana Gudi, M.D.

Vice Chair of Education
Assistant Professor of Medicine

Dr. Gudi serves as Vice Chair of Education in the Weill Department of Medicine. As Vice Chair, she oversees a broad range of training programs and works closely with the department to advance its educational mission in furthering faculty development. Dr. Gudi is an Assistant Professor of Medicine in the Division of Pulmonary and Critical Care Medicine and is the Program Director of the department’s residency training program in internal medicine. She received her medical training on the Weill Cornell campus beginning with an M.D. from Weill Cornell Medical College. She served as a Chief Resident and completed her residency training, as well as a fellowship in Pulmonary and Critical Care Medicine, at NewYork-Presbyterian Hospital/Weill Cornell Medical Center. She maintains an active outpatient pulmonary practice, attends on the Inpatient Pulmonary Consult and the ICU Consult services, and is a passionate advocate of medicine and medical education.

Dr. Jennifer Lee

Jennifer Lee, M.D.

Vice Chair for Quality and Patient Safety
Associate Professor of Clinical Medicine

Dr. Jennifer I. Lee serves as Vice Chair for Quality and Patient Safety (QPS) in the Weill Department of Medicine. An Associate Professor of Clinical Medicine and a hospitalist in the Division of General Internal Medicine, Dr. Lee’s focus is the education of students, residents and faculty in quality improvement and safety science to ensure high quality, high value care delivery for patients in both the inpatient and outpatient settings. Her collaborations with the NewYork-Presbyterian Hospital's Division of Quality and Patient Safety, Weill Cornell Medicine Physician Organization QPS, and Weill Department of Medicine aim to align improvement efforts across the institution. She designed and co-chairs the Quality Improvement/Patient Safety (QIPS) committee and spearheaded the launch of an advanced QI faculty development program in an effort to develop a pathway for promotion for junior faculty through academic achievement in QI.

Board certified in internal medicine and pediatrics, Dr. Lee earned her M.D. degree from the State University of New York Buffalo School of Medicine and Biomedical Sciences, and completed her combined Internal Medicine and Pediatrics Residency at Mount Sinai Medical Center in New York City. She has completed training through Greater New York Hospital Association/United Hospital Fund’s Clinical Quality Fellowship Program and Institute for Healthcare Improvement’s Improvement Advisor professional development program among others. Her research interests include reducing readmissions, improving multidisciplinary care transitions and high value care. She has shared her work in QI education and readmissions at outside institutions on expert panels and grand rounds. She was awarded the AAMC Learning Health Systems Champion Research Award in 2014 and featured as the Research on Care Community’s Member spotlight. Dr. Lee's work has been published in the Journal of Hospital Medicine and Academic Medicine, and she co-authored a white paper on the role of the hospitalist in care transitions with the New York Chapter of the American College of Physicians.

Dr. Joseph Cooke

Joseph T. Cooke, M.D.

Chairman of Medicine at NYP/Queens
Vice Chair, Weill Department of Medicine
Associate Professor of Clinical Medicine

Joseph T. Cooke, M.D. serves as the Chairman of the Department of Medicine at NewYork-Presbyterian/Queens and as Vice Chairman of the Weill Department of Medicine. Beginning with internship and residency, Dr. Cooke has had numerous roles in his 30 years at NewYork-Presbyterian Hospital/Weill Cornell Medicine. Before joining NewYork-Presbyterian/Queens, Dr. Cooke, an Associate Professor of Clinical Medicine and Public Health, was the department's Chief of the Division of Pulmonary and Critical Care Medicine, Chairman of the General Faculty Council, and Chief Quality and Patient Safety Officer for the NewYork-Presbyterian Hospital/Weill Cornell Medical Center. Board certified in internal medicine, pulmonary disease, and critical care medicine, Dr. Cooke is a fellow of the American College of Chest Physicians and the American College of Physicians. He earned an undergraduate degree in Biology with honors from New York University and obtained his M.D. from SUNY Downstate. He and Dr. Vlad Kvetan founded and co-chaired the Critical Care Leadership Network of GNYHA (2006-2009). He continues to serve on the Medical Advisory Board for the New York Organ Donation Network, and has previously served on the Institute of Medicine's subcommittee on organ donation after cardiac death. In addition to earning numerous teaching awards at Weill Cornell, Dr. Cooke has been honored with the NYPH Physician of the Year Award, the New York Weill Cornell Center Alumni Council Award for Outstanding Service, and the Lorraine Tredge Award from HHC for leadership in quality and patient safety. At the 2008 HRSA National Learning Congress, he was named one of 11 national champions for his work in organ donation for NewYork-Presbyterian Hospital/Weill Cornell Medical Center.


Dr. Stephen Peterson

Stephen J. Peterson, M.D., M.A.C.P.

Chairman of Medicine at NYP/Brooklyn Methodist Hospital
Vice Chair, Weill Department of Medicine
Professor of Clinical Medicine

Stephen J. Peterson, M.D., M.A.C.P., has been Chair of the Department of Medicine at NewYork-Presbyterian/Brooklyn Methodist Hospital and as a Professor of Clinical Medicine at Weill Cornell Medical College since August of 2013. He is also the Assistant Dean of Weill Cornell Medical College for the NYPBMH Campus. Dr. Peterson is certified by the American Board of Internal Medicine, and has a wealth of experience in the field of medicine. He is particularly renowned, however, for his basic science research in the field of obesity. He has over 120 publications in peer-reviewed journals and has been awarded the coveted titles of Master of the American College of Physicians, Fellow of the American Heart Association, and Fellow of the New York Academy of Medicine. He is a former President of the New York Chapter of the American College of Physicians. Dr. Peterson is dedicated to teaching and has numerous teaching awards from four institutions over 35 years. He has been named 2017 Top Doctor in Brooklyn, New York.

Thomas McGrath

Thomas A. McGrath, M.B.A.

Chief Administrative Officer

Thomas A. McGrath, M.B.A., serves as the Chief Administrative Officer for the Weill Department of Medicine. Mr. McGrath directs administrative and business activities within the department, including finance, accounting, research administration, clinical operations, capital planning, ITS, academic appointments and education. Before joining Weill Cornell Medicine, Mr. McGrath served as Chief Operating Officer at the University of Miami Health System, Director of Finance and Administration for the Department of Medicine at Stanford University, and Vice President and UCH Officer of the Comer Children's Hospital at The University of Chicago. He holds a B.A. and an M.B.A. from the University of Illinois.

Contact Information

Mailing Address

NewYork-Presbyterian Hospital/
Weill Cornell Medical Center
Weill Department of Medicine
525 East 68th Street, Box 130
New York, NY 10065

Office of the Chairman

530 East 70th Street, M-522
New York, NY 10021
Tel: (212) 746-4720
Fax: (212) 746-8793

Administration Office

1320 York Avenue, HT-621
New York, NY 10021
Tel: (212) 746-4007
Fax: (646) 962-0215

Residency Office

530 East 70th Street, M-507
New York, NY 10021
Tel: (212) 746-4749
Fax: (212) 746-6692