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Internal Medicine

Westchester Medical Center

The Division of Internal Medicine provides the foundation upon which many of the other patient care services at Westchester Medical Center rely. Consistent leadership during the past 15 years has been responsible for the division’s expansion from four general internists to the current staff of 20 full- and part-time physicians. The hospitalist group is an integral part of the new computerized, handheld sign-out system recently implemented in the department, which provides a powerful tool for communication of key patient information from one clinician to another.

Members are very active in clinical research and coordinate many research projects. Areas of research interest include technological solutions to patient care, quality improvement and patient safety, epidemiology, decision analysis, healthcare research, screening for and early detection of disease, ethics and innovative methods of clinical teaching.

The division operates a group practice providing outpatient services in new offices located at 19 Bradhurst Ave., Hawthorne, where physicians are able to provide patient services just a few minutes from Westchester Medical Center.

Advances in medical therapy for cystic fibrosis allow patients to live longer, healthier lives. More than 10 percent of newly diagnosed patients are more than 18 years of age. Physicians are dedicated to ensuring there is a smooth transition of care of young patients to the adult care setting. The center provides state-of-the-art medications and treatments that continue to improve the longevity and quality of the adult CF patient’s life.


Carol Karmen, M.D., FACP, Managing Partner, Faculty Practice
Arif Mumtaz, M.D., FACP, Hospitalist Division Chief
Caren F. Behar, M.D., FACP, Director, Adult Cystic Fibrosis Center
Gail Bailey-Wallace, M.D.
Kathleen Kelly Burak, M.D.
Maria Capparelli, M.D.
Christine Carosella, M.D., FACP
Etta Eskridge, M.D., FACP
Leanne Forman, M.D., FACP
Kaushang Gandhi, M.D.
Melissa Gennarelli, M.D.
Randy Goldberg, M.D., FACP
Gary Guo, M.D., Ph.D.
Kausik Kar, M.D., FACP
Bernard Katz, M.D.
Stephen Moshman, M.D., FACP
Christopher Nabors, M.D., Ph.D.
Raymond Philips, M.D.
Tushar Shah, M.D., FACP
Gary W. Stallings, M.D., M.P.H., FACP
Eric Wold, M.D., M.S.
Shick Yu, M.D., FACP

Internal Medicine:

Internal medicine is the medical specialty dealing with the prevention, diagnosis, and treatment of adult diseases. Specialists in internal medicine are commonly called internists. In modern practice, most internists are subspecialists: that is, they generally limit their medical practice to problems of one organ system or to one particular area of medical knowledge.

Internists have a lengthy clinical and scientific training in their areas of medical interest and have special expertise in the use of prescription drugs or other medical therapies.