Jonathan S Kirshner, MD

Dr. David Kauvar, Assistant Professor of Medicine at Columbia University Medical Center, is Board Certified in Internal Medicine and Gastroenterology.Dr. Kauvar obtained his Medical Degree from the University of Colorado and completed his Internship and Residency in Internal Medicine at the University of California-San Diego. His Fellowships in Gastroenterology were completed at the University of Colorado, Denver and Beth Israel Hospital in Boston. Dr. Kauvar holds memberships in the American Society of Gastroenterology, and American of Gastrointestinal Motility.

Joshua L. Hartman, MD, is a gastroenterologist at NewYork-Presbyterian Medical Group Westchester and an assistant professor of medicine at Columbia University Medical Center. He performs surgeries at NewYork-Presbyterian Lawrence Hospital. Dr. Hartman see patients for general gastroenterology conditions as well as liver disease. He earned his medical degree from New York Medical College. He served his internship and residency at Icahn School of Medicine at Mount Sinai Hospital and his gastroenterology fellowship at Northwell Health. He is a frequent lecturer and has published research in various medical journals. Dr. Hartman is a member of the American College of Gastroenterology and the New York Society for Gastrointestinal Endoscopy.

Dr. Rohit Gupta is an Assistant Professor in the Division of Digestive and Liver Diseases at Columbia University Medical. He graduated from the Touro New York College of Osteopathic Medicine in 2015. Completed his Residency at the Woodhull Hospital where he became the Chief Resident. He then completed his Fellowship in Gastroenterology and Hepatobiliary Disease at the Metropolitan Hospital in 2021 as a Chief Fellow as well. He has also taught GI Fellows at both Woodhull and Metropolitan Hospital. Dr. Gupta is board certified by the American Board of Internal Medicine since 2018. He has been recognized by the American College of Gastroenterology by becoming a SCOPY Awards recipient. He is an active member of the American College of Physicians. He specializes in Gastrointestinal Endoscopy. Dr. Gupta is accepting new patients at his Scarsdale and Mt. Vernon offices.