Dr. Katherine Mark is a Internal Medicine,General Physician and Geriatrician in Hell's Kitchen, New York and has an experience of 19 years in these fields. Dr. Katherine Mark practices at Mount Sinai West in Hell's Kitchen, New York and Mt. Sinai Hospital, Samuels Clinic in Hell's Kitchen, New York. She completed Medical School from St. Georges University School of Medicine in 2007,Fellowship - Geriatric Medicine (Internal Medicine) from Suny Upstate Medical University in 2011 and Residency in Internal Medicine from Suny Upstate Medical University in 2010. Some of the services provided by the doctor are: Gastroesophageal Reflux Disease (GERD),Phlebitis and Thrombophlebitis,Hemorrhoids,Hypertension and Fever Treatment etc.