Dr. David Portnoy is a Internal Medicine and General Physician in Madison, New York and has an experience of 13 years in these fields. Dr. David Portnoy practices at Mount Sinai Medical Center in Madison, New York. He completed Medical School from State University of New York Downstate Health Sciences University College of Medicine in 2013,Medical School from Downstate Medical Center College of Medicine in 2013 and Residency - ID from University of Virginia Medical Center, University of Virginia Medical Center in 2016. He is a member of American College of Physicians and 2013 Resident Member. Some of the services provided by the doctor are: Gout,Emphysema,Common Cold,Sleep Apnea and Dermatitis Due to Substances Taken Internally etc.