Garry S. Ritter is a surgical Physician Assistant with more than 30 years of experience specializing in critical care surgery. He practices at Long Island Jewish Medical Center, part of Northwell Health, in New Hyde Park, New York.

John N. Mackey, PA, is a physician assistant with more than 21 years of experience serving patients in Plainfield, Connecticut. He provides comprehensive medical care under physician supervision, addressing a wide range of health concerns for patients throughout the region.