Dr. Igor Kletsman, MD is a board certified Internist in New York, NY. Learn more about Dr. Kletsman, practice locations, insurances accepted, and read reviews on Everyday Health-CARE. ... Dr. Igor Kletsman, MD. Internist, Family Doctor. Call (212) 988-2924. Accepting patients. Dr. Igor Kletsman, MD (212) 988-2924. About Insurance Other ....