Hours Mon-Thur 8 a.m - 7 p.m, Fri - 8 a.m - 5p.m Payment Methods All cc, cash, checks. Description Looking for a best in class colonoscopy doctor in NYC? A colonoscopy is an endoscopic examination performed by the NYC gastroenterologist, Dr. Shawn Khodadadian in Midtown Manhattan and Upper East Side, of the large bowel and is considered the gold standard of bowel cancer screening methods. Dr. Khodadadian guides a colonoscope (a long, thin, flexible tube containing a tiny video camera) from the anus to the end of the colon (cecum) and... read full review »