Manhattan Gastroenterology

About Manhattan Gastroenterology

Manhattan Gastroenterology is a Joint Commission–accredited independent gastroenterology practice in New York, NY, located at 55 W. 17th St, Suite 102, near Union Square, Flatiron, Chelsea, Greenwich Village, and Gramercy. Our team provides advanced digestive health evaluation and diagnostic services for patients throughout Manhattan and New York City.

The team is led by Dr. Shawn Khodadadian, MD, a board-certified gastro specialist affiliated with Lenox Hill Hospital and NYU Langone Medical Center, along with a group of board-certified, fellowship-trained gastroenterologists. The physicians diagnose and treat conditions affecting the esophagus, stomach, small intestine, colon, rectum, liver, gallbladder, and pancreas. The GI team includes male and female specialists recognized by Castle Connolly Top Doctors, New York Super Doctors, and leading medical referral networks.

At the Union Square gastro center, patients receive evidence-based care supported by advanced diagnostic and endoscopic technology, including high-definition endoscopy, Fujifilm ELUXEO imaging, Blue Light Imaging, Linked Color Imaging, Quintron breath testing, ZEISS high-resolution anoscopy technology, and strict endoscope reprocessing systems to support safety, accuracy, and comfort.

Services include:

Colon cancer screening

Diagnostic colonoscopy

Upper endoscopy

Small bowel capsule endoscopy

Breath testing for lactose intolerance, fructose intolerance, and small intestinal bacterial overgrowth (SIBO)

Anal Pap smear evaluation

High-resolution anoscopy

Infrared coagulation for hemorrhoid treatment

Also, learn more about the real causes of rectal bleeding.

The team evaluates and manages a wide range of digestive conditions, including GERD, IBS, abdominal pain, rectal bleeding, inflammatory bowel disease (Crohn’s disease and ulcerative colitis), H. pylori infection, celiac disease, constipation issues, diarrhea, gas, bloating, gastritis, Barrett’s esophagus, peptic ulcers, and colon polyps.

Patients choose Manhattan Gastroenterology for clear communication, timely evaluation, and coordinated follow-up care. The team focuses on identifying the cause of symptoms, explaining findings in straightforward language, and guiding patients through each step of diagnosis and treatment.

Trusted by thousands of patients across New York City, our practice serves Union Square, Flatiron, Chelsea, Greenwich Village, Gramercy, Midtown Manhattan, Downtown Manhattan, and surrounding neighborhoods.

Working Hours:

Monday: 8:00 am - 7:00 pm

Tuesday: 8:00 am - 7:00 pm

Wednesday: 8:00 am - 7:00 pm

Thursday: 8:00 am - 7:00 pm

Friday: 8:00 am - 5:00 pm

Saturday: CLOSED

Sunday: CLOSED

Payment: cash, check, credit cards.

Manhattan Gastroenterology

55 W. 17th St, Suite 102

New York, NY 10011