Individual provider · Type 1 NPI

Michael Harris Nathanson, MD

Gastroenterology Physician · New Haven, CT

NPI number 1437132230 Active

Practice location

15 York St
New Haven, CT 06510-3221

Call (203) 785-4138 Map

Fax (203) 737-1345

Other practice locations

  • 4805 NW 2nd Ave, Boca Raton, FL 33431-4141 · (561) 961-0208

Specialties and licenses

TaxonomyCodeLicense
Gastroenterology Physician Primary 207RG0100X029365 (CT)
Gastroenterology Physician 207RG0100XME158547 (FL)

Gastroenterology Physician: An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

68 other providers at this address

Other gastroenterology physician providers in New Haven

See all in New Haven →

About NPI 1437132230

Michael Harris Nathanson, MD's National Provider Identifier is 1437132230, issued on Nov 25, 2005. The primary taxonomy on file is Gastroenterology Physician (207RG0100X), and the practice location is in New Haven, CT. The record was last updated on Apr 2, 2026.