Individual provider · Type 1 NPI

Douglas Martin Weissman, MD

Gastroenterology Physician · Pittsburgh, PA

NPI number 1801800289 Active

Practice location

1307 Federal St Ste B100
Pittsburgh, PA 15212-4761

Call (412) 359-8900 Map

Fax (412) 359-8977

Mailing address

2 Deepwood Ct
Old Westbury, NY 11568-1006

Other practice locations

  • 111 S Grant Ave, Columbus, OH 43215-4701 · (614) 566-9550
  • 1701 N Senate Blvd, Indianapolis, IN 46202-1239 · (317) 962-2000
  • 11104 Parkview Circle Dr Ste 310, Fort Wayne, IN 46845-1733 · (260) 266-5230
  • 1505 W Sherman Ave, Vineland, NJ 08360-7059 · (856) 691-1129

Specialties and licenses

TaxonomyCodeLicense
Gastroenterology Physician 207RG0100X3872 (WI)
Gastroenterology Physician 207RG0100XMD479317 (PA)
Gastroenterology Physician 207RG0100X25MA04832600 (NJ)
Gastroenterology Physician 207RG0100X35.129369 (OH)
Internal Medicine Physician 207R00000X01077964A (IN)
Gastroenterology Physician Primary 207RG0100X036144304 (IL)
Gastroenterology Physician 207RG0100X01077964A (IN)

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.

39 other providers at this address

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About NPI 1801800289

Douglas Martin Weissman, MD's National Provider Identifier is 1801800289, issued on Jul 28, 2006. The primary taxonomy on file is Gastroenterology Physician (207RG0100X), and the practice location is in Pittsburgh, PA. The record was last updated on Dec 3, 2025.