Douglas WeissmanMD
Gastroenterology·Pittsburgh, PA
Douglas Weissman, MD is a Gastroenterology provider in Pittsburgh, PA affiliated with 1 ambulatory surgery center in IN, as of July 2026.
- NPI1801800289
- Registered2006
- Centers1
- StateIN
- Class of1985
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
Education
Education on record as of August 2026.
Douglas Weissman at a glance
- Provider
- Douglas Weissman
- Credential
- MD
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Pittsburgh, PA
- Medical school
- Howard University College of Medicine
- Graduated
- 1985
- NPI registered
- 2006
- NPI
- 1801800289
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Douglas Weissman practice?
Douglas Weissman, MD is based in Pittsburgh, PA and is affiliated with 1 ambulatory surgery center: Glen Lehman Endoscopy Suite in Indianapolis, IN. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Douglas Weissman's NPI number?
Douglas Weissman's National Provider Identifier (NPI) is 1801800289, registered in 2006. Specialty on record: Gastroenterology; credential MD.
Where did Douglas Weissman go to medical school?
Douglas Weissman, MD attended Howard University College of Medicine, graduating in 1985.
How many Gastroenterology providers in Pennsylvania work at ambulatory surgery centers?
186 Gastroenterology surgeons and proceduralists in Pennsylvania are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Douglas Weissman among them. The Pennsylvania Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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