Tomasz NiewiarowskiM.D.
Gastroenterology·Bethlehem, PA
Tomasz Niewiarowski, M.D. is a Gastroenterology provider in Bethlehem, PA affiliated with 2 ambulatory surgery centers in PA, as of July 2026.
- NPI1073624441
- Registered2006
- Centers2
- StatePA
- Class of1982
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.
Tomasz Niewiarowski at a glance
- Provider
- Tomasz Niewiarowski
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Bethlehem, PA
- Medical school graduation
- 1982
- NPI registered
- 2006
- NPI
- 1073624441
- 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 Tomasz Niewiarowski practice?
Tomasz Niewiarowski, M.D. is based in Bethlehem, PA and is affiliated with 2 ambulatory surgery centers: Valley Ambulatory Surgical Center in Bethlehem, PA and Bethlehem Endoscopy Center LLC in Bethlehem, PA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Tomasz Niewiarowski's NPI number?
Tomasz Niewiarowski's National Provider Identifier (NPI) is 1073624441, registered in 2006. Specialty on record: Gastroenterology; credential M.D.
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, Tomasz Niewiarowski among them. The Pennsylvania Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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