Gregory PiechM.D., M.P.H.
Gastroenterology·Ann Arbor, MI
Gregory Piech, M.D., M.P.H. is a Gastroenterology provider in Ann Arbor, MI affiliated with 2 ambulatory surgery centers in PA, as of July 2026.
- NPI1447645247
- Registered2015
- Centers2
- StatePA
- Class of2015
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.
Gregory Piech at a glance
- Provider
- Gregory Piech
- Credential
- M.D., M.P.H.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Ann Arbor, MI
- Medical school
- Drexel University College of Medicine
- Graduated
- 2015
- NPI registered
- 2015
- NPI
- 1447645247
- 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 Gregory Piech practice?
Gregory Piech, M.D., M.P.H. is based in Ann Arbor, MI and is affiliated with 2 ambulatory surgery centers: Wills Surgical Center Stadium Campus in Philadelphia, PA and Nazareth Physician Services Dba Nazareth Health Endoscopy Center in Philadelphia, PA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Gregory Piech's NPI number?
Gregory Piech's National Provider Identifier (NPI) is 1447645247, registered in 2015. Specialty on record: Gastroenterology; credential M.D., M.P.H.
Where did Gregory Piech go to medical school?
Gregory Piech, M.D., M.P.H. attended Drexel University College of Medicine, graduating in 2015.
How many Gastroenterology providers in Michigan work at ambulatory surgery centers?
93 Gastroenterology surgeons and proceduralists in Michigan are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Gregory Piech among them. The Michigan Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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