Peter EllsM.D.
Gastroenterology·East Setauket, NY
Peter Ells, M.D. is a Gastroenterology provider in East Setauket, NY affiliated with 1 ambulatory surgery center in NY, as of July 2026.
- NPI1336174143
- Registered2006
- Centers1
- StateNY
- Class of1974
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.
Peter Ells at a glance
- Provider
- Peter Ells
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- East Setauket, NY
- Medical school
- Tufts University School of Medicine
- Graduated
- 1974
- NPI registered
- 2006
- NPI
- 1336174143
- 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 Peter Ells practice?
Peter Ells, M.D. is based in East Setauket, NY and is affiliated with 1 ambulatory surgery center: St Peters Ambulatory Surgery Center LLC in Albany, NY. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Peter Ells's NPI number?
Peter Ells's National Provider Identifier (NPI) is 1336174143, registered in 2006. Specialty on record: Gastroenterology; credential M.D.
Where did Peter Ells go to medical school?
Peter Ells, M.D. attended Tufts University School of Medicine, graduating in 1974.
How many Gastroenterology providers in New York work at ambulatory surgery centers?
267 Gastroenterology surgeons and proceduralists in New York are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Peter Ells among them. The New York Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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