John PhayMD
Surgical Oncology·Columbus, OH
John Phay, MD is a Surgical Oncology provider in Columbus, OH affiliated with 1 ambulatory surgery center in OH, as of July 2026.
- NPI1790869899
- Registered2006
- Centers1
- StateOH
- Class of1993
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.
John Phay at a glance
- Provider
- John Phay
- Credential
- MD
- Specialty
- Surgical Oncology
- Location
- Columbus, OH
- Medical school
- University of California, San Francisco School of Medicine
- Graduated
- 1993
- NPI registered
- 2006
- NPI
- 1790869899
- 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 John Phay practice?
John Phay, MD is based in Columbus, OH and is affiliated with 1 ambulatory surgery center: Knightsbridge Surgery Center in Columbus, OH. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Phay's NPI number?
John Phay's National Provider Identifier (NPI) is 1790869899, registered in 2006. Specialty on record: Surgical Oncology; credential MD.
Where did John Phay go to medical school?
John Phay, MD attended University of California, San Francisco School of Medicine, graduating in 1993.
How many Surgical Oncology providers in Ohio work at ambulatory surgery centers?
19 Surgical Oncology surgeons and proceduralists in Ohio are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Phay among them. The Ohio Surgical Oncology directory lists each one by city with credential, NPI, and center affiliations.
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