General Surgery · Oregon City, OR
John OholleranMD
General Surgery provider in Oregon City, OR affiliated with ambulatory surgery centers.
John Oholleran at a glance
- Provider
- John Oholleran
- Credential
- MD
- Specialty
- General Surgery
- Location
- Oregon City, OR
- NPI registered
- 2006
- NPI
- 1912007220
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
Reference profile compiled from authoritative provider records. 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.