James WentzienM.D.
James Wentzien, M.D. is an Ophthalmology provider in Portland, OR affiliated with 1 ambulatory surgery center in OR, as of July 2026.
- NPI1629171954
- Registered2006
- Centers1
- StateOR
- Class of1990
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.
James Wentzien at a glance
- Provider
- James Wentzien
- Credential
- M.D.
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Portland, OR
- Medical school
- University of Iowa, Rj & L Carver College of Medicine
- Graduated
- 1990
- NPI registered
- 2006
- NPI
- 1629171954
- 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 James Wentzien practice?
James Wentzien, M.D. is based in Portland, OR and is affiliated with 1 ambulatory surgery center: Bend Surgery Center LLC Dba Bend Surgery Center in Bend, OR. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is James Wentzien's NPI number?
James Wentzien's National Provider Identifier (NPI) is 1629171954, registered in 2006. Specialty on record: Ophthalmology; credential M.D.
Where did James Wentzien go to medical school?
James Wentzien, M.D. attended University of Iowa, Rj & L Carver College of Medicine, graduating in 1990.
How many Ophthalmology providers in Oregon work at ambulatory surgery centers?
147 Ophthalmology surgeons and proceduralists in Oregon are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, James Wentzien among them. The Oregon Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
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