David O'BrienMD
Colorectal Surgery·Portland, OR
David O'Brien, MD is a Colorectal Surgery provider in Portland, OR, as of July 2026.
- NPI1669440350
- Registered2006
- Class of1997
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
David O'Brien at a glance
- Provider
- David O'Brien
- Credential
- MD
- Specialty
- Colorectal Surgery (Proctology)
- Location
- Portland, OR
- Medical school
- Emory University School of Medicine
- Graduated
- 1997
- NPI registered
- 2006
- NPI
- 1669440350
- 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 David O'Brien practice?
David O'Brien, MD is based in Portland, OR. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is David O'Brien's NPI number?
David O'Brien's National Provider Identifier (NPI) is 1669440350, registered in 2006. Specialty on record: Colorectal Surgery (Proctology); credential MD.
Where did David O'Brien go to medical school?
David O'Brien, MD attended Emory University School of Medicine, graduating in 1997.
How many Colorectal Surgery providers in Oregon work at ambulatory surgery centers?
8 Colorectal Surgery surgeons and proceduralists in Oregon are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, David O'Brien among them. The Oregon Colorectal Surgery directory lists each one by city with credential, NPI, and center affiliations.
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