Thomas BrennanMD
Obstetrics & Gynecology·Portland, OR
Thomas Brennan, MD is an Obstetrics & Gynecology provider in Portland, OR, as of July 2026.
- NPI1831539634
- Registered2013
- Class of2015
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Thomas Brennan at a glance
- Provider
- Thomas Brennan
- Credential
- MD
- Specialty
- Obstetrics/Gynecology
- Procedures
- Obstetrics & Gynecology CPT codes
- Location
- Portland, OR
- Medical school
- Oregon Health Sciences University School of Medicine
- Graduated
- 2015
- NPI registered
- 2013
- NPI
- 1831539634
- 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 Thomas Brennan practice?
Thomas Brennan, MD is based in Portland, OR. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Thomas Brennan's NPI number?
Thomas Brennan's National Provider Identifier (NPI) is 1831539634, registered in 2013. Specialty on record: Obstetrics/Gynecology; credential MD.
Where did Thomas Brennan go to medical school?
Thomas Brennan, MD attended Oregon Health Sciences University School of Medicine, graduating in 2015.
How many Obstetrics & Gynecology providers in Oregon work at ambulatory surgery centers?
148 Obstetrics & Gynecology surgeons and proceduralists in Oregon are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Thomas Brennan among them. The Oregon Obstetrics & Gynecology directory lists each one by city with credential, NPI, and center affiliations.
Pilot Analysis
Get the complete Thomas Brennan analysis
Tell us where to send it. Our team will prepare an analysis of Thomas Brennan covering case volumes, referral patterns, payer mix, and how specialty peers compare, and email it to you within 5-10 business days. Need it faster? Book a demo.