Joseph AhnM.D.
Joseph Ahn, M.D. is a Gastroenterology provider in Portland, OR affiliated with 1 ambulatory surgery center in OR, as of July 2026.
- NPI1497770416
- Registered2006
- Centers1
- StateOR
- Class of2000
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.
Joseph Ahn at a glance
- Provider
- Joseph Ahn
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Portland, OR
- Medical school
- Northwestern University Feinberg Medical School
- Graduated
- 2000
- NPI registered
- 2006
- NPI
- 1497770416
- 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 Joseph Ahn practice?
Joseph Ahn, M.D. is based in Portland, OR and is affiliated with 1 ambulatory surgery center: Northwest Gastroenterology Clinic LLC in Portland, OR. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Joseph Ahn's NPI number?
Joseph Ahn's National Provider Identifier (NPI) is 1497770416, registered in 2006. Specialty on record: Gastroenterology; credential M.D.
Where did Joseph Ahn go to medical school?
Joseph Ahn, M.D. attended Northwestern University Feinberg Medical School, graduating in 2000.
How many Gastroenterology providers in Oregon work at ambulatory surgery centers?
82 Gastroenterology surgeons and proceduralists in Oregon are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Joseph Ahn among them. The Oregon Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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