Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Joseph Ahn, MD

Individual provider Gastroenterology Physician · NPI 1497770416

Dr. Joseph Ahn, MD is a Gastroenterology in Portland, Oregon. Graduated from Northwestern University Feinberg Medical School in 2000, 26 years ago. Practices with Endeavor Health Medical Group, a 3,348-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
26
Trained at
Northwestern University Feinberg Medical School
Licensed in
OR
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone: (503) 494-4373
Fax: (503) 418-4189
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hepatology Physician (primary) Taxonomy 207RI0008X · Licence MD157537 (OR)
Gastroenterology Physician Taxonomy 207RG0100X · Licence MD157537 (OR)

Record details

NPI number1497770416
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 12, 2006
Last updated in NPPESMay 15, 2012
Mailing address3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2000 (26 years in practice)
Group practice Endeavor Health Medical Group — 3348 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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