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

Dr. Wooin Ahn, MD

Individual provider Internal Medicine Physician · NPI 1366608267

Dr. Wooin Ahn, MD is a Nephrology in Portland, Oregon. Qualified in 1998, 28 years ago. Practices with University Professional Services, a 1,704-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts, New York and Oregon.

Years since qualifying
28
Licensed in
MA, NY, OR
In the registry since
2008
Specialties on file
5
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) 494-3442
Fax: (503) 494-5330
Show map & directions

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

Additional practice locations (1)

  • 161 Fort Washington Ave, New York, NY 10032-3729 — (212) 305-0320

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence MD213267 (OR)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD213267 (OR)
Internal Medicine Physician Taxonomy 207R00000X · Licence 249946 (MA)
Nephrology Physician Taxonomy 207RN0300X · Licence 249946 (MA)
Nephrology Physician Taxonomy 207RN0300X · Licence 270920 (NY)

Record details

NPI number1366608267
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 31, 2008
Last updated in NPPESJune 30, 2023
Certification dateJune 30, 2023
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 specialtyNEPHROLOGY
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice University Professional Services — 1704 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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