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

Aaron Steuart Cosman, FNP

Individual provider Family Nurse Practitioner · NPI 1538558242

Aaron Steuart Cosman, FNP is a Nurse Practitioner in Portland, Oregon. Qualified in 2014, 12 years ago. Practices with The Oregon Clinic, PC, a 352-clinician group and accepts Medicare assignment. Licensed in Oregon and Washington.

Years since qualifying
12
Licensed in
OR, WA
In the registry since
2015
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

1111 NE 99th Ave Ste 301
Portland, OR 97220-9442
Phone: (503) 963-2707
Fax: (503) 963-2802
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 201408265NP-PP (OR)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence AP60522742 (WA)

Record details

NPI number1538558242
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorNo
NPI enumeratedJanuary 19, 2015
Last updated in NPPESDecember 8, 2025
Certification dateDecember 8, 2025
Mailing address541 Ne 20th Ave Ste 225, Portland, OR 97232-2895

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice The Oregon Clinic, Pc — 352 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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