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

Aaron Andrew Brown, DO

Individual provider Internal Medicine Physician · NPI 1831532100

Aaron Andrew Brown, DO is an Internal Medicine in Astoria, Oregon. Qualified in 2013, 13 years ago. Practices with Columbia Lutheran Charities, a 110-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
13
Licensed in
OR
In the registry since
2013
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

2158 Exchange St Ste 107
Astoria, OR 97103-3307
Phone: (503) 338-4675
Fax: (503) 338-4676
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence DO176874 (OR)

Record details

NPI number1831532100
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 16, 2013
Last updated in NPPESFebruary 23, 2022
Certification dateFebruary 23, 2022
Mailing address2111 Exchange St, Astoria, OR 97103-3329

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Columbia Lutheran Charities — 110 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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