Aaron Andrew Brown, D.O
Internal Medicine Physician · Astoria, OR
Aaron Andrew Brown, D.O is an internal medicine physician with a practice address in Astoria, Oregon, and NPI 1831532100, issued on Apr 16, 2013. Check the license (Oregon DO176874, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Aaron Andrew Brown
- Credential
- D.O
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DO176874 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2158 Exchange St Ste 107, Astoria, OR 97103
- Phone
- (503) 338-4675
- Enumerated
- Apr 16, 2013
- Record last updated
- Feb 23, 2022
- Fax
- (503) 338-4676
- Medicare enrollment
- Enrolled (PECOS I20160712000155); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 2158 Exchange St Ste 107
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn GeorgePhysician Assistant1285255059
- Thomas HaiglerPhysician Assistant1427232875
Verify Aaron Andrew Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO176874Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average internal medicine physician in 2024
9,663 Medicare Part D claims for 548 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 627 claims were for opioids.
Most prescribed
- Atorvastatin Calcium596 claims
- Gabapentin318 claims
- Amlodipine Besylate314 claims
- Levothyroxine Sodium301 claims
- Lisinopril269 claims
- Omeprazole256 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Columbia Lutheran CharitiesAstoria, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Andrew Brown among 2,116 internal medicine physician records in Oregon
Aaron Andrew Brown, D.O is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 70% of them.
- NPI issued2013 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2013 · median 2008 among the 1,232 with a school on file
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Oregon
There are 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Astoria → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sangkun Park, MDAstoria, OR 971031477622991
- Aaron Sasaki, MDAstoria, OR 971031740372648
- Mary Ann Turner, M.D.Cornelius, OR 971131508805789
- Alia Paquette, D.O.Dundee, OR 971151154612851
- Jean Korchinski, MDForest Grove, OR 971161851308035
- Robert Seward, MDForest Grove, OR 971161922207364
- Thuyet Tran, M.D.Damascus, OR 970891063626497
- Katherine Fisher, DOHappy Valley, OR 970861568576940
Common questions
What is Aaron Andrew Brown, D.O's NPI number?
Aaron Andrew Brown, D.O's National Provider Identifier (NPI) is 1831532100, issued on Apr 16, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Andrew Brown, D.O located?
The NPPES record lists a practice address at 2158 Exchange St Ste 107, Astoria, OR, 97103. Phone: (503) 338-4675. Providers update this record themselves, so call before visiting.
How can I verify Aaron Andrew Brown, D.O's license?
NPPES lists Oregon license number DO176874, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aaron Andrew Brown, D.O prescribe under Medicare Part D?
In 2024, Aaron Andrew Brown, D.O had 9,663 Medicare Part D claims for 548 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Aaron Andrew Brown, D.O's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.