Alexandra Armstrong, M.D.
Internal Medicine Physician · Warrenton, OR
Alexandra Armstrong, M.D. is an internal medicine physician with a practice address in Warrenton, Oregon, and NPI 1629242730, issued on Apr 18, 2008. Check the license (Oregon MD182545, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alexandra Armstrong
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD182545 OR
036128943 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1639 SE Ensign LN Ste B102, Warrenton, OR 97146
- Phone
- (503) 338-4500
- Enumerated
- Apr 18, 2008
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20170825000147); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Verify Alexandra Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD182545Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Columbia Lutheran CharitiesWarrenton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexandra Armstrong among 2,116 internal medicine physician records in Oregon
Alexandra Armstrong, M.D. 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 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2008 · 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 Warrenton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Calvin Hill, M.D.Tillamook, OR 971411639165665
- Nancy Inforzato, M.D.Tillamook, OR 971411043362841
- Curtis Nerness, MDTillamook, OR 971411023073947
- Rex Parsons, MDTillamook, OR 971411790762250
- Michael Johnson, M.D.Sherwood, OR 971401649299173
- Pamela Turner, M.D.Sherwood, OR 971401427009919
- Humza Maqbool, MDSeaside, OR 971381003334368
- Mark Scurrah, MDSeaside, OR 971381063090942
Common questions
What is Alexandra Armstrong, M.D.'s NPI number?
Alexandra Armstrong, M.D.'s National Provider Identifier (NPI) is 1629242730, issued on Apr 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra Armstrong, M.D. located?
The NPPES record lists a practice address at 1639 SE Ensign LN Ste B102, Warrenton, OR, 97146. Phone: (503) 338-4500. Providers update this record themselves, so call before visiting.
How can I verify Alexandra Armstrong, M.D.'s license?
NPPES lists Oregon license number MD182545, 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.
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.