John M. Rex, M.D.
Internal Medicine Physician · Beaverton, OR
John M. Rex, M.D. is an internal medicine physician with a practice address in Beaverton, Oregon, and NPI 1669697959, issued on Apr 13, 2007. Check the license (Oregon MD13543, as entered in NPPES) on the Oregon Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John M. Rex
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD13543 OR
Self-reported in NPPES; status is on the state search - Practice location
- 8721 SW 184TH Dr, Beaverton, OR 97007
- Phone
- (503) 931-4795
- Enumerated
- Apr 13, 2007
- Record last updated
- Jun 8, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Verify John M. Rex in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD13543Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John M. Rex among 2,116 internal medicine physician records in Oregon
John M. Rex, 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 not. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2010 · 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).
46 internal medicine physician records list a practice address in Beaverton
They are 46 of the 3,604 NPPES records with a practice address in Beaverton, and 2,116 internal medicine physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,116 in Oregon → Every provider in Beaverton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Helen Henry, MDBeaverton, OR 970071073606919
- David Larson, MDBeaverton, OR 970071992798599
- Mark Bates, MDBeaverton, OR 970061558453696
- Shuang Chen, MDBeaverton, OR 970061477202224
- Sarah Dunham, MDBeaverton, OR 970081043384159
- Lawrence Elzinga, MDBeaverton, OR 970061518026962
- Marni Foley, MDBeaverton, OR 970061467544502
- James Iwaniec, MDHillsboro, OR 970061356427215
Common questions
What is John M. Rex, M.D.'s NPI number?
John M. Rex, M.D.'s National Provider Identifier (NPI) is 1669697959, issued on Apr 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John M. Rex, M.D. located?
The NPPES record lists a practice address at 8721 SW 184TH Dr, Beaverton, OR, 97007. Phone: (503) 931-4795. Providers update this record themselves, so call before visiting.
How can I verify John M. Rex, M.D.'s license?
NPPES lists Oregon license number MD13543, 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. 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.