NPPES file of Aug 9, 2026

John Robert Western, PA

Medical Physician Assistant · San Diego, CA

John Robert Western, PA is a medical physician assistant with a practice address in San Diego, California, and NPI 1679679682, issued on Sep 16, 2006. Check the license (California PA11423, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679679682
Name
John Robert Western
Credential
PA
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA11423 CA
Self-reported in NPPES; status is on the state search
Practice location
4405 Vandever Ave, San Diego, CA 92120
Phone
(619) 516-7366
Enumerated
Sep 16, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4405 Vandever Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ghazaleh Afshar, MDObstetrics & Gynecology Physician1679774558
  2. Mariann Agapito, M.A., CCC-SLPSpeech-Language Pathologist1194552950
  3. Calliope Allen, M.D.Ophthalmology Physician1366415440
  4. Kenneth Antons, M.D.Internal Medicine Physician1982668182
  5. Kaivon Arfaa, MDObstetrics & Gynecology Physician1912977463
  6. Sharmila Basu, M.D,Internal Medicine Physician1740551688

Verify John Robert Western in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA11423
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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John Robert Western among 3,376 medical physician assistant records in California

John Robert Western, PA is one of 3,376 medical physician assistant records with a practice address in California. 69% 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 80% newer
  • In a Medicare fileNo · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in California

There are 3,376 medical physician assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Cameron Chan, PA-CSan Diego, CA 921201326440660
  2. Michelle Cote, PACSan Diego, CA 921201659554715
  3. Bryna Florence, PHYSICIAN ASSISTANTSan Diego, CA 921201245471853
  4. Cheryl Kyinn, MSPASan Diego, CA 921201649570284
  5. Laurie Reeves, PA-CSan Diego, CA 921201942510698
  6. Edwin Rivera, PHYSICIAN ASSISTANTSan Diego, CA 921201861474033
  7. Tracy Sebastian, PA-CSan Diego, CA 921201962716183
  8. Jill Chang, PA-CSan Diego, CA 921211114112786

Common questions

What is John Robert Western, PA's NPI number?

John Robert Western, PA's National Provider Identifier (NPI) is 1679679682, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Robert Western, PA located?

The NPPES record lists a practice address at 4405 Vandever Ave, San Diego, CA, 92120. Phone: (619) 516-7366. Providers update this record themselves, so call before visiting.

How can I verify John Robert Western, PA's license?

NPPES lists California license number PA11423, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

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.