NPPES file of Aug 9, 2026

Gilbert Alfort Bush, MEDICAL DOCTOR

Occupational Medicine Physician · Ontario, CA

Gilbert Alfort Bush, MEDICAL DOCTOR is an occupational medicine physician with a practice address in Ontario, California, and NPI 1669578241, issued on Sep 15, 2006. Check the license (California A32872, as entered in NPPES) on the Medical Board of California; 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
1669578241
Name
Gilbert Alfort Bush
Credential
MEDICAL DOCTOR
Primary taxonomy
Occupational Medicine Physician 2083X0100X
License number
A32872 CA
Self-reported in NPPES; status is on the state search
Practice location
754 N Mountain Ave, Ontario, CA 91762
Phone
(909) 460-4155
Enumerated
Sep 15, 2006
Record last updated
Jul 21, 2022
Fax
(909) 988-4414
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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8 nearest occupational medicine physician records → All 415 in California → Look up another NPI →

Also registered at 754 N Mountain Ave

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

  1. Amanda Autran, P.T.Physical Therapist1750553657
  2. Dennis Bahk, L.ACAcupuncturist1659457083
  3. Carlos Gonzalez, PT.Physical Therapist1861664765
  4. Stewart Rendon, M.D.Surgery Physician1922034255
  5. So Young YoonAcupuncturist1689563504
  6. Aaron Zia, DCChiropractor1679774236

Verify Gilbert Alfort Bush in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A32872    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
Open 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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Gilbert Alfort Bush among 415 occupational medicine physician records in California

Gilbert Alfort Bush, MEDICAL DOCTOR is one of 415 occupational medicine physician records with a practice address in California. 30% 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, 57% newer
  • In a Medicare fileNo · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 12% of these records are
  • Record last updated2022 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Occupational Medicine Physician providers in California

There are 415 occupational medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 415 in California → Every provider in Ontario → Occupational Medicine Physician nationwide →

The 8 occupational medicine physician records with the nearest ZIP codes

  1. William Downs, M.D.Ontario, CA 917611851593636
  2. Patricia Fernandez, M.D.Ontario, CA 917611528254240
  3. Leon Bybee, M.D.Pomona, CA 917661043331697
  4. Brian BallardPomona, CA 917671497218739
  5. Dionisio Lazaro, M.D.City Of Industry, CA 917481508153842
  6. Clark Robbins, M.D.Rowland Heights, CA 917481902024136
  7. Priyanka Bhanot, M.D.City Of Industry, CA 917461326210246
  8. Amarilda Christensen, M.D.Rancho Cucamonga, CA 917301649476565

Common questions

What is Gilbert Alfort Bush, MEDICAL DOCTOR's NPI number?

Gilbert Alfort Bush, MEDICAL DOCTOR's National Provider Identifier (NPI) is 1669578241, issued on Sep 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gilbert Alfort Bush, MEDICAL DOCTOR located?

The NPPES record lists a practice address at 754 N Mountain Ave, Ontario, CA, 91762. Phone: (909) 460-4155. Providers update this record themselves, so call before visiting.

How can I verify Gilbert Alfort Bush, MEDICAL DOCTOR's license?

NPPES lists California license number A32872, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.