Gary W. Grubb, M.D.
Family Medicine Physician · Lancaster, CA
Gary W. Grubb, M.D. is a family medicine physician with a practice address in Lancaster, California, and NPI 1881891067, issued on Jun 29, 2007. Check the license (California G43124, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gary W. Grubb
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G43124 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1672 W Avenue J, Lancaster, CA 93534
- Phone
- (661) 945-0821
- Enumerated
- Jun 29, 2007
- Record last updated
- Aug 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (661) 948-6255
- Entity
- Type 1 · individual
Also registered at 1672 W Avenue J
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gary W. Grubb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G43124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45 family medicine physician records list a practice address in Lancaster
They are 45 of the 4,273 NPPES records with a practice address in Lancaster, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 45 in Lancaster → All 17,133 in California → Every provider in Lancaster →
Other family medicine physician records in California
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- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Gary W. Grubb, M.D.'s NPI number?
Gary W. Grubb, M.D.'s National Provider Identifier (NPI) is 1881891067, issued on Jun 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gary W. Grubb, M.D. located?
The NPPES record lists a practice address at 1672 W Avenue J, Lancaster, CA, 93534. Phone: (661) 945-0821. Providers update this record themselves, so call before visiting.
How can I verify Gary W. Grubb, M.D.'s license?
NPPES lists California license number G43124, 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.
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.