Joseph Gardner, LCSW
Clinical Social Worker · Clayton, CA
Joseph Gardner, LCSW is a clinical social worker with a practice address in Clayton, California, and NPI 1467998948, issued on Jan 9, 2017. Check the license (California LCS 20652, 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.
- Name
- Joseph Gardner
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LCS 20652 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11540 Marsh Creek RD, Clayton, CA 94517
- Phone
- (909) 649-4641
- Enumerated
- Jan 9, 2017
- Entity
- Type 1 · individual
Also registered at 11540 Marsh Creek RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph Gardner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCS 20652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2 clinical social worker records list a Clayton practice address
They are 2 of the 91 NPPES records with a Clayton practice address, and 30,426 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2 in Clayton → All 30,426 in California → Every provider in Clayton →
Other clinical social worker records in California
- Lynne Aalan, LCSWYountville, CA1417195710
- Ahmad Fahim AalemiSacramento, CA1033052410
- Rachel Aarons, MSW PHDSanta Barbara, CA1871687822
- Shari Aarons, LCSWTarzana, CA1467636845
- Mary Aarsheim, LCSWPenn Valley, CA1104192616
- Sandra Aase, LCSWRiverside, CA1699872325
- Maria Abaci, LCSWSan Rafael, CA1205161924
- Alejandro Abarca, LCSWSonora, CA1538184676
- Daisy Abarca, ACSWRoseville, CA1548124779
- Marlene Abarca, ACSWSanta Ana, CA1932592284
Common questions
What is Joseph Gardner, LCSW's NPI number?
Joseph Gardner, LCSW's National Provider Identifier (NPI) is 1467998948, issued on Jan 9, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Gardner, LCSW located?
The NPPES record lists a practice address at 11540 Marsh Creek RD, Clayton, CA, 94517. Phone: (909) 649-4641. Providers update this record themselves, so call before visiting.
How can I verify Joseph Gardner, LCSW's license?
NPPES lists California license number LCS 20652, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.