NPPES file of Aug 9, 2026

Derek Thomas, LCSW

Clinical Social Worker · Fallbrook, CA

Derek Thomas, LCSW is a clinical social worker with a practice address in Fallbrook, California, and NPI 1629994637, issued on Jun 24, 2026. Check the license (California 138626, 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
1629994637
Name
Derek Thomas
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
138626 CA
Self-reported in NPPES; status is on the state search
Practice location
194 Spanish Spur, Fallbrook, CA 92028
Phone
(760) 331-7484
Enumerated
Jun 24, 2026
Record last updated
Jul 6, 2026
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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Verify Derek Thomas 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 138626    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

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24 clinical social worker records list a practice address in Fallbrook

They are 24 of the 372 NPPES records with a practice address in Fallbrook, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 24 in Fallbrook → All 36,261 in California → Every provider in Fallbrook →

Other clinical social worker records in California

  1. Lynne Aalan, LCSWYountville, CA1417195710
  2. Ahmad Fahim AalemiSacramento, CA1033052410
  3. Rachel Aarons, MSW PHDSanta Barbara, CA1871687822
  4. Shari Aarons, LCSWTarzana, CA1467636845
  5. Mary Aarsheim, LCSWPenn Valley, CA1104192616
  6. Sandra Aase, LCSWRiverside, CA1699872325
  7. Maria Abaci, LCSWSan Rafael, CA1205161924
  8. Louisa AbadaOakland, CA1023502259
  9. Alejandro Abarca, LCSWSonora, CA1538184676
  10. Daisy Abarca, ACSWRoseville, CA1548124779

Common questions

What is Derek Thomas, LCSW's NPI number?

Derek Thomas, LCSW's National Provider Identifier (NPI) is 1629994637, issued on Jun 24, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Derek Thomas, LCSW located?

The NPPES record lists a practice address at 194 Spanish Spur, Fallbrook, CA, 92028. Phone: (760) 331-7484. Providers update this record themselves, so call before visiting.

How can I verify Derek Thomas, LCSW's license?

NPPES lists California license number 138626, 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.

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.