Registry data as of Aug 27, 2026

Diana Mathis, LCSW-26440

Clinical Social Worker · Helendale, CA

Diana Mathis, LCSW-26440 is a clinical social worker with a practice address in Helendale, California, and NPI 1518648476, issued on Jul 25, 2023. Check the license (California 26440, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1518648476
Name
Diana Mathis
Credential
LCSW-26440
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
26440 CA
Self-reported in NPPES; status is on the state search
Practice location
26734 Jordan RD, Helendale, CA 92342
Phone
(760) 232-6706
Enumerated
Jul 25, 2023
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 Diana Mathis 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 26440
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

2 clinical social worker records list a Helendale practice address

They are 2 of the 27 NPPES records with a Helendale 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.

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. Alejandro Abarca, LCSWSonora, CA1538184676
  9. Daisy Abarca, ACSWRoseville, CA1548124779
  10. Marlene Abarca, ACSWSanta Ana, CA1932592284

Common questions

What is Diana Mathis, LCSW-26440's NPI number?

Diana Mathis, LCSW-26440's National Provider Identifier (NPI) is 1518648476, issued on Jul 25, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Diana Mathis, LCSW-26440 located?

The NPPES record lists a practice address at 26734 Jordan RD, Helendale, CA, 92342. Phone: (760) 232-6706. Providers update this record themselves, so call before visiting.

How can I verify Diana Mathis, LCSW-26440's license?

NPPES lists California license number 26440, 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.