NPPES file of Aug 9, 2026

Arthur Wayne Frederick, M.S.W., L.C.S.W.

Social Worker · Los Osos, CA

Arthur Wayne Frederick, M.S.W., L.C.S.W. is a social worker with a practice address in Los Osos, California, and NPI 1780931261, issued on Aug 14, 2012. Check the license (California LCS10732, 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
1780931261
Name
Arthur Wayne Frederick
Credential
M.S.W., L.C.S.W.
Primary taxonomy
Social Worker 104100000X
License number
LCS10732 CA
Self-reported in NPPES; status is on the state search
Practice location
1800 Donna Ave, Los Osos, CA 93402
Phone
(805) 123-4567
Enumerated
Aug 14, 2012
Record last updated
Jul 26, 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 Arthur Wayne Frederick 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 LCS10732    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
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Social Worker providers in California

There are 10,332 social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 10,332 in California → Every provider in Los Osos →

Other social worker records in California

  1. Katie AbajianSan Ysidro, CA1710211818
  2. Katherine AbarcaRancho Cucamonga, CA1225814304
  3. Vafa AbbassiPasadena, CA1740538198
  4. Alexis AbbottSan Diego, CA1265158877
  5. Jeanne Abbott, LCSWModesto, CA1780786939
  6. Vanessa AbcedeLos Angeles, CA1306584495
  7. Sabrina AbdelmutiLong Beach, CA1215244280
  8. Michelle AbdennourNorthridge, CA1467838458
  9. Sara Abdi-PanarielloSacramento, CA1912186172
  10. Pearl AbdoGilroy, CA1598826802

Common questions

What is Arthur Wayne Frederick, M.S.W., L.C.S.W.'s NPI number?

Arthur Wayne Frederick, M.S.W., L.C.S.W.'s National Provider Identifier (NPI) is 1780931261, issued on Aug 14, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Arthur Wayne Frederick, M.S.W., L.C.S.W. located?

The NPPES record lists a practice address at 1800 Donna Ave, Los Osos, CA, 93402. Phone: (805) 123-4567. Providers update this record themselves, so call before visiting.

How can I verify Arthur Wayne Frederick, M.S.W., L.C.S.W.'s license?

NPPES lists California license number LCS10732, 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.