Registry data as of Aug 27, 2026

Michael Basta, MSW

Clinical Social Worker · Sonoma, CA

Michael Basta, MSW is a clinical social worker with a practice address in Sonoma, California, and NPI 1720155799, issued on Nov 29, 2006. Check the license (California LCS12967, 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
1720155799
Name
Michael Basta
Credential
MSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
LCS12967 CA
Self-reported in NPPES; status is on the state search
Practice location
793 1St St W, Sonoma, CA 95476
Phone
(707) 935-6739
Enumerated
Nov 29, 2006
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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Also registered at 793 1St St W

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Janet ConstantinoMarriage & Family Therapist1801124367
  2. Ana Flaherty, M.A.Marriage & Family Therapist1407187693
  3. Karen Sanders, LCSWClinical Social Worker1972720795
  4. Susan Warnock-Brooks, MFT AND LEPPsychologist1013051267

Verify Michael Basta 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 LCS12967
    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 →

18 clinical social worker records list a Sonoma practice address

They are 18 of the 395 NPPES records with a Sonoma 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 Michael Basta, MSW's NPI number?

Michael Basta, MSW's National Provider Identifier (NPI) is 1720155799, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Basta, MSW located?

The NPPES record lists a practice address at 793 1St St W, Sonoma, CA, 95476. Phone: (707) 935-6739. Providers update this record themselves, so call before visiting.

How can I verify Michael Basta, MSW's license?

NPPES lists California license number LCS12967, 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.