Registry data as of Aug 27, 2026

Bertram Barth, LCSW

Clinical Social Worker · Milpitas, CA

Bertram Barth, LCSW is a clinical social worker with a practice address in Milpitas, California, and NPI 1649342130, issued on Nov 14, 2006. Check the license 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
1649342130
Name
Bertram Barth
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
Practice location
611 S Milpitas Blvd, Milpitas, CA 95035
Phone
(408) 945-2915
Enumerated
Nov 14, 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 611 S Milpitas Blvd

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

  1. Anjum Ahmed, M.D.Psychiatry Physician1730520636
  2. Andrea Bowen, MDObstetrics Physician1477871945
  3. Robert Burns, O.D.Optometrist1215096540
  4. Karen Cann, LCSWClinical Social Worker1508911868
  5. Jane Chi, O.D.Optometrist1649322363
  6. Karen Choi, LMFTAddiction (Substance Use Disorder) Counselor1184922726

Verify Bertram Barth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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 →

11 clinical social worker records list a Milpitas practice address

They are 11 of the 878 NPPES records with a Milpitas 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 Bertram Barth, LCSW's NPI number?

Bertram Barth, LCSW's National Provider Identifier (NPI) is 1649342130, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Bertram Barth, LCSW located?

The NPPES record lists a practice address at 611 S Milpitas Blvd, Milpitas, CA, 95035. Phone: (408) 945-2915. Providers update this record themselves, so call before visiting.

How can I verify Bertram Barth, LCSW's license?

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.