NPPES file of Aug 9, 2026

Paul Gustav Tamminen, LCSW

Clinical Social Worker · Sebastopol, CA

Paul Gustav Tamminen, LCSW is a clinical social worker with a practice address in Sebastopol, California, and NPI 1982796371, issued on Sep 29, 2006. Check the license (California LCS14130, 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
1982796371
Name
Paul Gustav Tamminen
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
LCS14130 CA
Self-reported in NPPES; status is on the state search
Practice location
435 Petaluma Ave, Sebastopol, CA 95472
Phone
(707) 823-9950
Enumerated
Sep 29, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 435 Petaluma Ave

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

  1. Allie Andrus McCann, MFT, ATR-BCMarriage & Family Therapist1033244231
  2. Marcy Basel, L.AC.Acupuncturist1063546471
  3. Justin Collmann, PH.D.Cognitive & Behavioral Psychologist1386017754
  4. Sally Criss, LACAcupuncturist1134288657
  5. Janeece Fields, LMFTMarriage & Family Therapist1336429893
  6. Erin Riley, PH.D.Psychologist1902824386

Verify Paul Gustav Tamminen 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 LCS14130
    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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27 clinical social worker records list a practice address in Sebastopol

They are 27 of the 550 NPPES records with a practice address in Sebastopol, and 36,261 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. Louisa AbadaOakland, CA1023502259
  9. Alejandro Abarca, LCSWSonora, CA1538184676
  10. Daisy Abarca, ACSWRoseville, CA1548124779

Common questions

What is Paul Gustav Tamminen, LCSW's NPI number?

Paul Gustav Tamminen, LCSW's National Provider Identifier (NPI) is 1982796371, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Paul Gustav Tamminen, LCSW located?

The NPPES record lists a practice address at 435 Petaluma Ave, Sebastopol, CA, 95472. Phone: (707) 823-9950. Providers update this record themselves, so call before visiting.

How can I verify Paul Gustav Tamminen, LCSW's license?

NPPES lists California license number LCS14130, 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.

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.