MR. PAUL GUSTAV TAMMINEN LCSW
NPI 1982796371
Social Worker - Clinical in Sebastopol, CA

Active since September 29, 2006Opted out of Medicare · through Jul 1, 2028
435 PETALUMA AVE, SUITE 140, SEBASTOPOL, CA 95472(707) 823-9950 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: September 13, 2026.

About Mr. Paul Gustav Tamminen Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. PAUL GUSTAV TAMMINEN LCSW (NPI 1982796371) is an individual clinical provider in Sebastopol, California, licensed in California (LCS14130) and active in the NPI registry since September 2006. He has opted out of Medicare through July 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1982796371
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. PAUL GUSTAV TAMMINENCredential: LCSW
Location Address435 PETALUMA AVE, SUITE 140Sebastopol, CA 95472-4277
Mailing Address7860 Brookside AveSebastopol, CA 95472-3245 · (707) 823-9950
Sole ProprietorYes
Enumeration DateSeptember 29, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1982796371 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in CA · LCS14130
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
435 PETALUMA AVE, Sebastopol, CA 95472

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Mr. Paul Gustav Tamminen Lcsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2016 through July 1, 2028.

Opt-Out Effective DateJuly 1, 2016
Opt-Out In Effect ThroughJuly 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95472 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $63.04 – $187.01
Typical copayment $0.00 (range $15.76 – $46.75)
Most-billed visit code NA
Established Patient
$77.94 typical visit price
range $21.02 – $153.40
Typical copayment $19.48 (range $5.25 – $38.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Marriage & Family Therapist
435 PETALUMA AVE, #140
SEBASTOPOL, CA 95472
Acupuncturist
435 PETALUMA AVE, SUITE 120
SEBASTOPOL, CA 95472
Acupuncturist
435 PETALUMA AVE, SUITE 124
SEBASTOPOL, CA 95472
Marriage & Family Therapist
435 PETALUMA AVE
SEBASTOPOL, CA 95472
Psychologist (Cognitive & Behavioral)
435 PETALUMA AVE, SUITE 110E
SEBASTOPOL, CA 95472
Acupuncturist
435 PETALUMA AVE, SUITE 130
SEBASTOPOL, CA 95472
Psychologist
435 PETALUMA AVE, SUITE #140
SEBASTOPOL, CA 95472
General Practice
435 PETALUMA AVE, SUITE 150
SEBASTOPOL, CA 95472

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Paul Tamminen's NPI number?

The NPI number for Paul Tamminen is 1982796371. It was assigned to this individual provider in the NPPES registry on September 29, 2006.

Where is Paul Tamminen located?

Paul Tamminen practices at 435 Petaluma Ave Suite 140, Sebastopol, CA 95472. The listed phone number is (707) 823-9950.

What is Paul Tamminen's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Paul Tamminen enrolled in Medicare?

No. Paul Tamminen has opted out of Medicare through July 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Paul Tamminen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.