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PAUL JOSEPH TAMBINI LCSW
NPI 1003353087
Social Worker - Clinical in Fairfield, CA

Active since January 27, 2017PECOS Enrolled
520 CHADBOURNE RD, FAIRFIELD, CA 94534(707) 366-3600 Get Directions Write a Review

NPPES record last updated: April 4, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 4, 2023, Jan 27, 2017 (2 updates tracked since 2017).

About Paul Joseph Tambini Lcsw NPPES

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

PAUL JOSEPH TAMBINI LCSW (NPI 1003353087) is an individual clinical provider in Fairfield, California, licensed in California (114633) and active in the NPI registry since January 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003353087
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NamePAUL JOSEPH TAMBINICredential: LCSW
Location Address520 CHADBOURNE RDFairfield, CA 94534-9656
Mailing AddressPo Box 1453Folsom, CA 95763-1453 · (916) 220-3831
Phone(707) 366-3600
Sole ProprietorNo
Enumeration DateJanuary 27, 2017
Last NPPES UpdateApril 4, 20232 updates tracked since enumeration
NPPES CertifiedApril 4, 2023
✔ NPI 1003353087 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 114633
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.
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
520 CHADBOURNE RD, Fairfield, CA 94534
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Paul Joseph Tambini Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Paul Tambini reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
12 mi
Internal Medicine
975 SERENO DRIVE
Vallejo, CA 94589
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1336222397 (707) 651-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94534 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 $65.02 – $191.95
Typical copayment $0.00 (range $16.25 – $47.98)
Most-billed visit code NA
Established Patient
$80.24 typical visit price
range $21.86 – $157.69
Typical copayment $20.06 (range $5.46 – $39.42)
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 11

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

DR. RACHEL NICOLE MORTON PSYD
Psychologist
520 CHADBOURNE RD
FAIRFIELD, CA 94534
Solano County (707) 366-3600
DR. KARA EMERY PSY.D.
Psychologist (Clinical)
520 CHADBOURNE RD
FAIRFIELD, CA 94534
Solano County (707) 366-3616
DR. JOYA DHALIWAL
Psychologist (Clinical)
520 CHADBOURNE RD
FAIRFIELD, CA 94534
Solano County (707) 366-3600
HILLARY KINGMAN
Psychologist
520 CHADBOURNE RD
FAIRFIELD, CA 94534
Solano County (707) 366-3600
BIANCA ISABEL RODRIGUEZ-GIBBONS
Marriage & Family Therapist
520 CHADBOURNE RD
FAIRFIELD, CA 94534
Solano County (707) 366-3652
NAIYAR U ZAMAN MD MHA
Psychiatry & Neurology (Psychiatry)
520 CHADBOURNE RD
FAIRFIELD, CA 94534
Solano County (707) 366-3600
AMANDA DEVANE PHD
Psychologist
520 CHADBOURNE RD
FAIRFIELD, CA 94534
Solano County (707) 366-3674
ALEXUS BROOM LMFT
Marriage & Family Therapist
520 CHADBOURNE RD
FAIRFIELD, CA 94534
Solano County (707) 366-3600

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 Tambini's NPI number?

The NPI number for Paul Tambini is 1003353087. It was assigned to this individual provider in the NPPES registry on January 27, 2017.

Where is Paul Tambini located?

Paul Tambini practices at 520 Chadbourne Rd, Fairfield, CA 94534. The listed phone number is (707) 366-3600.

What is Paul Tambini's specialty?

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

Is Paul Tambini enrolled in Medicare?

Yes. Paul Tambini is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Paul Tambini's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Paul Tambini reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Paul Tambini's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Paul Tambini was last updated on April 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.