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DR. THOMAS LEWIS FIRNBERG II MD
NPI 1164597472
Psychiatry & Neurology - Psychiatry in Stockton, CA

Active since November 21, 2006PECOS Enrolled
1212 N CALIFORNIA ST, STOCKTON, CA 95202(209) 468-8842(209) 953-1041 Get Directions Write a Review

NPPES record last updated: February 24, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 24, 2021, Dec 15, 2015 (2 updates tracked since 2015).

About Dr. Thomas Lewis Firnberg Ii Md NPPES

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

DR. THOMAS LEWIS FIRNBERG II MD (NPI 1164597472) is an individual psychiatry provider in Stockton, California, licensed in Colorado (48635) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164597472
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. THOMAS LEWIS FIRNBERG IICredential: MD
Location Address1212 N CALIFORNIA STStockton, CA 95202-1552
Mailing Address400 N Park Ave, Unit #10-bBreckenridge, CO 80424-8850 · (951) 533-9993 · Fax (970) 368-6509
Phone(209) 468-8842
Fax(209) 953-1041
Sole ProprietorYes
Enumeration DateNovember 21, 2006
Last NPPES UpdateFebruary 24, 20212 updates tracked since enumeration
NPPES CertifiedFebruary 24, 2021
✔ NPI 1164597472 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in CO · 48635✔ Licensed in CA · A040218✔ Licensed in ID · M-10877
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1212 N CALIFORNIA ST, Stockton, CA 95202
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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)

Dr. Thomas Lewis Firnberg Ii Md 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 Reassignments

3

Medicare enrollment records show Thomas Firnberg reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

San Joaquin County Behavioral Health Services
Same address
Mental Health (Including Community Mental Health Center)
1212 N CALIFORNIA ST
Stockton, CA 95202
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of San Joaquin
  • 195 clinicians in this Medicare group
NPI 1043426869 (209) 468-8700
Faculty Physicians And Surgeons Of Llusm
289 mi
Neurological Surgery
615 WEST AVE Q, SUITE E
Palmdale, CA 93551
  • Reassigned Medicare billing, California enrollment
  • 2,584 clinicians in this Medicare group
NPI 1679754634 (909) 558-3111
County Of Del Norte
304 mi
Community/Behavioral Health
405 & 455 K STREET
Crescent City, CA 95531
  • Reassigned Medicare billing, California enrollment
  • 22 clinicians in this Medicare group
NPI 1790801116 (707) 464-7224

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 95202 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
$176.60 typical visit price
range $58.87 – $176.60
Typical copayment $44.15 (range $14.71 – $44.15)
Most-billed visit code 99205
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
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 20

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

SAN JOAQUIN COUNTY BEHAVIORAL HEALTH SERVICES
Clinic/Center (Mental Health (Including Community Mental Health Center))
1212 N CALIFORNIA ST
STOCKTON, CA 95202
San Joaquin County (209) 468-8700
PENNY GIBBONS BURKE RPH
Pharmacist
1212 N CALIFORNIA ST
STOCKTON, CA 95202
San Joaquin County (209) 468-8711
DOLORIS MOODY
Case Manager/Care Coordinator
1212 N CALIFORNIA ST
STOCKTON, CA 95202
San Joaquin County (209) 468-8660
MS. DELIA ORDAZ RN
Registered Nurse
1212 N CALIFORNIA ST
STOCKTON, CA 95202
San Joaquin County (209) 468-3760
DONNA L BICKHAM ACSW
Social Worker (Clinical)
1212 N CALIFORNIA ST
STOCKTON, CA 95202
San Joaquin County (209) 953-7313
MR. KENNETH RAY COCIO
Counselor (Mental Health)
1212 N CALIFORNIA ST
STOCKTON, CA 95202
San Joaquin County (209) 468-8660
ANDREA MICHELLE HERNANDEZ
Counselor (Mental Health)
1212 N CALIFORNIA ST
STOCKTON, CA 95202
San Joaquin County (209) 468-8686
SAMMY VILLAMAR ARRIOLA
Community Health Worker
1212 N CALIFORNIA ST
STOCKTON, CA 95202
San Joaquin County (209) 468-0102

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 Thomas Firnberg's NPI number?

The NPI number for Thomas Firnberg is 1164597472. It was assigned to this individual provider in the NPPES registry on November 21, 2006.

Where is Thomas Firnberg located?

Thomas Firnberg practices at 1212 N California St, Stockton, CA 95202. The listed phone number is (209) 468-8842.

What is Thomas Firnberg's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Thomas Firnberg enrolled in Medicare?

Yes. Thomas Firnberg is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Thomas Firnberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Firnberg reassigns Medicare benefits to 3 organizations: San Joaquin County Behavioral Health Services (Stockton, CA), Faculty Physicians And Surgeons Of Llusm (Palmdale, CA) and County Of Del Norte (Crescent City, CA). Each 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 Thomas Firnberg'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 Thomas Firnberg was last updated on February 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.