DR. THOMAS LEWIS II FIRNBERG (MD) – Psychiatry Physician, NPI 1164597472

DR. THOMAS LEWIS II FIRNBERG (MD) is a healthcare provider. based in Stockton, California. specializing in Psychiatry Physician. They hold the professional credentials MD. They hold a License No. A040218 (CA). The NPI Number for DR. THOMAS LEWIS II FIRNBERG (MD) is 1164597472

Main info

Male
Sole Proprietor
44 Years Of Experience
Accepts Medicare Assignment
Name
DR. THOMAS LEWIS II FIRNBERG (MD)
NPI
1164597472
Phone
(209) 468-8842
Address
1212 N CALIFORNIA ST
Enumeration Date
21 November 2006
Last Update Date
24 February 2021

Doctor Profile

Medical School Name
LOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Secondary Phone
2094688700
Graduation Year
1982 (44 years ago)
PAC ID
4789867565
Group Practice PAC ID
6002703436
Professional Enrollment ID
I20200709001052
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience80
Completeness75
Years active:19State licenses:3Digital endpointsOther names

Provider Addresses for DR. THOMAS LEWIS II FIRNBERG (MD)

  • 1212 N CALIFORNIA ST

    STOCKTON, CA 952021552

    Phone: (209) 468-8842

    Fax: (209) 953-1041

    Type: Location

  • Park Avenue, Breckenridge, Wilkin County, Minnesota, 56520, United States

    UNIT #10-B

    BRECKENRIDGE, CO 804248850

    Phone: (951) 533-9993

    Fax: (970) 368-6509

    Type: Mailing

  • County Road 9 South, Alamosa County, Colorado, United States

    ALAMOSA, CO 811019610

    Phone: (719) 587-5688

    Fax: (719) 587-5699

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 4 Open Payments records for all available years, with a total value of $110.

Total Amount is formed as General ($110) + Research ($0) + Ownership ($0) = $110.

Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) ($110).

Total Amount

$110

General + Research + Ownership

Payments

4

Total payment records

General Amount

$110

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-18

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2020-07-09

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20200709001052IPsychiatryCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes13760$0
99213Established patient office or other outpatient visit, 20-29 minutes11856$0
99215Established patient office or other outpatient visit, 40-54 minutes4645$0
View full utilization report →

Insurance plans in this area (ZIP 95202)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6002703436View full group profile
NameSpecialtyState
-CA
Diagnostic Radiology, Interventional RadiologyMA
Diagnostic RadiologyCA
-CA
Orthopedic SurgeryCA
-WV
Diagnostic RadiologyCA
-TX
General SurgeryCA
Interventional Radiology, Diagnostic RadiologyIL

Reviews

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Frequently asked questions

How do I look up DR. THOMAS LEWIS II FIRNBERG (MD) by NPI?
Use NPI 1164597472 when you need to reference DR. THOMAS LEWIS II FIRNBERG (MD) in forms, claims, or directories.
Is DR. THOMAS LEWIS II FIRNBERG (MD) active in the national directory?
DR. THOMAS LEWIS II FIRNBERG (MD)'s public NPI profile is in an active state.
Does DR. THOMAS LEWIS II FIRNBERG (MD) list a primary specialty?
If you are matching referrals, note Psychiatry Physician for DR. THOMAS LEWIS II FIRNBERG (MD). Clinical services aligned with this taxonomy classification.
Where is DR. THOMAS LEWIS II FIRNBERG (MD)'s primary listing?
We display Stockton, California because that is what the record indicates for DR. THOMAS LEWIS II FIRNBERG (MD).
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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