Thomas Lewis Firnberg, MD
Psychiatry Physician · Stockton, CA
Thomas Lewis Firnberg, MD is a psychiatry physician with a practice address in Stockton, California, and NPI 1164597472, issued on Nov 21, 2006. Check the license (California A040218, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Lewis Firnberg
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A040218 CA
48635 CO
M-10877 ID
Self-reported in NPPES; status is on the state search - Practice location
- 1212 N California St, Stockton, CA 95202
- Phone
- (209) 468-8842
- Enumerated
- Nov 21, 2006
- Record last updated
- Feb 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (209) 953-1041
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1212 N California St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jesse AbundezLicensed Psychiatric Technician1841413036
- Kristopher AcevesMental Health Counselor1508332289
- Mellissa AcevesLicensed Psychiatric Technician1871957902
- Cindy AcostaPeer Specialist1225723497
- Humberto AcostaCommunity Health Worker1568176659
- Senta AdamsMental Health Counselor1255527396
Verify Thomas Lewis Firnberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A040218Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average psychiatry physician in 2024
1,128 Medicare Part D claims for 105 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Lamotrigine110 claims
- Lurasidone Hcl81 claims
- Quetiapine Fumarate76 claims
- Trazodone Hcl74 claims
- Benztropine Mesylate70 claims
- Olanzapine61 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $109.80
4 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Thomas Lewis Firnberg among 8,673 psychiatry physician records in California
Thomas Lewis Firnberg, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Stockton → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Robert Graff, M.D.Stockton, CA 952021366560112
- Robert Hart, MDStockton, CA 952021477660074
- Suryabanu JaveedStockton, CA 952021568567105
- Gaurav Kumar, M.D.Stockton, CA 952021235513102
- Guy RussellStockton, CA 952021235213448
- Hilary SilverStockton, CA 952021720201221
- Iyad Alkhouri, MDStockton, CA 952041952328940
- Stephanie Dong, M.D.Stockton, CA 952041104369198
Common questions
What is Thomas Lewis Firnberg, MD's NPI number?
Thomas Lewis Firnberg, MD's National Provider Identifier (NPI) is 1164597472, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Lewis Firnberg, MD located?
The NPPES record lists a practice address at 1212 N California St, Stockton, CA, 95202. Phone: (209) 468-8842. Providers update this record themselves, so call before visiting.
How can I verify Thomas Lewis Firnberg, MD's license?
NPPES lists California license number A040218, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Lewis Firnberg, MD prescribe under Medicare Part D?
In 2024, Thomas Lewis Firnberg, MD had 1,128 Medicare Part D claims for 105 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.