NPPES file of Aug 9, 2026

Thomas R. Hirsch, DDS

General Practice Dentistry · Malibu, CA

Thomas R. Hirsch, DDS is a general practice dentistry with a practice address in Malibu, California, and NPI 1265437131, issued on Jun 16, 2005. Check the license (California 21899, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265437131
Name
Thomas R. Hirsch
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
21899 CA
Self-reported in NPPES; status is on the state search
Practice location
23440 Civic Center Way, Malibu, CA 90265
Phone
(310) 456-3363
Enumerated
Jun 16, 2005
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 23440 Civic Center Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Oleg Bouimer, CMTMassage Therapist1912372541
  2. Taber Chinn, D.C.Chiropractor1770522773
  3. Bridget Gardner, L.AC.Acupuncturist1174697890
  4. Ronald Maugeri, D.C.Chiropractor1346408663
  5. Lisa McCullough, LMFTMarriage & Family Therapist1679924831
  6. Allan Pfeiffer, D.D.S.General Practice Dentistry1588861785

Verify Thomas R. Hirsch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 21899
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

53% fewer Medicare Part D claims than the average general practice dentistry in 2024

39 Medicare Part D claims for 25 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Thomas Hirsch39
  2. Specialty average83

Most prescribed

  1. Amoxicillin19 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: $1,253.66

4 payments; by number, the most common kind was food and beverage; the largest payer was Patterson Companies, Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Hirsch$1,253.66
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Thomas R. Hirsch among 17,852 general practice dentistry records in California

Thomas R. Hirsch, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 97% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 general practice dentistry records list a practice address in Malibu

They are 4 of the 242 NPPES records with a practice address in Malibu, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Allan Pfeiffer, D.D.S.Malibu, CA 902651588861785
  2. Jasmin Vahedi, DDSMalibu, CA 902651902147192
  3. Jack Williams, DDSMalibu, CA 902651356454722
  4. Jenny AuManhattan Beach, CA 902661275554875
  5. Steven Firshein, DMDManhattan Beach, CA 902661033226550
  6. Aaron Gerson, D.D.S.Manhattan Beach, CA 902661306952130
  7. Steve Guidone, D.D.S.Manhattan Beach, CA 902661669568820
  8. Min-Kwei Hsieh, D.D.S.Manhattan Beach, CA 902661235150830

Common questions

What is Thomas R. Hirsch, DDS's NPI number?

Thomas R. Hirsch, DDS's National Provider Identifier (NPI) is 1265437131, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Thomas R. Hirsch, DDS located?

The NPPES record lists a practice address at 23440 Civic Center Way, Malibu, CA, 90265. Phone: (310) 456-3363. Providers update this record themselves, so call before visiting.

How can I verify Thomas R. Hirsch, DDS's license?

NPPES lists California license number 21899, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Thomas R. Hirsch, DDS prescribe under Medicare Part D?

In 2024, Thomas R. Hirsch, DDS had 39 Medicare Part D claims for 25 beneficiaries; the average among general practice dentistry prescribers was 83. 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.