NPPES file of Aug 9, 2026

Claude T.h. Friedmann, M.D.

Specialist · Torrance, CA

Claude T.h. Friedmann, M.D. is a specialist with a practice address in Torrance, California, and NPI 1558325621, issued on Apr 14, 2006. Check the license (California G018298, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1558325621
Name
Claude T.h. Friedmann
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
G018298 CA
Self-reported in NPPES; status is on the state search
Practice location
23326 Hawthorne Blvd, Torrance, CA 90505
Phone
(310) 373-0527
Enumerated
Apr 14, 2006
Record last updated
May 7, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(310) 373-6915
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.
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8 nearest specialist records → All 5,749 in California → Look up another NPI →

Also registered at 23326 Hawthorne Blvd

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

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  3. John Sealy, M.D.Child & Adolescent Psychiatry Physician1457437196
  4. Peter Shin, MDFamily Medicine Physician1770590655
  5. Steven Sutherland, D.D.S.Dentist1558698290
  6. Eric Wong, D.D.S.Orthodontics and Dentofacial Orthopedics Dentistry1508071358

Verify Claude T.h. Friedmann 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 G018298    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.

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Claude T.h. Friedmann among 5,749 specialist records in California

Claude T.h. Friedmann, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileNo · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2009 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in California

There are 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,749 in California → Every provider in Torrance → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Michael Arnstein, M.D.Torrance, CA 905051821000100
  2. James Black, M.D.Torrance, CA 905051821000191
  3. Peter Borden, MDTorrance, CA 905051972527380
  4. John Boyd, M.D.Torrance, CA 905051083626238
  5. Roger Dumke, M.D.Torrance, CA 905051437263134
  6. David Kim, M.D.Torrance, CA 905051700992534
  7. Timothy McGillivray, M.D.Torrance, CA 905051497869853
  8. Stephen Prover, M.D.Torrance, CA 905051902860539

Common questions

What is Claude T.h. Friedmann, M.D.'s NPI number?

Claude T.h. Friedmann, M.D.'s National Provider Identifier (NPI) is 1558325621, issued on Apr 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Claude T.h. Friedmann, M.D. located?

The NPPES record lists a practice address at 23326 Hawthorne Blvd, Torrance, CA, 90505. Phone: (310) 373-0527. Providers update this record themselves, so call before visiting.

How can I verify Claude T.h. Friedmann, M.D.'s license?

NPPES lists California license number G018298, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.