NPPES file of Aug 9, 2026

Stephen J. Gomberg, M.D.

Specialist · Westlake Village, CA

Stephen J. Gomberg, M.D. is a specialist with a practice address in Westlake Village, California, and NPI 1972521458, issued on Jul 17, 2006. Check the license (California G20212, 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
1972521458
Name
Stephen J. Gomberg
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
G20212 CA
Self-reported in NPPES; status is on the state search
Practice location
141 Triunfo Canyon RD, Westlake Village, CA 91361
Phone
(805) 496-2229
Enumerated
Jul 17, 2006
Record last updated
Dec 12, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(805) 496-7479
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 141 Triunfo Canyon RD

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

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  2. Eric BoranianPhysical Therapist1386090801
  3. Teresa Cosenza, DPTPhysical Therapist1477190528
  4. Celia HansenPhysical Therapist1235603663
  5. Dena Horasanian, MS CCCSpeech-Language Pathologist1316094519
  6. Jill Marder-Meyer, O.T.R./L.Physical Rehabilitation Occupational Therapist1457504888

Verify Stephen J. Gomberg 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 G20212    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

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Stephen J. Gomberg among 5,749 specialist records in California

Stephen J. Gomberg, 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 updated2011 · 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).

17 specialist records list a practice address in Westlake Village

They are 17 of the 1,397 NPPES records with a practice address in Westlake Village, and 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 Westlake Village → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Neeta Ambe-Crain, M.D.Westlake Village, CA 913611093832255
  2. Michael Bastien, MDWestlake Village, CA 913611053371096
  3. Randolph Capri, MDWestlake Village, CA 913611750340345
  4. Gary Carlson, MDWestlake Village, CA 913611144280181
  5. Glenn Cohen, M.D.Westlake Village, CA 913611881755056
  6. John Darin, M.D.Westlake Village, CA 913611902801764
  7. Kenneth Diddie, M.D.Westlake Village, CA 913611184684219
  8. Rosemary Flores, M.D.Thousand Oaks, CA 913611871593095

Common questions

What is Stephen J. Gomberg, M.D.'s NPI number?

Stephen J. Gomberg, M.D.'s National Provider Identifier (NPI) is 1972521458, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen J. Gomberg, M.D. located?

The NPPES record lists a practice address at 141 Triunfo Canyon RD, Westlake Village, CA, 91361. Phone: (805) 496-2229. Providers update this record themselves, so call before visiting.

How can I verify Stephen J. Gomberg, M.D.'s license?

NPPES lists California license number G20212, 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.