Registry data as of Aug 27, 2026

Thomas Ahern, M.D.

Cardiovascular Disease Physician · La Jolla, CA

Thomas Ahern, M.D. is a cardiovascular disease physician with a practice address in La Jolla, California, and NPI 1073599858, issued on Dec 22, 2005. Check the license (California G85906, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1073599858
Name
Thomas Ahern
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
G85906 CA
Self-reported in NPPES; status is on the state search
Practice location
10666 N Torrey Pines RD, La Jolla, CA 92037
Phone
(858) 554-4039
Enumerated
Dec 22, 2005
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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Also registered at 10666 N Torrey Pines RD

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

  1. Terri Abbott, P.A.Surgical Physician Assistant1811165566
  2. Richard Abello, M.D.Diagnostic Radiology Physician1245205996
  3. Amanda Abrisch, AUDAudiologist1780966903
  4. Edsel Abud, MD, PHDAllergy & Immunology (Internal Medicine) Physician1891257192
  5. Christina Adams, MDCardiovascular Disease Physician1023164605
  6. Dylan Adamson, M.D.Transplant Surgery Physician1598030702

Verify Thomas Ahern in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G85906
    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
Open 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

47 cardiovascular disease physician records list a La Jolla practice address

They are 47 of the 3,648 NPPES records with a La Jolla practice address, and 2,322 cardiovascular disease physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other cardiovascular disease physician records in California

  1. Abdul Abbasi, MDLong Beach, CA1710071717
  2. Lillian Abdelmalek, MDSacramento, CA1881343796
  3. Robin Abdelmalik, M.D. FACCTemecula, CA1275656662
  4. Roberto Abdelnur, MDEl Centro, CA1982648606
  5. Sohail Abdi-Moradi, M.D.Moorpark, CA1376862938
  6. Nadia Abelhad, M.D.Chula Vista, CA1619400801
  7. Mohammad Abid, MD FACCIndio, CA1699857706
  8. Georges Abou Rjaili, MDRiverside, CA1073896544
  9. Maria Abraham, M.D.San Francisco, CA1669436960
  10. Theodore Abraham, M.D.San Francisco, CA1467427096

Common questions

What is Thomas Ahern, M.D.'s NPI number?

Thomas Ahern, M.D.'s National Provider Identifier (NPI) is 1073599858, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Ahern, M.D. located?

The NPPES record lists a practice address at 10666 N Torrey Pines RD, La Jolla, CA, 92037. Phone: (858) 554-4039. Providers update this record themselves, so call before visiting.

How can I verify Thomas Ahern, M.D.'s license?

NPPES lists California license number G85906, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.