NPPES file of Aug 9, 2026

Catherine Nguyen, M.D.

Anatomic Pathology & Clinical Pathology Physician · La Jolla, CA

Catherine Nguyen, M.D. is an anatomic pathology & clinical pathology physician with a practice address in La Jolla, California, and NPI 1215230784, issued on Dec 6, 2010. Check the license (California A103313, as entered in NPPES) on the Medical Board of California; 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
1215230784
Name
Catherine Nguyen
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
A103313 CA
Self-reported in NPPES; status is on the state search
Practice location
10666 N Torrey Pines RD, La Jolla, CA 92037
Phone
(858) 554-8605
Enumerated
Dec 6, 2010
Record last updated
Jun 6, 2023
Medicare enrollment
Enrolled (PECOS I20210723002659); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. 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.Physician Assistant1811165566
  2. Richard Abello, M.D.Diagnostic Radiology Physician1245205996
  3. Amanda Abrisch, AUDAudiologist1780966903
  4. Edsel Abud, MD, PHDAllergy & Immunology Physician1891257192
  5. Christina Adams, MDCardiovascular Disease Physician1023164605
  6. Dylan Adamson, M.D.Transplant Surgery Physician1598030702

Verify Catherine Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A103313
    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.

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Industry payments in 2024: $18.24

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 2,607 providers of this specialty with any payment received $3,565.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Nguyen$18.24
  2. Specialty average$3,565.00

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

Bills Medicare through one group practice

  1. Scripps HealthLa Jolla, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in California

There are 1,554 anatomic pathology & clinical pathology physician records in California.

Other anatomic pathology & clinical pathology physician records in California

  1. Sophie Aalaei, M.D.San Diego, CA1558454207
  2. Abdul Majeed Abid, MBBS, MDClovis, CA1578055414
  3. Ronnie Abraham, MDSan Luis Obispo, CA1124254933
  4. Joline Abrahams, M.D.Palm Springs, CA1679567366
  5. Guillermo Acero, MDOjai, CA1629144373
  6. Dennis Adams, M.D.Stanford, CA1053726182
  7. Alaa Afify, M.D.Sacramento, CA1245212950
  8. Ali Afsari, M.D.Orange, CA1275064362
  9. Mukesh AgarwalColton, CA1154901056
  10. Maryam Aghighi, MDSanta Rosa, CA1073074977

Common questions

What is Catherine Nguyen, M.D.'s NPI number?

Catherine Nguyen, M.D.'s National Provider Identifier (NPI) is 1215230784, issued on Dec 6, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Nguyen, M.D. located?

The NPPES record lists a practice address at 10666 N Torrey Pines RD, La Jolla, CA, 92037. Phone: (858) 554-8605. Providers update this record themselves, so call before visiting.

How can I verify Catherine Nguyen, M.D.'s license?

NPPES lists California license number A103313, 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), 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.