NPPES file of Aug 9, 2026

Elizabeth Treynor, MD

Anatomic Pathology & Clinical Pathology Physician · Fremont, CA

Elizabeth Treynor, MD is an anatomic pathology & clinical pathology physician with a practice address in Fremont, California, and NPI 1750343851, issued on Apr 4, 2006. Check the license (California A65307, 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
1750343851
Name
Elizabeth Treynor
Credential
MD
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
A65307 CA
Self-reported in NPPES; status is on the state search
Practice location
2000 Mowry Ave, Fremont, CA 94538
Phone
(510) 797-1111
Enumerated
Apr 4, 2006
Record last updated
Dec 15, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
00A653070 CA
Medicare enrollment
Enrolled (PECOS I20080710000317); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 1996
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 2000 Mowry Ave

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

  1. Suselina Acosta-Goldstein, MDPsychiatry Physician1841557683
  2. Carmencita Agcaoili, M.D.Critical Care Medicine (Internal Medicine) Physician1285652396
  3. Paul Aguilera, MDInternal Medicine Physician1023639804
  4. Nivek Amin, MDAnesthesiology Physician1518288125
  5. Harry Andrews, MDEmergency Medicine Physician1295865426
  6. Sophia Antoun, PA-CPhysician Assistant1205513645

Verify Elizabeth Treynor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A65307
    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: $125.10

1 payment: food and beverage; the largest payer was Aurinia Pharma U.S., Inc. 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. Elizabeth Treynor$125.10
  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. Western LaboratoriesFremont, 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 Elizabeth Treynor, MD's NPI number?

Elizabeth Treynor, MD's National Provider Identifier (NPI) is 1750343851, issued on Apr 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Treynor, MD located?

The NPPES record lists a practice address at 2000 Mowry Ave, Fremont, CA, 94538. Phone: (510) 797-1111. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Treynor, MD's license?

NPPES lists California license number A65307, 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.