NPPES file of Aug 9, 2026

Shauna Trinh, M.D.

Vascular Surgery Physician · Riverside, CA

Shauna Trinh, M.D. is a vascular surgery physician with a practice address in Riverside, California, and NPI 1194250431, issued on Apr 24, 2017. Check the license (California A158517, 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
1194250431
Name
Shauna Trinh
Credential
M.D.
Primary taxonomy
Vascular Surgery Physician 2086S0129X
License number
A158517 CA
Self-reported in NPPES; status is on the state search
Practice location
10800 Magnolia Ave, Riverside, CA 92505
Phone
(951) 353-4960
Enumerated
Apr 24, 2017
Record last updated
Oct 25, 2024
Medicare enrollment
Enrolled (PECOS I20250113000931); accepts Medicare assignment
Medical or professional school
New York Medical College, 2017
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 10800 Magnolia Ave

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

  1. Joseph Abapo, MDPediatrics Physician1841348786
  2. Hussein Abdulrassoul, MDOrthopaedic Surgery Physician1972123891
  3. Kimberly Adams, PA-CMedical Physician Assistant1053522870
  4. Alfredo Aguiar, PAPhysician Assistant1043368970
  5. Michael Aguinaldo, M.D.Pediatrics Physician1851531487
  6. Maria Aguirre, MDPediatrics Physician1295806255

Verify Shauna Trinh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A158517
    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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86% fewer Medicare Part D claims than the average vascular surgery physician in 2024

29 Medicare Part D claims for 21 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D.

  1. Shauna Trinh29
  2. Specialty average201

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $534.08

15 payments; by number, the most common kind was food and beverage; the largest payer was Cook Medical LLC. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Shauna Trinh$534.08
  2. Specialty average$6,178.00

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. Southern California Permanente Medical GroupRiverside, CA

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

Vascular Surgery Physician providers in California

There are 580 vascular surgery physician records in California.

Other vascular surgery physician records in California

  1. Oliver Aalami, M.D.Stanford, CA1225229024
  2. Shahram Aarabi, MDOakland, CA1972700458
  3. Arad Abadi, MDLancaster, CA1730673724
  4. Ryan Abdul-HaqqWest Hollywood, CA1386087864
  5. Andrew Abi-Chaker, M.D.Sherman Oaks, CA1528488467
  6. Ahmed Abou-Zamzam, M.D.Loma Linda, CA1558306795
  7. Joseph Abu-Dalu, MDLos Angeles, CA1821157587
  8. Queen Abure, MDSan Francisco, CA1710772074
  9. Riad Adoumie, M.D.Torrance, CA1467465930
  10. Massoud Agahi, M.D.Beverly Hills, CA1952367070

Common questions

What is Shauna Trinh, M.D.'s NPI number?

Shauna Trinh, M.D.'s National Provider Identifier (NPI) is 1194250431, issued on Apr 24, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Shauna Trinh, M.D. located?

The NPPES record lists a practice address at 10800 Magnolia Ave, Riverside, CA, 92505. Phone: (951) 353-4960. Providers update this record themselves, so call before visiting.

How can I verify Shauna Trinh, M.D.'s license?

NPPES lists California license number A158517, 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.

How much does Shauna Trinh, M.D. prescribe under Medicare Part D?

In 2024, Shauna Trinh, M.D. had 29 Medicare Part D claims for 21 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions 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. 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.