NPPES file of Aug 9, 2026

Dzung Trinh, MD

Geriatric Medicine (Internal Medicine) Physician · Fresno, CA

Dzung Trinh, MD is a geriatric medicine (internal medicine) physician with a practice address in Fresno, California, and NPI 1679651582, issued on Nov 1, 2006. Check the license (California G65282, 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
1679651582
Name
Dzung Trinh
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
G65282 CA
Self-reported in NPPES; status is on the state search
Practice location
347 E Barstow Ave, Fresno, CA 93710
Phone
(559) 550-4344
Enumerated
Nov 1, 2006
Record last updated
Jul 14, 2026
Fax
(559) 550-6011
Medicaid ID
00G652820 CA
Medicare enrollment
Enrolled (PECOS I20110425000086); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 1987
Telehealth
Offers telehealth (CMS)
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 347 E Barstow Ave

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

  1. Gina Arnold, RN, NPObstetrics & Gynecology Nurse Practitioner1033197249
  2. Margaret Downing, CNMWomen's Health Nurse Practitioner1760445142
  3. Richard Spencer, D.D.S.General Practice Dentistry1821135385

Verify Dzung 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 G65282
    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

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4.6 times the Medicare Part D claims of the average geriatric medicine (internal medicine) physician in 2024

19,363 Medicare Part D claims for 893 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 380 claims were for opioids.

  1. Dzung Trinh19,363
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium1,091 claims
  2. Levothyroxine Sodium852 claims
  3. Amlodipine Besylate617 claims
  4. Losartan Potassium597 claims
  5. Quetiapine Fumarate595 claims
  6. Metoprolol Succinate501 claims

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: $954.42

42 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 1,004 providers of this specialty with any payment received $1,720.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dzung Trinh$954.42
  2. Specialty average$1,720.82

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. Dzung Trinh MD IncFresno, CA

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

Geriatric Medicine (Internal Medicine) Physician providers in California

There are 532 geriatric medicine (internal medicine) physician records in California.

Other geriatric medicine (internal medicine) physician records in California

  1. Adil Abbasi, M.D.La Jolla, CA1548261316
  2. Shashidar Acharya, M.D.Orange, CA1770685521
  3. Marie AdachiLos Angeles, CA1629496740
  4. Pouya Afshar, M.D.San Diego, CA1184958977
  5. Parag Agnihotri, M.D.San Diego, CA1447351085
  6. Andreas Ahlas, M.D.Bakersfield, CA1326200833
  7. Waseem Ahmed, MDSanta Rosa, CA1386803559
  8. Paul AisenSan Diego, CA1669470753
  9. Mahmuda Alam, M.D.Glendale, CA1568659985
  10. Cathy Alessi, M.D.North Hills, CA1134224983

Common questions

What is Dzung Trinh, MD's NPI number?

Dzung Trinh, MD's National Provider Identifier (NPI) is 1679651582, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dzung Trinh, MD located?

The NPPES record lists a practice address at 347 E Barstow Ave, Fresno, CA, 93710. Phone: (559) 550-4344. Providers update this record themselves, so call before visiting.

How can I verify Dzung Trinh, MD's license?

NPPES lists California license number G65282, 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 Dzung Trinh, MD prescribe under Medicare Part D?

In 2024, Dzung Trinh, MD had 19,363 Medicare Part D claims for 893 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.