Tien Trinh, M.D.
Internal Medicine Physician · San Jose, CA
Tien Trinh, M.D. is an internal medicine physician with a practice address in San Jose, California, and NPI 1881791135, issued on Sep 20, 2006. Check the license (California G79654, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tien Trinh
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G79654 CA
Self-reported in NPPES; status is on the state search - Practice location
- 728 Colleen Dr, San Jose, CA 95123
- Phone
- (408) 809-7533
- Enumerated
- Sep 20, 2006
- Record last updated
- May 24, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (408) 809-7539
- Medicare enrollment
- Enrolled (PECOS I20180524000501); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Tien Trinh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G79654Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average internal medicine physician in 2024
8,318 Medicare Part D claims for 314 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 61 claims were for opioids.
Most prescribed
- Atorvastatin Calcium505 claims
- Amlodipine Besylate369 claims
- Losartan Potassium322 claims
- Eliquis308 claims
- Metformin Hcl245 claims
- Lisinopril204 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: $28.86
1 payment: food and beverage; the largest payer was Abiomed. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- American Medical Center, LLCTamuning, GU
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tien Trinh among 17,696 internal medicine physician records in California
Tien Trinh, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1993 · median 2004 among the 11,065 with a school on file
- Record last updated2016 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Jose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Swetha Bhat, M.D.San Jose, CA 951231174943872
- Samuel Cipoletti, M.DSan Jose, CA 951231477576429
- Bali Gill, MDSan Jose, CA 951231871911347
- Tatiana Ososkova, MDSan Jose, CA 951231023281904
- Sudha SaduvalaSan Jose, CA 951231619350634
- Nadia Sattar, MDSan Jose, CA 951231750769121
- Nora Ancheta, MDSan Jose, CA 951221588733166
- Huma Aziz, M.D.San Jose, CA 951241740390111
Common questions
What is Tien Trinh, M.D.'s NPI number?
Tien Trinh, M.D.'s National Provider Identifier (NPI) is 1881791135, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tien Trinh, M.D. located?
The NPPES record lists a practice address at 728 Colleen Dr, San Jose, CA, 95123. Phone: (408) 809-7533. Providers update this record themselves, so call before visiting.
How can I verify Tien Trinh, M.D.'s license?
NPPES lists California license number G79654, 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 Tien Trinh, M.D. prescribe under Medicare Part D?
In 2024, Tien Trinh, M.D. had 8,318 Medicare Part D claims for 314 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.