NPPES file of Aug 9, 2026

Tiffany T. Trinh, M.D.

Internal Medicine Physician · Torrance, CA

Tiffany T. Trinh, M.D. is an internal medicine physician with a practice address in Torrance, California, and NPI 1891007084, issued on Jul 5, 2010. Check the license (California A120697, 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
1891007084
Name
Tiffany T. Trinh
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A120697 CA
Self-reported in NPPES; status is on the state search
Practice location
3701 Skypark Drive, Torrance, CA 90505
Phone
(310) 378-2234
Enumerated
Jul 5, 2010
Record last updated
Jun 10, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(310) 378-9795
Medicare enrollment
Enrolled (PECOS I20130830000617); accepts Medicare assignment
Medical or professional school
University Of Utah School Of Medicine, 2010
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 3701 Skypark Drive

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

  1. Tanya Arvan, MDInternal Medicine Physician1104827666
  2. Alyssa Washlake, N.P.Nurse Practitioner1538387915

Verify Tiffany T. 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 A120697
    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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90% fewer Medicare Part D claims than the average internal medicine physician in 2024

309 Medicare Part D claims for 138 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Tiffany Trinh309
  2. Specialty average3,176

Most prescribed

  1. Amoxicillin-Clavulanate Potass24 claims
  2. Omeprazole21 claims
  3. Furosemide16 claims
  4. Eliquis12 claims
  5. Montelukast Sodium12 claims
  6. Albuterol Sulfate Hfa11 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: $693.85

34 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. 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.

  1. Tiffany Trinh$693.85
  2. Specialty average$1,303.06

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. Torrance Health Association IncTorrance, CA

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

Tiffany T. Trinh among 17,696 internal medicine physician records in California

Tiffany T. 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 2010, is newer than 63% of them.

  • NPI issued2010 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2010 · median 2004 among the 11,065 with a school on file
  • Record last updated2014 · 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).

231 internal medicine physician records list a practice address in Torrance

They are 231 of the 8,901 NPPES records with a practice address in Torrance, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Tanya Arvan, MDTorrance, CA 905051104827666
  2. Madhu Chatwani, M.D.Torrance, CA 905051215993894
  3. James Ding, MDTorrance, CA 905051285614636
  4. Vadim Fanous, MDTorrance, CA 905051457329716
  5. Tyler Jung, M.D.Torrance, CA 905051194791772
  6. Chong Kim, MDTorrance, CA 905051528034485
  7. Janet Lee, D.O.Torrance, CA 905051205826633
  8. Thomas Lee, M.D.Torrance, CA 905051609842079

Common questions

What is Tiffany T. Trinh, M.D.'s NPI number?

Tiffany T. Trinh, M.D.'s National Provider Identifier (NPI) is 1891007084, issued on Jul 5, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Tiffany T. Trinh, M.D. located?

The NPPES record lists a practice address at 3701 Skypark Drive, Torrance, CA, 90505. Phone: (310) 378-2234. Providers update this record themselves, so call before visiting.

How can I verify Tiffany T. Trinh, M.D.'s license?

NPPES lists California license number A120697, 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 Tiffany T. Trinh, M.D. prescribe under Medicare Part D?

In 2024, Tiffany T. Trinh, M.D. had 309 Medicare Part D claims for 138 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.