NPPES file of Aug 9, 2026

Tracy Tuyet Tran, DO

Internal Medicine Physician · Fountain Valley, CA

Tracy Tuyet Tran, DO is an internal medicine physician with a practice address in Fountain Valley, California, and NPI 1184893133, issued on Feb 25, 2008. Check the license (California 20A11361, 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
1184893133
Name
Tracy Tuyet Tran
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20A11361 CA
Self-reported in NPPES; status is on the state search
Practice location
17100 Euclid St, Fountain Valley, CA 92708
Phone
(714) 966-7200
Enumerated
Feb 25, 2008
Record last updated
May 5, 2024
Medicare enrollment
Enrolled (PECOS I20151218000671); accepts Medicare assignment
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 17100 Euclid St

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

  1. Manoochehr Abadian Sharifabad, M.D.Pulmonary Disease Physician1164655817
  2. Keith Aceron, DPMFoot & Ankle Surgery Podiatrist1801236740
  3. Janelle Agustin, PHARMDPharmacist1033880364
  4. Sara Ajifu - Tully, LCSWClinical Social Worker1124528104
  5. Lori Akasaka, LCSWClinical Social Worker1881197879
  6. Linda Araki, R.D.Registered Dietitian1184802373

Verify Tracy Tuyet Tran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A11361
    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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81% fewer Medicare Part D claims than the average internal medicine physician in 2024

605 Medicare Part D claims for 192 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Tracy Tran605
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate34 claims
  2. Atorvastatin Calcium31 claims
  3. Pantoprazole Sodium18 claims
  4. Metoprolol Tartrate17 claims
  5. Hydralazine Hcl16 claims
  6. Hydrocodone-Acetaminophen15 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.

Tracy Tuyet Tran among 17,696 internal medicine physician records in California

Tracy Tuyet Tran, DO 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 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2007 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 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).

83 internal medicine physician records list a practice address in Fountain Valley

They are 83 of the 2,190 NPPES records with a practice address in Fountain Valley, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Joel Bartlett, MDFountain Valley, CA 927081073518791
  2. Ihong Chen, MDFountain Valley, CA 927081104822535
  3. Naomi Cheung, MDFountain Valley, CA 927081073503314
  4. Alan Dang, M.D.Fountain Valley, CA 927081043217359
  5. Alton ForanFountain Valley, CA 927081619968799
  6. George Hong, MDFountain Valley, CA 927081154328532
  7. Brandon Khaw, MDFountain Valley, CA 927081568453637
  8. Lalita Komanapalli, MDFountain Valley, CA 927081578560884

Common questions

What is Tracy Tuyet Tran, DO's NPI number?

Tracy Tuyet Tran, DO's National Provider Identifier (NPI) is 1184893133, issued on Feb 25, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Tracy Tuyet Tran, DO located?

The NPPES record lists a practice address at 17100 Euclid St, Fountain Valley, CA, 92708. Phone: (714) 966-7200. Providers update this record themselves, so call before visiting.

How can I verify Tracy Tuyet Tran, DO's license?

NPPES lists California license number 20A11361, 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 Tracy Tuyet Tran, DO prescribe under Medicare Part D?

In 2024, Tracy Tuyet Tran, DO had 605 Medicare Part D claims for 192 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.