Diana Tuyet Trang, DO
Family Medicine Physician · Fairfield, CA
Diana Tuyet Trang, DO is a family medicine physician with a practice address in Fairfield, California, and NPI 1851854293, issued on Apr 11, 2019. Check the license (California 20A21014, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diana Tuyet Trang
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 20A21014 CA
2255 NE
Self-reported in NPPES; status is on the state search - Practice location
- 101 Bodin Cir, Fairfield, CA 94535
- Phone
- (707) 423-3057
- Enumerated
- Apr 11, 2019
- Record last updated
- Oct 17, 2023
- Fax
- (707) 423-3501
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 101 Bodin Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rachel Anderson, MDAnesthesiology Physician1942730072
- Eugene Asabor, DDSDentist1568300242
- Savannah Bahls, DOMilitary Health Care Provider1619764008
Verify Diana Tuyet Trang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A21014Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
14 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Diana Tuyet Trang among 17,133 family medicine physician records in California
Diana Tuyet Trang, DO is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
67 family medicine physician records list a practice address in Fairfield
They are 67 of the 3,595 NPPES records with a practice address in Fairfield, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Fairfield → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joann Basaran, MDTravis Afb, CA 945351184610305
- Ronald Crandall, M.D.Travis Afb, CA 945351861473456
- Byron Hepburn, MDTravis Afb, CA 945351730178021
- Kathryn Holder, M.D.Fairfield, CA 945351962499392
- Ilda Isaza, D.O.Travis Afb, CA 945351871512913
- Gregory Kennebeck, MDTravis Afb, CA 945351871579847
- Nonato Largoza, MDTravis Afb, CA 945351609817303
- Daniel Murray, M.D., M.P.H.Travis Afb, CA 945351285613018
Common questions
What is Diana Tuyet Trang, DO's NPI number?
Diana Tuyet Trang, DO's National Provider Identifier (NPI) is 1851854293, issued on Apr 11, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Diana Tuyet Trang, DO located?
The NPPES record lists a practice address at 101 Bodin Cir, Fairfield, CA, 94535. Phone: (707) 423-3057. Providers update this record themselves, so call before visiting.
How can I verify Diana Tuyet Trang, DO's license?
NPPES lists California license number 20A21014, 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 Diana Tuyet Trang, DO prescribe under Medicare Part D?
In 2024, Diana Tuyet Trang, DO had 14 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.