Dat Q. Trinh, DO
Family Medicine Physician · Pomona, CA
Dat Q. Trinh, DO is a family medicine physician with a practice address in Pomona, California, and NPI 1245252071, issued on Jul 24, 2006. Check the license (California 20A9050, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dat Q. Trinh
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A9050 CA
Self-reported in NPPES; status is on the state search - Practice location
- 795 E. Second Street, Pomona, CA 91766
- Phone
- (909) 865-2565
- Enumerated
- Jul 24, 2006
- Record last updated
- Apr 14, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (909) 865-2955
- Medicaid ID
- 00AX90500 CA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 795 E. Second Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rebecca Giusti, D.O.Neuromusculoskeletal Medicine & OMM Physician1134321383
Verify Dat Q. Trinh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9050Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average family medicine physician in 2024
1,967 Medicare Part D claims for 179 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium173 claims
- Lisinopril93 claims
- Amlodipine Besylate91 claims
- Losartan Potassium76 claims
- Metformin Hcl67 claims
- Hydrochlorothiazide60 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.
Dat Q. Trinh among 17,133 family medicine physician records in California
Dat Q. Trinh, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2014 · 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).
78 family medicine physician records list a practice address in Pomona
They are 78 of the 5,102 NPPES records with a practice address in Pomona, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Pomona → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Rajivinder Brar, D.O., PH.D.Pomona, CA 917661629039664
- Alan Cundari, DOPomona, CA 917661477542215
- Raymond Hruby, D.O.Pomona, CA 917661366573453
- Lawrence Li, PA-CPomona, CA 917661306889621
- Felix Lin, D.O.Pomona, CA 917661073814760
- Susan Mackintosh, D.O.Pomona, CA 917661073594131
- Asheesh Pasi, MDPomona, CA 917661982750287
- Nghia Phan, D.O.Pomona, CA 917661164415535
Common questions
What is Dat Q. Trinh, DO's NPI number?
Dat Q. Trinh, DO's National Provider Identifier (NPI) is 1245252071, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dat Q. Trinh, DO located?
The NPPES record lists a practice address at 795 E. Second Street, Pomona, CA, 91766. Phone: (909) 865-2565. Providers update this record themselves, so call before visiting.
How can I verify Dat Q. Trinh, DO's license?
NPPES lists California license number 20A9050, 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 Dat Q. Trinh, DO prescribe under Medicare Part D?
In 2024, Dat Q. Trinh, DO had 1,967 Medicare Part D claims for 179 beneficiaries; 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.