Uyen Trinh Nguyen, MD
Family Medicine Physician · Sunnyvale, CA
Uyen Trinh Nguyen, MD is a family medicine physician with a practice address in Sunnyvale, California, and NPI 1447754908, issued on Mar 20, 2018. Check the license (California A164026, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Uyen Trinh Nguyen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A164026 CA
Self-reported in NPPES; status is on the state search - Practice location
- 301 Old San Francisco RD, Sunnyvale, CA 94086
- Phone
- (408) 730-4262
- Enumerated
- Mar 20, 2018
- Record last updated
- Sep 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20211203002631); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 301 Old San Francisco RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Uyen Trinh Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A164026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average family medicine physician in 2024
2,667 Medicare Part D claims for 276 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 39 claims were for opioids.
Most prescribed
- Atorvastatin Calcium262 claims
- Lisinopril129 claims
- Losartan Potassium102 claims
- Amlodipine Besylate100 claims
- Levothyroxine Sodium94 claims
- Hydrochlorothiazide85 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $15.08
1 payment: food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 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 2 group practices
- Sharp Rees-Stealy Medical Group IncSan Diego, CA
- Sutter Bay Medical FoundationSunnyvale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Uyen Trinh Nguyen among 17,133 family medicine physician records in California
Uyen Trinh Nguyen, MD 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 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2021 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 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).
33 family medicine physician records list a practice address in Sunnyvale
They are 33 of the 1,690 NPPES records with a practice address in Sunnyvale, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Sunnyvale → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lulua Bahrainwala, MD, MSSunnyvale, CA 940861568949709
- Andreea Doaga, MDSunnyvale, CA 940861730387853
- Ying GuoSunnyvale, CA 940861871054338
- Barry Hansen, MDSunnyvale, CA 940861184663825
- Justin JuanSunnyvale, CA 940861942788823
- Angie Li, MDSunnyvale, CA 940861932636396
- Jian Ying Liang, MDSunnyvale, CA 940861316989296
- Yingchih Lin, MDSunnyvale, CA 940861194817635
Common questions
What is Uyen Trinh Nguyen, MD's NPI number?
Uyen Trinh Nguyen, MD's National Provider Identifier (NPI) is 1447754908, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Uyen Trinh Nguyen, MD located?
The NPPES record lists a practice address at 301 Old San Francisco RD, Sunnyvale, CA, 94086. Phone: (408) 730-4262. Providers update this record themselves, so call before visiting.
How can I verify Uyen Trinh Nguyen, MD's license?
NPPES lists California license number A164026, 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 Uyen Trinh Nguyen, MD prescribe under Medicare Part D?
In 2024, Uyen Trinh Nguyen, MD had 2,667 Medicare Part D claims for 276 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Uyen Trinh Nguyen, MD's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.