Phuong Thao Nguyen, MD
Family Medicine Physician · San Jose, CA
Phuong Thao Nguyen, MD is a family medicine physician with a practice address in San Jose, California, and NPI 1780319442, issued on Jul 18, 2022. Check the license (California 204487, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Phuong Thao Nguyen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 204487 CA
Self-reported in NPPES; status is on the state search - Practice location
- 939 Story RD, San Jose, CA 95122
- Phone
- (408) 573-9686
- Enumerated
- Jul 18, 2022
- Record last updated
- Aug 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20251110002805); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 939 Story RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wing Kwan Au Yeung, RNRegistered Nurse1487510707
- Yifan Huang, RDRegistered Dietitian1710807680
- Yanyan JiangRegistered Nurse1699626119
- Aimee KiangRegistered Dietitian1649145053
Verify Phuong Thao Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 204487Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
213 Medicare Part D claims for 62 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Atorvastatin Calcium17 claims
- Jardiance14 claims
- Lisinopril12 claims
- Losartan Potassium12 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.
Bills Medicare through one group practice
- North East Medical ServicesSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phuong Thao Nguyen among 17,133 family medicine physician records in California
Phuong Thao 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 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 3% 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).
265 family medicine physician records list a practice address in San Jose
They are 265 of the 20,925 NPPES records with a practice address in San Jose, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Jose → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Linh Nguyen, D.O.San Jose, CA 951221558353060
- Minhtam Nguyen, M.DSan Jose, CA 951221457460354
- Roger Washington, M.D.San Jose, CA 951221295812816
- James Andrews, M.D.San Jose, CA 951231326259052
- Frederick Benson, M.D.San Jose, CA 951231245240993
- Abraham Cabebe, M.D.San Jose, CA 951231528171501
- Jorge Contreras, M.D.San Jose, CA 951231548295868
- Mona Dalal, M.D.San Jose, CA 951211235456195
Common questions
What is Phuong Thao Nguyen, MD's NPI number?
Phuong Thao Nguyen, MD's National Provider Identifier (NPI) is 1780319442, issued on Jul 18, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Phuong Thao Nguyen, MD located?
The NPPES record lists a practice address at 939 Story RD, San Jose, CA, 95122. Phone: (408) 573-9686. Providers update this record themselves, so call before visiting.
How can I verify Phuong Thao Nguyen, MD's license?
NPPES lists California license number 204487, 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 Phuong Thao Nguyen, MD prescribe under Medicare Part D?
In 2024, Phuong Thao Nguyen, MD had 213 Medicare Part D claims for 62 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.