NPPES file of Aug 9, 2026

Thuy Dung Thi Nguyen, PA

Physician Assistant · Modesto, CA

Thuy Dung Thi Nguyen, PA is a physician assistant with a practice address in Modesto, California, and NPI 1225717705, issued on Jul 12, 2023. Check the license (California 63476, as entered in NPPES) with the California board that licenses this profession; 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
1225717705
Name
Thuy Dung Thi Nguyen
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
63476 CA
Self-reported in NPPES; status is on the state search
Practice location
1510 Florida Ave Ste A, Modesto, CA 95350
Phone
(209) 722-4842
Enumerated
Jul 12, 2023
Record last updated
Aug 21, 2024
Medicare enrollment
Enrolled (PECOS I20231103002224); 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 1510 Florida Ave Ste A

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

  1. Tanisha McNeal, FNPFamily Nurse Practitioner1124525225
  2. Roselande Mentor, FNPFamily Nurse Practitioner1205425931
  3. Loretta Myers-Weber, NP-CFamily Nurse Practitioner1831694769

Verify Thuy Dung Thi Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 63476
    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
Find 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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36% fewer Medicare Part D claims than the average physician assistant in 2024

529 Medicare Part D claims for 288 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Thuy Dung Nguyen529
  2. Specialty average830

Most prescribed

  1. Ibuprofen56 claims
  2. Sulfamethoxazole-Trimethoprim27 claims
  3. Famotidine18 claims
  4. Albuterol Sulfate Hfa17 claims
  5. Amoxicillin-Clavulanate Potass17 claims
  6. Lisinopril16 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

  1. J M Geiss DO ApcSanta Ana, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thuy Dung Thi Nguyen among 14,451 physician assistant records in California

Thuy Dung Thi Nguyen, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 80% of them.

  • NPI issued2023 · 80% of these records are older, 13% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2017 · median 2018 among the 7,214 with a school on file
  • Record last updated2024 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

122 physician assistant records list a practice address in Modesto

They are 122 of the 9,262 NPPES records with a practice address in Modesto, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Kevin Bailey, P.A-CModesto, CA 953501891740007
  2. Shannon Gillespie, P.A-CModesto, CA 953501063459683
  3. Leslie Halseth, PAModesto, CA 953501760445589
  4. Nancy Howard, P.A-CModesto, CA 953501649225871
  5. Mark Jacobs, PAModesto, CA 953501346359866
  6. Jason James, P.A-CModesto, CA 953501114972478
  7. Richard Kelley, PA-CModesto, CA 953501558316786
  8. Rosemarie Kelley, PA-CModesto, CA 953501407942097

Common questions

What is Thuy Dung Thi Nguyen, PA's NPI number?

Thuy Dung Thi Nguyen, PA's National Provider Identifier (NPI) is 1225717705, issued on Jul 12, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Thuy Dung Thi Nguyen, PA located?

The NPPES record lists a practice address at 1510 Florida Ave Ste A, Modesto, CA, 95350. Phone: (209) 722-4842. Providers update this record themselves, so call before visiting.

How can I verify Thuy Dung Thi Nguyen, PA's license?

NPPES lists California license number 63476, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Thuy Dung Thi Nguyen, PA prescribe under Medicare Part D?

In 2024, Thuy Dung Thi Nguyen, PA had 529 Medicare Part D claims for 288 beneficiaries; the average among physician assistant prescribers was 830. 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.