NPPES file of Aug 9, 2026

Thien-Nhan Nguyen, FNP-C

Family Nurse Practitioner · Palo Alto, CA

Thien-Nhan Nguyen, FNP-C is a family nurse practitioner with a practice address in Palo Alto, California, and NPI 1679244008, issued on Sep 24, 2021. Check the license (California 95018528, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679244008
Name
Thien-Nhan Nguyen
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
95018528 CA
95053992 CA
Self-reported in NPPES; status is on the state search
Practice location
805 EL Camino Real Ste A, Palo Alto, CA 94301
Phone
(650) 328-1676
Enumerated
Sep 24, 2021
Record last updated
Sep 24, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(650) 445-0911
Medicare enrollment
Enrolled (PECOS I20211117002266); may accept Medicare assignment
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 805 EL Camino Real Ste A

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

  1. Nawal Johansen, M.D.Internal Medicine Physician1700066933

Verify Thien-Nhan 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 95018528
    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

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68% fewer Medicare Part D claims than the average family nurse practitioner in 2024

424 Medicare Part D claims for 82 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Thien-Nhan Nguyen424
  2. Specialty average1,305

Most prescribed

  1. Omeprazole30 claims
  2. Losartan Potassium29 claims
  3. Gabapentin25 claims
  4. Atorvastatin Calcium21 claims
  5. Diclofenac Sodium21 claims
  6. Levothyroxine Sodium21 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 MIPS final score for 2023 (Medicare payment program): 22.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%75.4
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Thien-Nhan Nguyen among 16,966 family nurse practitioner records in California

Thien-Nhan Nguyen, FNP-C is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 62% of them.

  • NPI issued2021 · 62% of these records are older, 32% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2021 · median 2019 among the 6,793 with a school on file
  • Record last updated2021 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

147 family nurse practitioner records list a practice address in Palo Alto

They are 147 of the 7,617 NPPES records with a practice address in Palo Alto, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Kelly Beim, FNPPalo Alto, CA 943011043428501
  2. Amy Bennett, FNP-BCPalo Alto, CA 943011366884017
  3. Kimberly Butler, NPPalo Alto, CA 943011578647244
  4. Alice Dalizu, N.P.Palo Alto, CA 943011093989402
  5. Simy George, NPPalo Alto, CA 943011578942330
  6. Aihua Hu, NP-CPalo Alto, CA 943011265726426
  7. Rhonda Jones, FNPPalo Alto, CA 943011750532529
  8. Zuzana Likar, NP-CPalo Alto, CA 943011487087755

Common questions

What is Thien-Nhan Nguyen, FNP-C's NPI number?

Thien-Nhan Nguyen, FNP-C's National Provider Identifier (NPI) is 1679244008, issued on Sep 24, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Thien-Nhan Nguyen, FNP-C located?

The NPPES record lists a practice address at 805 EL Camino Real Ste A, Palo Alto, CA, 94301. Phone: (650) 328-1676. Providers update this record themselves, so call before visiting.

How can I verify Thien-Nhan Nguyen, FNP-C's license?

NPPES lists California license number 95018528, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Thien-Nhan Nguyen, FNP-C prescribe under Medicare Part D?

In 2024, Thien-Nhan Nguyen, FNP-C had 424 Medicare Part D claims for 82 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Thien-Nhan Nguyen, FNP-C's MIPS final score?

The 2023 MIPS final score is 22.6 of 100. 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.