NPPES file of Aug 9, 2026

Andrew Thai Nguyen, MD

Cardiovascular Disease Physician · Stanford, CA

Andrew Thai Nguyen, MD is a cardiovascular disease physician with a practice address in Stanford, California, and NPI 1003436593, issued on Apr 24, 2020. Check the license (California A188611, as entered in NPPES) on the Medical Board of California; 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
1003436593
Name
Andrew Thai Nguyen
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
A188611 CA
1003436593 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-6661
Enumerated
Apr 24, 2020
Record last updated
Jul 23, 2026
Medicare enrollment
Enrolled (PECOS I20260414002244); may accept Medicare assignment
Medical or professional school
Harvard Medical School, 2020
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 300 Pasteur Dr

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

  1. Cooper Aakhus, MDEmergency Medicine Physician1194351007
  2. Oliver Aalami, M.D.Vascular Surgery Physician1225229024
  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
  5. Fahim Abbasi, M.D.Internal Medicine Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify Andrew Thai Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A188611
    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
Open 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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98% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

48 Medicare Part D claims for 12 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.

  1. Andrew Nguyen48
  2. Specialty average3,078

Most prescribed

  1. Amlodipine Besylate11 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.

Andrew Thai Nguyen among 2,574 cardiovascular disease physician records in California

Andrew Thai Nguyen, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 97% of them.

  • NPI issued2020 · 97% of these records are older, 1% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2020 · median 1999 among the 1,742 with a school on file
  • Record last updated2026 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

86 cardiovascular disease physician records list a practice address in Stanford

They are 86 of the 5,606 NPPES records with a practice address in Stanford, and 2,574 cardiovascular disease physician records in California.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Euan Ashley, MDStanford, CA 943051497792204
  2. Timothy Devine, MDStanford, CA 943051316918634
  3. Karen Friday, MDStanford, CA 943051326067448
  4. Paul Heidenreich, MDStanford, CA 943051578573416
  5. Bob Hu, MDStanford, CA 943051376553891
  6. Lynette Lissin, MDStanford, CA 943051982615837
  7. Kenneth Mahaffey, MDStanford, CA 943051659455707
  8. David Maron, MDStanford, CA 943051538251962

Common questions

What is Andrew Thai Nguyen, MD's NPI number?

Andrew Thai Nguyen, MD's National Provider Identifier (NPI) is 1003436593, issued on Apr 24, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Thai Nguyen, MD located?

The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-6661. Providers update this record themselves, so call before visiting.

How can I verify Andrew Thai Nguyen, MD's license?

NPPES lists California license number A188611, 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 Andrew Thai Nguyen, MD prescribe under Medicare Part D?

In 2024, Andrew Thai Nguyen, MD had 48 Medicare Part D claims for 12 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.