Andrew Thai Nguyen, MD
NPI 1003436593ActiveIndividual· Internal Medicine, Cardiovascular Disease· Stanford, CA
Internal Medicine, Cardiovascular Disease (MD) in Stanford, California, trained at Harvard Medical School (class of 2020). Part D covered 48 prescriptions written in 2024, 92% of them generic. Merck Sharp & Dohme LLC reported $43,119 in payments in 2025, mostly grants.
Overview
| NPI | 1003436593 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 24, 2020 |
| Last updated in NPPES | Jul 23, 2026 |
| Certified by provider | Jul 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A188611 | CA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 1003436593 | CA |
| Internal Medicine | 207R00000X | A188611 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 48 · 85 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $7,683 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$43,119 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $43,119 | 1 |
What the 2025 payments were for
- Grant$43,119 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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