Huy Anh Nguyen, M.D.
NPI 1073517306ActiveIndividual· Internal Medicine, Gastroenterology· San Jose, CA
Internal Medicine, Gastroenterology (M.D.) in San Jose, California, trained at University of Minnesota Medical School (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $1,488,799 for 1,843 claims, against $64,309 paid for services in 2024. Gilead Sciences, Inc. was the largest of 7 companies reporting payments in 2025, $6,768 in all, mostly speaking and faculty fees.
Overview
| NPI | 1073517306 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 1, 2005 |
| Last updated in NPPES | Nov 7, 2023 |
| Certified by provider | Nov 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A61818 | 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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 311 |
|---|---|
| Services billed | 730 across 26 procedure codes |
| Paid by Medicare | $64,309 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,843 · 2,258 30-day fills |
|---|---|
| Patients | 519 |
| Total drug cost | $1,488,799 |
| Generic share | 53% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Gastroenterology |
Medical group
- San Jose Gastroenterology, Inc.San Jose, CA · 11 clinicians
Industry payments (Open Payments)
- 2025$6,768 · 31 payments from 7 companies
- 2024$10,999 · 48 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $6,495 | 16 |
| Abbvie Inc. | $103.54 | 5 |
| Kerecis Limited | $59.25 | 4 |
| Sumitomo Pharma America, Inc. | $46.00 | 3 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $24.65 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$6,060 · 2 payments
- Food and Beverage$651.62 · 28 payments
- Travel and Lodging$56.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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