Than Nguyen, D.O.
NPI 1316207236ActiveIndividual· Internal Medicine· Berkeley, CA
Internal Medicine (D.O.) in Berkeley, California, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2012). Part D covered 982 prescriptions written in 2024, 95% of them generic. Janssen Biotech, Inc. was the largest of 4 companies reporting payments in 2025, $185.06 in all, mostly food and beverage.
Overview
| NPI | 1316207236 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | May 24, 2012 |
| Last updated in NPPES | Nov 20, 2025 |
| Certified by provider | Nov 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | L2226995 | MI |
| Internal Medicine, Gastroenterology | 207RG0100X | 20A15824 | 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 - Internal Medicine (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 982 · 1,387 30-day fills |
|---|---|
| Patients | 527 |
| Total drug cost | $61,214 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliations
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Eden Medical CenterCastro Valley, CA
Industry payments (Open Payments)
- 2025$185.06 · 6 payments from 4 companies
- 2024$181.72 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $65.72 | 2 |
| Abbvie Inc. | $49.39 | 2 |
| Biosense Webster, Inc. | $48.75 | 1 |
| Pfizer Inc. | $21.20 | 1 |
What the 2025 payments were for
- Food and Beverage$185.06 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 100 internal medicine physicians in Berkeley · All internal medicine physicians in California