Thanh Dinh Nguyen, M.D.
Internal Medicine, Nephrology (M.D.) in Merced, California, trained at University of Vermont College of Medicine (class of 2002). In 2024 Medicare paid $307,400 for 651 patients, and Part D covered 2,380 of their prescriptions, 88% of them generic. Novo Nordisk Inc reported $96.47 in payments in 2025, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1346419918 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 27, 2008 |
| Last updated in NPPES | Sep 17, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A86202 | CA |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Thanh Ngoc Nguyen · Personal Care Provid | 1128a1 | Jul 20, 2017 | Elk Grove, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | Possible (name) | See above |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 651 |
|---|---|
| Services billed | 3,124 across 23 procedure codes |
| Paid by Medicare | $307,400 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,380 · 5,524 30-day fills |
|---|---|
| Patients | 431 |
| Total drug cost | $337,799 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Vermont College of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Nephrology |
Medical group
- Stanislaus Kidney and HypertensionMerced, CA · 2 clinicians
Hospital affiliations
- Emanuel Medical CenterTurlock, CA
- Memorial Hospital Los BanosLos Banos, CA
- Mercy Medical CenterMerced, CA
Other facilities
- Davita Atwater DialysisDialysis facility · Atwater, CA
- Davita Los Banos DialysisDialysis facility · Los Banos, CA
- Davita Merced DialysisDialysis facility · Merced, CA
- Davita Merced East DialysisDialysis facility · Merced, CA
- Shc MercedDialysis facility · Merced, CA
Industry payments (Open Payments)
- 2025$96.47 · 1 payment from 1 company
- 2024$80.34 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $96.47 | 1 |
What the 2025 payments were for
- Food and Beverage$96.47 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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