Thai Quoc Nguyen, MD
NPI 1740808815ActiveIndividual· Internal Medicine· Redding, CA
Internal Medicine (MD) in Redding, California, trained at University of Wisconsin School of Medicine (class of 2020). In 2024 Medicare paid $112,993 for 440 patients, and Part D covered 301 of their prescriptions, 87% of them generic. Lilly USA, LLC was the largest of 2 companies reporting payments in 2025, $31.32 in all, mostly food and beverage.
Overview
| NPI | 1740808815 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 6, 2020 |
| Last updated in NPPES | Jun 30, 2023 |
| Certified by provider | Jun 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A186384 | CA |
| Internal Medicine | 207R00000X | 2020020164 | MO |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 440 |
|---|---|
| Services billed | 1,241 across 10 procedure codes |
| Paid by Medicare | $112,993 |
Part D prescriptions in 2024
| Prescriptions (claims) | 301 · 329 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $20,162 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Internal Medicine |
Medical group
- Vituity Hospitalists PCRedwood City, CA · 79 clinicians
Hospital affiliations
- Mercy Medical Center ReddingRedding, CA
- Oroville HospitalOroville, CA
Industry payments (Open Payments)
- 2025$31.32 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $15.83 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $15.49 | 1 |
What the 2025 payments were for
- Food and Beverage$31.32 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 57 internal medicine physicians in Redding · All internal medicine physicians in California