Tuong C. Nguyen, M.D.
NPI 1831531565ActiveIndividual· Surgery· Riverside, CA
Surgery (M.D.) in Riverside, California, trained at University of Wisconsin School of Medicine (class of 2013). In 2024 Medicare paid $135,616 for 270 patients, and Part D covered 318 of their prescriptions, 68% of them generic. Endologix LLC was the largest of 15 companies reporting payments in 2025, $3,878 in all, mostly food and beverage.
Overview
| NPI | 1831531565 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 23, 2013 |
| Last updated in NPPES | Aug 3, 2020 |
| Certified by provider | Aug 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A167013 | CA |
| Surgery | 208600000X | MT203673 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| 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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 270 |
|---|---|
| Services billed | 643 across 79 procedure codes |
| Paid by Medicare | $135,616 |
Part D prescriptions in 2024
| Prescriptions (claims) | 318 · 476 30-day fills |
|---|---|
| Patients | 116 |
| Total drug cost | $63,579 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | General Surgery |
| Secondary specialties | Vascular Surgery |
Medical group
- Orange County Vascular and Endovascular Surgery Center IncFountain Valley, CA · 8 clinicians
Hospital affiliations
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$3,878 · 38 payments from 15 companies
- 2024$22,086 · 25 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Endologix LLC | $1,866 | 7 |
| Medtronic, Inc. | $629.90 | 8 |
| Penumbra, Inc. | $348.82 | 2 |
| Angiodynamics, Inc. | $212.77 | 3 |
| Cook Medical LLC | $178.92 | 2 |
What the 2025 payments were for
- Food and Beverage$3,878 · 38 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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