Tuan Dinh Nguyen, M.D.
NPI 1952341034ActiveIndividual· Internal Medicine, Cardiovascular Disease· Austin, TX
Internal Medicine, Cardiovascular Disease (M.D.) in Austin, Texas, trained at Wayne State University School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,298,832 for 6,870 claims, against $261,042 paid for services in 2024. Heartflow, Inc. was the largest of 6 companies reporting payments in 2025, $2,420 in all, mostly speaking and faculty fees.
Overview
| NPI | 1952341034 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Jul 22, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | L8455 | TX |
| Nuclear Medicine, Nuclear Cardiology | 207UN0901X | L8455 | TX |
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 - Cardiovascular Disease (Cardiology) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,079 |
|---|---|
| Services billed | 4,086 across 55 procedure codes |
| Paid by Medicare | $261,042 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,870 · 18,301 30-day fills |
|---|---|
| Patients | 886 |
| Total drug cost | $1,298,832 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical groups
- Seton Family of DoctorsAustin, TX · 792 clinicians
- Legacy Heart Care of Midtown Austin, LLCRound Rock, TX · 7 clinicians
Hospital affiliations
- Ascension Seton HaysKyle, TX
- Ascension Seton Medical Center AustinAustin, TX
- Ascension Seton NorthwestAustin, TX
- Ascension Seton SmithvilleSmithville, TX
- Ascension Seton WilliamsonRound Rock, TX
Industry payments (Open Payments)
- 2025$2,420 · 17 payments from 6 companies
- 2024$23,356 · 30 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heartflow, Inc. | $2,075 | 6 |
| Bayer Healthcare Pharmaceuticals Inc. | $231.48 | 5 |
| Boston Scientific Corporation | $43.04 | 2 |
| E.R. Squibb & Sons, L.L.C. | $35.32 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $20.19 | 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$1,594 · 2 payments
- Food and Beverage$805.92 · 14 payments
- Education$20.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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