Thach N. Nguyen, MD
NPI 1700872769ActiveIndividual· Internal Medicine, Cardiovascular Disease· Merrillville, IN
Internal Medicine, Cardiovascular Disease (MD) with Methodist Hospitals Cardiographics, LLC, practicing in Merrillville, Indiana. Their prescriptions cost Medicare Part D more than their services did: $430,864 for 2,528 claims, against $127,796 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 12 companies reporting payments in 2025, $759.00 in all, mostly food and beverage. Lists Methodist Hospitals Inc and 1 other hospital as hospital affiliations.
Overview
| NPI | 1700872769 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 26, 2005 |
| Last updated in NPPES | Nov 20, 2024 |
| Certified by provider | Nov 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 01033686 | IN |
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 - Interventional Cardiology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 523 |
|---|---|
| Services billed | 2,125 across 38 procedure codes |
| Paid by Medicare | $127,796 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,528 · 6,364 30-day fills |
|---|---|
| Patients | 349 |
| Total drug cost | $430,864 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1978 |
|---|---|
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Internal Medicine |
Medical group
- Methodist Hospitals Cardiographics, LLCGary, IN · 9 clinicians
Hospital affiliations
- Methodist Hospitals IncGary, IN
- St Mary Medical Center IncHobart, IN
Industry payments (Open Payments)
- 2025$759.00 · 43 payments from 12 companies
- 2024$850.39 · 42 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $367.50 | 25 |
| Merck Sharp & Dohme LLC | $101.51 | 5 |
| Novo Nordisk Inc | $80.12 | 3 |
| Pfizer Inc. | $36.71 | 2 |
| Abiomed | $31.66 | 1 |
What the 2025 payments were for
- Food and Beverage$759.00 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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