Chanh M. Nguyen, MD
NPI 1932366135ActiveIndividual· Internal Medicine· Conroe, TX
Internal Medicine (MD) with Tmh Physician Associates PLLC, practicing in Conroe, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,149,766 for 13,727 claims, against $112,696 paid for services in 2024. Exact Sciences Corporation was the largest of 8 companies reporting payments in 2025, $366.38 in all, mostly food and beverage. Lists Clovis Community Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1932366135 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 16, 2008 |
| Last updated in NPPES | Jun 24, 2025 |
| Certified by provider | Jun 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | M9540 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 256 |
|---|---|
| Services billed | 3,697 across 81 procedure codes |
| Paid by Medicare | $112,696 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,727 · 29,892 30-day fills |
|---|---|
| Patients | 727 |
| Total drug cost | $1,149,766 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
| Telehealth | Offers telehealth |
Medical group
- Tmh Physician Associates PLLCKaty, TX · 1,690 clinicians
Hospital affiliations
- Clovis Community Medical CenterClovis, CA
- HCA Houston Healthcare ConroeConroe, TX
- Houston Methodist the Woodlands HospitalThe Woodlands, TX
Industry payments (Open Payments)
- 2025$366.38 · 17 payments from 8 companies
- 2024$236.50 · 12 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $87.71 | 4 |
| Dexcom, Inc. | $73.57 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $64.52 | 4 |
| Pfizer Inc. | $57.66 | 2 |
| Amgen Inc. | $35.82 | 2 |
What the 2025 payments were for
- Food and Beverage$366.38 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Conroe
- 1043291388
- 1063778660
- 1073933065
- 1194354472
- 1235148370
- 1275767899
- 1316010002
- 1518030212
- 1609429455
- 1730243270
- 1740228915
- 1932339371
All 38 internal medicine physicians in Conroe · All internal medicine physicians in Texas