Samir Kumar Nath, M.D
NPI 1386660876ActiveIndividual· Internal Medicine, Gastroenterology· Baytown, TX
Internal Medicine, Gastroenterology (M.D) with Tmh Physician Associates PLLC and 1 other group, practicing in Baytown, Texas. Their prescriptions cost Medicare Part D more than their services did: $230,078 for 1,172 claims, against $66,612 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 10 companies reporting payments in 2025, $368.77 in all, mostly food and beverage. Lists Houston Methodist Baytown Hospital as a hospital affiliation.
Overview
| NPI | 1386660876 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | Yes |
| NPI issued | Jul 15, 2006 |
| Last updated in NPPES | Aug 18, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | L8858 | TX |
| Internal Medicine, Hepatology | 207RI0008X | L8858 | 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 - Gastroenterology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 351 |
|---|---|
| Services billed | 783 across 23 procedure codes |
| Paid by Medicare | $66,612 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,172 · 2,304 30-day fills |
|---|---|
| Patients | 477 |
| Total drug cost | $230,078 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Tmh Physician Associates PLLCKaty, TX · 1,690 clinicians
- Houston Methodist Specialty PhysiciansHouston, TX · 1,528 clinicians
Hospital affiliation
- Houston Methodist Baytown HospitalBaytown, TX
Industry payments (Open Payments)
- 2025$368.77 · 15 payments from 10 companies
- 2024$450.63 · 19 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $85.82 | 2 |
| Abbvie Inc. | $64.95 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $42.05 | 2 |
| Janssen Biotech, Inc. | $36.67 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $35.63 | 2 |
What the 2025 payments were for
- Food and Beverage$340.14 · 13 payments
- Education$28.63 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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