Mahendra Mahatma, M.D.
NPI 1437176187ActiveIndividual· Internal Medicine, Gastroenterology· Irving, TX
Internal Medicine, Gastroenterology (M.D.) in Irving, Texas, licensed in TX, with an NPI issued in July 2006. In 2024 Medicare paid $67,447 for 261 patients, and Part D covered 747 of their prescriptions, 86% of them generic. Phathom Pharmaceuticals, Inc. reported $20.43 in payments in 2025, mostly food and beverage. Lists Baylor Scott & White Medical Center at Irving and 1 other hospital as hospital affiliations.
Overview
| NPI | 1437176187 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Aug 18, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | H8739 | 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 - Gastroenterology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 261 |
|---|---|
| Services billed | 651 across 31 procedure codes |
| Paid by Medicare | $67,447 |
Part D prescriptions in 2024
| Prescriptions (claims) | 747 · 1,349 30-day fills |
|---|---|
| Patients | 311 |
| Total drug cost | $87,182 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Gastroenterology |
Hospital affiliations
- Baylor Scott & White Medical Center at IrvingIrving, TX
- Texas Health Presbyterian Hospital Flower MoundFlower Mound, TX
Industry payments (Open Payments)
- 2025$20.43 · 1 payment from 1 company
- 2024$174.30 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $20.43 | 1 |
What the 2025 payments were for
- Food and Beverage$20.43 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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