Mazyar Malakouti, M.D.
NPI 1962845305ActiveIndividual· Internal Medicine, Gastroenterology· Southlake, TX
Internal Medicine, Gastroenterology (M.D.) in Southlake, Texas, trained at University of Texas Medical Branch at Galveston (class of 2013). In 2024 Medicare paid $208,857 for 359 patients, and Part D covered 904 of their prescriptions, 82% of them generic. Janssen Biotech, Inc. was the largest of 12 companies reporting payments in 2025, $28,282 in all, mostly speaking and faculty fees.
Overview
| NPI | 1962845305 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 16, 2013 |
| Last updated in NPPES | Jul 9, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | R1079 | TX |
| Internal Medicine | 207R00000X | R1079 | TX |
| Hospitalist | 208M00000X | R1079 | 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 | 359 |
|---|---|
| Services billed | 10,551 across 47 procedure codes |
| Paid by Medicare | $208,857 |
Part D prescriptions in 2024
| Prescriptions (claims) | 904 · 1,581 30-day fills |
|---|---|
| Patients | 344 |
| Total drug cost | $164,449 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Texas Digestive Disease Consultants, PLLCFlower Mound, TX · 608 clinicians
Hospital affiliation
- Baylor Scott & White Medical Center GrapevineGrapevine, TX
Industry payments (Open Payments)
- 2025$28,282 · 92 payments from 12 companies
- 2024$9,571 · 68 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $21,206 | 28 |
| Lilly USA, LLC | $5,193 | 7 |
| Abbvie Inc. | $901.78 | 36 |
| Janssen Scientific Affairs, LLC | $486.61 | 6 |
| Pfizer Inc. | $138.62 | 5 |
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$22,634 · 10 payments
- Travel and Lodging$2,855 · 10 payments
- Food and Beverage$2,793 · 72 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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