Samar Harris, M.D.
NPI 1154532976ActiveIndividual· Internal Medicine, Gastroenterology· Dallas, TX
Internal Medicine, Gastroenterology (M.D.) with Texas Digestive Disease Consultants, PLLC, practicing in Dallas, Texas. Their prescriptions cost Medicare Part D more than their services did: $110,708 for 701 claims, against $56,887 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $797.21 in all, mostly food and beverage. Lists Texas Health Presbyterian Hospital Dallas as a hospital affiliation.
Overview
| NPI | 1154532976 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 24, 2007 |
| Last updated in NPPES | Jun 27, 2021 |
| Certified by provider | Jun 27, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | P0972 | TX |
| Internal Medicine | 207R00000X | P0972 | 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 | 276 |
|---|---|
| Services billed | 539 across 32 procedure codes |
| Paid by Medicare | $56,887 |
Part D prescriptions in 2024
| Prescriptions (claims) | 701 · 1,198 30-day fills |
|---|---|
| Patients | 236 |
| Total drug cost | $110,708 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Texas Digestive Disease Consultants, PLLCFlower Mound, TX · 608 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$797.21 · 35 payments from 13 companies
- 2024$1,262 · 66 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $199.62 | 10 |
| Genzyme Corporation | $198.53 | 8 |
| Ardelyx, Inc. | $96.25 | 4 |
| Regeneron Healthcare Solutions, Inc. | $55.28 | 2 |
| Enterra Medical, Inc. | $46.55 | 1 |
What the 2025 payments were for
- Food and Beverage$797.21 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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