Tarek Sawas, M.D.
NPI 1922396001ActiveIndividual· Internal Medicine, Gastroenterology· Richardson, TX
Internal Medicine, Gastroenterology (M.D.) with University of Texas Southwestern Medical Center at Dallas and 1 other group, practicing in Richardson, Texas. 224 Medicare patients in 2024, $52,415 paid; nearly all of their 77 Part D prescriptions were generic (92%). Olympus Corporation of the Americas was the largest of 3 companies reporting payments in 2025, $560.01 in all, mostly travel and lodging. Lists Methodist Richardson Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1922396001 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 11, 2011 |
| Last updated in NPPES | May 20, 2026 |
| Certified by provider | May 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | S6931 | TX |
| Hospitalist | 208M00000X | 62202 - 20 | WI |
| Internal Medicine, Gastroenterology | 207RG0100X | 60330 | MN |
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 | 224 |
|---|---|
| Services billed | 477 across 63 procedure codes |
| Paid by Medicare | $52,415 |
Part D prescriptions in 2024
| Prescriptions (claims) | 77 · 92 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $11,088 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- University of Texas Southwestern Medical Center at DallasDallas, TX · 3,187 clinicians
- MedhealthDallas, TX · 450 clinicians
Hospital affiliations
Industry payments (Open Payments)
- 2025$560.01 · 6 payments from 3 companies
- 2024$160.84 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus Corporation of the Americas | $400.47 | 4 |
| Boston Scientific Corporation | $145.07 | 1 |
| Olympus America Inc. | $14.47 | 1 |
What the 2025 payments were for
- Travel and Lodging$335.97 · 3 payments
- Food and Beverage$224.04 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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