Shamyal Khan, D.O.
NPI 1972981843ActiveIndividual· Internal Medicine, Gastroenterology· Waco, TX
Internal Medicine, Gastroenterology (D.O.) in Waco, Texas, trained at University of North Texas Hsc, College of Osteopathic Med (class of 2015). In 2024 Medicare paid $71,256 for 300 patients, and Part D covered 663 of their prescriptions, 78% of them generic. Phathom Pharmaceuticals, Inc. was the largest of 11 companies reporting payments in 2025, $626.90 in all, mostly food and beverage.
Overview
| NPI | 1972981843 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 12, 2015 |
| Last updated in NPPES | May 12, 2026 |
| Certified by provider | May 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | R7507 | TX |
| Internal Medicine | 207R00000X | 593771 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 300 |
|---|---|
| Services billed | 730 across 45 procedure codes |
| Paid by Medicare | $71,256 |
Part D prescriptions in 2024
| Prescriptions (claims) | 663 · 877 30-day fills |
|---|---|
| Patients | 327 |
| Total drug cost | $43,626 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of North Texas Hsc, College of Osteopathic Med |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Hillcrest Physician ServicesWaco, TX · 115 clinicians
- Waco Gastroenterology AssociatesWaco, TX · 15 clinicians
Hospital affiliations
- Ascension ProvidenceWaco, TX
- Baylor Scott & White Medical Center - TempleTemple, TX
- Baylor Scott & White Medical Center HillcrestWaco, TX
- Coryell Memorial HospitalGatesville, TX
Industry payments (Open Payments)
- 2025$626.90 · 39 payments from 11 companies
- 2024$788.52 · 33 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $196.57 | 21 |
| Ipsen Biopharmaceuticals, Inc | $89.14 | 5 |
| Enterra Medical, Inc. | $80.70 | 1 |
| Genzyme Corporation | $56.24 | 2 |
| Abbvie Inc. | $46.78 | 2 |
What the 2025 payments were for
- Food and Beverage$626.90 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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