Anton M. Melnyk Jr., MD,FACP
NPI 1801834544ActiveIndividual· Internal Medicine, Hematology & Oncology· Abilene, TX
Internal Medicine, Hematology & Oncology (MD,FACP) with Texas Oncology PA, practicing in Abilene, Texas. In 2024 Medicare paid $2,981,554 for 783 patients, and Part D covered 2,236 of their prescriptions, 88% of them generic. Janssen Global Services, LLC was the largest of 32 companies reporting payments in 2025, $5,340 in all, mostly consulting fees. Lists Hendrick Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1801834544 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD,FACP |
| Sole proprietor | No |
| NPI issued | Jun 3, 2006 |
| Last updated in NPPES | Mar 10, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | J8058 | TX |
| Internal Medicine, Medical Oncology | 207RX0202X | J8058 | 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 - Hematology/Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 783 |
|---|---|
| Services billed | 249,893 across 177 procedure codes |
| Paid by Medicare | $2,981,554 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,236 · 3,225 30-day fills |
|---|---|
| Patients | 306 |
| Total drug cost | $2,855,685 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine, Medical Oncology |
Medical group
- Texas Oncology PAPlano, TX · 1,014 clinicians
Hospital affiliations
- Hendrick Medical CenterAbilene, TX
- Hendrick Medical Center BrownwoodBrownwood, TX
- Rolling Plains Memorial HospitalSweetwater, TX
Industry payments (Open Payments)
- 2025$5,340 · 55 payments from 32 companies
- 2024$4,756 · 20 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Global Services, LLC | $1,980 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $1,434 | 4 |
| Janssen Scientific Affairs, LLC | $222.35 | 2 |
| Geron Corporation | $156.65 | 3 |
| Gilead Sciences, Inc. | $155.33 | 4 |
What the 2025 payments were for
- Consulting Fee$3,263 · 2 payments
- Food and Beverage$2,057 · 52 payments
- Education$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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