M.A Ahad Athar, MD
NPI 1518166818ActiveIndividual· Internal Medicine, Hematology & Oncology· McKinney, TX
Internal Medicine, Hematology & Oncology (MD) in McKinney, Texas, trained at University of North Carolina at Chapel Hill School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $3,153,300 for 1,304 claims, against $1,966,560 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 26 companies reporting payments in 2025, $1,882 in all, mostly food and beverage.
Overview
| NPI | 1518166818 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 16, 2007 |
| Last updated in NPPES | Oct 8, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | N6149 | TX |
| Internal Medicine | 207R00000X | N6149 | TX |
| Internal Medicine, Medical Oncology | 207RX0202X | N6149 | TX |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Hematology/Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 610 |
|---|---|
| Services billed | 132,016 across 166 procedure codes |
| Paid by Medicare | $1,966,560 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,304 · 1,985 30-day fills |
|---|---|
| Patients | 242 |
| Total drug cost | $3,153,300 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine, Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Texas Oncology PAPlano, TX · 1,014 clinicians
Hospital affiliations
- Baylor Scott & White Medical Center - CentennialFrisco, TX
- Baylor Scott & White the Heart Hospital PlanoPlano, TX
- Baylor Scott and White Medical Center McKinneyMc Kinney, TX
- Baylor Scott and White the Heart Hospital CorinthDenton, TX
Other facilities
- Baylor Scott & White Institute for RehabilitationInpatient rehabilitation facility · Dallas, TX
Industry payments (Open Payments)
- 2025$1,882 · 85 payments from 26 companies
- 2024$1,783 · 84 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $350.85 | 18 |
| Janssen Biotech, Inc. | $218.49 | 9 |
| Lilly USA, LLC | $138.22 | 6 |
| Gilead Sciences, Inc. | $132.63 | 6 |
| Novartis Pharmaceuticals Corporation | $125.46 | 5 |
What the 2025 payments were for
- Food and Beverage$1,859 · 84 payments
- Education$23.10 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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