Sultan Aleem Chowdhary, MD
NPI 1033114459ActiveIndividual· Internal Medicine, Hematology & Oncology· McKinney, TX
Internal Medicine, Hematology & Oncology (MD) with Oncology-Hematology Consultants PA, practicing in McKinney, Texas. Their prescriptions cost Medicare Part D more than their services did: $6,147,096 for 1,441 claims, against $759,035 paid for services in 2024. Regeneron Pharmaceuticals, Inc. was the largest of 32 companies reporting payments in 2025, $4,734 in all, mostly consulting fees. Lists Medical Center of McKinney and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1033114459 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 14, 2005 |
| Last updated in NPPES | Feb 19, 2025 |
| Certified by provider | Feb 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | J8960 | 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 - Medical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 364 |
|---|---|
| Services billed | 73,820 across 109 procedure codes |
| Paid by Medicare | $759,035 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,441 · 1,953 30-day fills |
|---|---|
| Patients | 227 |
| Total drug cost | $6,147,096 |
| Generic share | 59% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology/Oncology, Pathology |
| Telehealth | Offers telehealth |
Medical group
- Oncology-Hematology Consultants PAWeatherford, TX · 75 clinicians
Hospital affiliations
- Medical Center of McKinneyMcKinney, TX
- Medical City PlanoPlano, TX
- Texas Health Presbyterian Hospital PlanoPlano, TX
Industry payments (Open Payments)
- 2025$4,734 · 71 payments from 32 companies
- 2024$1,847 · 43 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Pharmaceuticals, Inc. | $2,588 | 1 |
| Novartis Pharmaceuticals Corporation | $808.14 | 12 |
| Astrazeneca Pharmaceuticals LP | $161.86 | 7 |
| Pfizer Inc. | $98.72 | 4 |
| Incyte Corporation | $97.76 | 4 |
What the 2025 payments were for
- Consulting Fee$2,588 · 1 payment
- Food and Beverage$1,373 · 60 payments
- Long term medical supply or device loan$749.97 · 9 payments
- Education$23.10 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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