Samer Hassan, M.D.
NPI 1033421284ActiveIndividual· Internal Medicine, Hematology & Oncology· Oklahoma City, OK
Internal Medicine, Hematology & Oncology (M.D.) with Integris Ambulatory Care Corporation, practicing in Oklahoma City, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $4,595,507 for 2,063 claims, against $88,531 paid for services in 2024. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $279.33 in all, mostly food and beverage. Lists Integris Baptist Medical Center, Inc and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1033421284 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 3, 2010 |
| Last updated in NPPES | Aug 28, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 28920 | OK |
| Internal Medicine, Hematology | 207RH0000X | MD2016-0258 | NM |
| Internal Medicine, Hematology & Oncology | 207RH0003X | MD2016-0258 | NM |
| Internal Medicine, Medical Oncology | 207RX0202X | MD2016-0258 | NM |
| 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 (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 372 |
|---|---|
| Services billed | 1,452 across 12 procedure codes |
| Paid by Medicare | $88,531 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,063 · 2,781 30-day fills |
|---|---|
| Patients | 250 |
| Total drug cost | $4,595,507 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Integris Ambulatory Care CorporationSpencer, OK · 685 clinicians
Hospital affiliations
- Integris Baptist Medical Center, IncOklahoma City, OK
- Integris Canadian Valley HospitalYukon, OK
- Integris Southwest Medical CenterOklahoma City, OK
- O U Medical CenterOklahoma City, OK
Industry payments (Open Payments)
- 2025$279.33 · 13 payments from 11 companies
- 2024$234.83 · 11 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $50.97 | 2 |
| Pfizer Inc. | $39.83 | 2 |
| Daiichi Sankyo Inc. | $29.71 | 1 |
| Array Biopharma Inc | $26.11 | 1 |
| Novartis Pharmaceuticals Corporation | $23.20 | 1 |
What the 2025 payments were for
- Food and Beverage$245.16 · 11 payments
- Education$34.17 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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