Omar Hesham Gayar, M.D.
NPI 1083903256ActiveIndividual· Radiology, Radiation Oncology· Flint, MI
Radiology, Radiation Oncology (M.D.) in Flint, Michigan, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 2011). 322 Medicare patients in 2024, $165,737 paid; nearly all of their 76 Part D prescriptions were generic (95%). Teleflex LLC was the largest of 2 companies reporting payments in 2025, $101.98 in all, mostly food and beverage.
Overview
| NPI | 1083903256 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 28, 2011 |
| Last updated in NPPES | Oct 18, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 4301098218 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Radiation Oncology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 322 |
|---|---|
| Services billed | 2,435 across 33 procedure codes |
| Paid by Medicare | $165,737 |
Part D prescriptions in 2024
| Prescriptions (claims) | 76 · 102 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $1,942 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Radiation Oncology |
Medical group
- Hesham E Gayar MD PCFlint, MI · 6 clinicians
Hospital affiliations
- McLaren Bay RegionBay City, MI
- McLaren FlintFlint, MI
- McLaren Greater LansingLansing, MI
- McLaren Lapeer RegionLapeer, MI
- McLaren OaklandPontiac, MI
Industry payments (Open Payments)
- 2025$101.98 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teleflex LLC | $76.01 | 2 |
| Bioprotect Medical, Inc. | $25.97 | 1 |
What the 2025 payments were for
- Food and Beverage$101.98 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 radiation oncologists in Flint · All radiation oncologists in Michigan