Mohsen A. Isaac, MD
NPI 1225035348ActiveIndividual· Radiology, Radiation Oncology· Monongahela, PA
Radiology, Radiation Oncology (MD) in Monongahela, Pennsylvania, licensed in PA, with an NPI issued in July 2005. Mostly services rather than prescriptions: Medicare paid $37,078 for 65 patients in 2024, with only 30 Part D claims. Elekta Instrument Ab was the largest of 2 companies reporting payments in 2025, $111.15 in all, mostly food and beverage. Lists Penn Highlands Connellsville and 1 other hospital as hospital affiliations.
Overview
| NPI | 1225035348 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 5, 2005 |
| Last updated in NPPES | Mar 13, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | MD0419123 | PA |
| Radiology, Diagnostic Radiology | 2085R0202X | MD419123 | PA |
| Radiology, Therapeutic Radiology | 2085R0203X | MD419123 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 65 |
|---|---|
| Services billed | 490 across 23 procedure codes |
| Paid by Medicare | $37,078 |
Part D prescriptions in 2024
| Prescriptions (claims) | 30 · 30 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $103.51 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Radiation Oncology |
Hospital affiliations
- Penn Highlands ConnellsvilleConnellsville, PA
- Penn Highlands Mon ValleyMonongahela, PA
Industry payments (Open Payments)
- 2025$111.15 · 2 payments from 2 companies
- 2024$39.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Elekta Instrument Ab | $88.99 | 1 |
| Daiichi Sankyo Inc. | $22.16 | 1 |
What the 2025 payments were for
- Food and Beverage$111.15 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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