Jeffrey I. Grass, MD
NPI 1275574535ActiveIndividual· Radiology, Radiation Oncology· Fairfield, OH
Radiology, Radiation Oncology (MD) in Fairfield, Ohio, trained at University of Pittsburgh School of Medicine (class of 1995). 469 Medicare patients in 2024, $1,076,970 paid; nearly all of their 192 Part D prescriptions were generic (94%). Janssen Scientific Affairs, LLC was the largest of 13 companies reporting payments in 2025, $757.14 in all, mostly food and beverage.
Overview
| NPI | 1275574535 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 9, 2006 |
| Last updated in NPPES | Apr 22, 2021 |
| Certified by provider | Apr 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 35-071641 | OH |
| Radiology, Radiation Oncology | 2085R0001X | 37561 | KY |
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 - Radiation Oncology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 469 |
|---|---|
| Services billed | 3,109 across 38 procedure codes |
| Paid by Medicare | $1,076,970 |
Part D prescriptions in 2024
| Prescriptions (claims) | 192 · 294 30-day fills |
|---|---|
| Patients | 85 |
| Total drug cost | $26,120 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Radiation Oncology |
Medical groups
- Tri State Urologic Services PSC IncBlue Ash, OH · 75 clinicians
- Oncology Hematology Care IncCincinnati, OH · 63 clinicians
Hospital affiliations
- Bethesda NorthCincinnati, OH
- Good Samaritan HospitalCincinnati, OH
- Mercy Health - Fairfield HospitalFairfield, OH
- Mercy Health - West HospitalCincinnati, OH
- St Elizabeth EdgewoodEdgewood, KY
Industry payments (Open Payments)
- 2025$757.14 · 28 payments from 13 companies
- 2024$2,582 · 24 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Scientific Affairs, LLC | $124.22 | 1 |
| Novartis Pharmaceuticals Corporation | $96.83 | 5 |
| Ferring Pharmaceuticals Inc. | $90.60 | 2 |
| Dendreon Pharmaceuticals LLC | $77.84 | 3 |
| Janssen Biotech, Inc. | $70.70 | 4 |
What the 2025 payments were for
- Food and Beverage$757.14 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Radiology, Radiation Oncology providers in Fairfield
- 1972507564
- 1023001823
- 1851384671