Marc G. Apple, MD
NPI 1164422697ActiveIndividual· Radiology, Radiation Oncology· Knoxville, TN
Radiology, Radiation Oncology (MD) in Knoxville, Tennessee, trained at University of Miami, Lm Miller School of Medicine (class of 1990). 239 Medicare patients in 2024, $166,175 paid; nearly all of their 133 Part D prescriptions were generic (98%). Bioprotect Medical, Inc. was the largest of 2 companies reporting payments in 2025, $236.52 in all, mostly food and beverage.
Overview
| NPI | 1164422697 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 27, 2005 |
| Last updated in NPPES | Aug 19, 2021 |
| Certified by provider | Aug 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 63572 | TN |
| Radiology, Radiation Oncology | 2085R0001X | 01048136A | IN |
| Radiology, Radiation Oncology | 2085R0001X | 072738 | GA |
| Radiology, Radiation Oncology | 2085R0001X | ME63028 | FL |
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 (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 239 |
|---|---|
| Services billed | 2,206 across 25 procedure codes |
| Paid by Medicare | $166,175 |
Part D prescriptions in 2024
| Prescriptions (claims) | 133 · 179 30-day fills |
|---|---|
| Patients | 61 |
| Total drug cost | $1,693 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Miami, Lm Miller School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Radiation Oncology |
Medical group
- Indian River Health Services IncVero Beach, FL · 346 clinicians
Hospital affiliations
- Cleveland Clinic Indian River HospitalVero Beach, FL
- Cleveland Clinic Martin North HospitalStuart, FL
Other facilities
- Visiting Nurse Association of Indian River County IncHome health agency · Vero Beach, FL
Industry payments (Open Payments)
- 2025$236.52 · 3 payments from 2 companies
- 2024$194.89 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bioprotect Medical, Inc. | $155.12 | 2 |
| Novocure Inc. | $81.40 | 1 |
What the 2025 payments were for
- Food and Beverage$236.52 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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