William Mark McCollough, MD
NPI 1881674992ActiveIndividual· Radiology, Radiation Oncology· Asheville, NC
Radiology, Radiation Oncology (MD) in Asheville, North Carolina, trained at University of Florida College of Medicine (class of 1985). 196 Medicare patients in 2024, $99,095 paid; nearly all of their 188 Part D prescriptions were generic (91%). Pfizer Inc. reported $33.40 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1881674992 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 17, 2006 |
| Last updated in NPPES | Jul 18, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 200300500 | NC |
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 (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 196 |
|---|---|
| Services billed | 1,373 across 29 procedure codes |
| Paid by Medicare | $99,095 |
Part D prescriptions in 2024
| Prescriptions (claims) | 188 · 199 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $2,622 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Florida College of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Radiation Oncology |
Medical group
- Mission Health Community Multispecialty Providers LLCAsheville, NC · 601 clinicians
Hospital affiliations
- Adventhealth HendersonvilleHendersonville, NC
- Haywood Regional Medical CenterClyde, NC
- Memorial Mission Hospital and Asheville Surgery CeAsheville, NC
Other facilities
- Carepartners Rehabilitation HospitalInpatient rehabilitation facility · Asheville, NC
Industry payments (Open Payments)
- 2025$33.40 · 1 payment from 1 company
- 2024$961.93 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $33.40 | 1 |
What the 2025 payments were for
- Food and Beverage$33.40 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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