William Gary Rule, M.D.
NPI 1538346606ActiveIndividual· Radiology, Radiation Oncology· Phoenix, AZ
Radiology, Radiation Oncology (M.D.) in Phoenix, Arizona, trained at Oregon Health Sciences University School of Medicine (class of 2006). Mostly services rather than prescriptions: Medicare paid $140,619 for 224 patients in 2024, with only 27 Part D claims. Novocure Inc. was the largest of 2 companies reporting payments in 2025, $277.00 in all, mostly food and beverage.
Overview
| NPI | 1538346606 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 30, 2008 |
| Last updated in NPPES | Sep 8, 2020 |
| Certified by provider | Sep 8, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 44461 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 224 |
|---|---|
| Services billed | 2,059 across 33 procedure codes |
| Paid by Medicare | $140,619 |
Part D prescriptions in 2024
| Prescriptions (claims) | 27 · 31 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $259.99 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Oregon Health Sciences University School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical group
- Mayo Clinic ArizonaScottsdale, AZ · 1,626 clinicians
Hospital affiliation
- Mayo Clinic HospitalPhoenix, AZ
Industry payments (Open Payments)
- 2025$277.00 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novocure Inc. | $148.96 | 1 |
| Astrazeneca Pharmaceuticals LP | $128.04 | 1 |
What the 2025 payments were for
- Food and Beverage$277.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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