Jonathan B. Ashman, MD
NPI 1659337566ActiveIndividual· Radiology, Radiation Oncology· Scottsdale, AZ
Radiology, Radiation Oncology (MD) with Mayo Clinic Arizona, practicing in Scottsdale, Arizona. Mostly services rather than prescriptions: Medicare paid $141,136 for 231 patients in 2024, with only 22 Part D claims. Lists Mayo Clinic Hospital as a hospital affiliation.
Overview
| NPI | 1659337566 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 21, 2006 |
| Last updated in NPPES | Nov 18, 2025 |
| Certified by provider | Nov 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 34491 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Radiation Oncology (AZ); Practitioner - Radiation Oncology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 231 |
|---|---|
| Services billed | 2,003 across 35 procedure codes |
| Paid by Medicare | $141,136 |
Part D prescriptions in 2024
| Prescriptions (claims) | 22 · 24 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $225.95 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| 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)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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