Aaron A. Ambrad, MD
NPI 1265411961ActiveIndividual· Radiology, Radiation Oncology· Scottsdale, AZ
Radiology, Radiation Oncology (MD) in Scottsdale, Arizona, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1999). In 2024 Medicare paid $1,077,459 for 354 patients, and Part D covered 82 of their prescriptions, 85% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 49 companies reporting payments in 2025, $4,136 in all, mostly food and beverage.
Overview
| NPI | 1265411961 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 11, 2006 |
| Last updated in NPPES | Jul 16, 2025 |
| Certified by provider | Jul 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 35808 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 354 |
|---|---|
| Services billed | 5,773 across 37 procedure codes |
| Paid by Medicare | $1,077,459 |
Part D prescriptions in 2024
| Prescriptions (claims) | 82 · 90 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $10,712 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Radiation Oncology |
Medical group
- Ironwood Physicians PCChandler, AZ · 116 clinicians
Industry payments (Open Payments)
- 2025$4,136 · 144 payments from 49 companies
- 2024$3,311 · 140 payments from 38 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $416.36 | 18 |
| Merck Sharp & Dohme LLC | $300.72 | 12 |
| Novocure Inc. | $259.43 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $249.09 | 7 |
| Daiichi Sankyo Inc. | $201.92 | 7 |
What the 2025 payments were for
- Food and Beverage$4,128 · 143 payments
- Education$8.60 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Radiology, Radiation Oncology providers in Scottsdale
- 1124337720
- 1710495916
- 1043461437
- 1851367494
- 1174434823
- 1952481152
- 1124337407
- 1265345102
- 1548609910
- 1659337566
- 1235103839
- 1659519478