Sam Sun, M.D.
NPI 1235584855ActiveIndividual· Radiology, Radiation Oncology· Goodyear, AZ
Radiology, Radiation Oncology (M.D.) in Goodyear, Arizona, trained at Washington University School of Medicine (class of 2016). 197 Medicare patients in 2024, $194,092 paid; nearly all of their 200 Part D prescriptions were generic (91%). Siemens Medical Solutions USA, Inc. was the largest of 39 companies reporting payments in 2025, $3,084 in all, mostly food and beverage.
Overview
| NPI | 1235584855 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 2, 2016 |
| Last updated in NPPES | Sep 26, 2024 |
| Certified by provider | Sep 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 74421 | 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 (NM) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 197 |
|---|---|
| Services billed | 1,706 across 31 procedure codes |
| Paid by Medicare | $194,092 |
Part D prescriptions in 2024
| Prescriptions (claims) | 200 · 238 30-day fills |
|---|---|
| Patients | 83 |
| Total drug cost | $46,541 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Radiation Oncology |
Medical group
- Ironwood Physicians PCChandler, AZ · 116 clinicians
Hospital affiliation
- Covenant Childrens HospitalLubbock, TX
Industry payments (Open Payments)
- 2025$3,084 · 86 payments from 39 companies
- 2024$2,699 · 57 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | $770.00 | 1 |
| Astrazeneca Pharmaceuticals LP | $254.70 | 6 |
| Stemline Therapeutics Inc. | $194.36 | 3 |
| Janssen Biotech, Inc. | $162.98 | 8 |
| Daiichi Sankyo Inc. | $156.81 | 6 |
What the 2025 payments were for
- Food and Beverage$2,314 · 85 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$770.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Radiology, Radiation Oncology providers in Goodyear
- 1417942574