Samuel Evan Day, MD, PHD
NPI 1811304652ActiveIndividual· Radiology, Radiation Oncology· Tucson, AZ
Radiology, Radiation Oncology (MD, PHD) in Tucson, Arizona, trained at University of Colorado School of Medicine, Denver (class of 2014). 503 Medicare patients in 2024, $2,041,216 paid; nearly all of their 136 Part D prescriptions were generic (93%). Progenics Pharmaceuticals, Inc. was the largest of 14 companies reporting payments in 2025, $551.42 in all, mostly food and beverage.
Overview
| NPI | 1811304652 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Jul 14, 2014 |
| Last updated in NPPES | Aug 11, 2022 |
| Certified by provider | Aug 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 58485 | 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 | 503 |
|---|---|
| Services billed | 20,075 across 88 procedure codes |
| Paid by Medicare | $2,041,216 |
Part D prescriptions in 2024
| Prescriptions (claims) | 136 · 182 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $25,269 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Colorado School of Medicine, Denver |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Radiation Oncology |
Medical group
- Arizona Blood and Cancer Specialists, PLLCTucson, AZ · 15 clinicians
Industry payments (Open Payments)
- 2025$551.42 · 19 payments from 14 companies
- 2024$871.34 · 38 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Progenics Pharmaceuticals, Inc. | $125.00 | 1 |
| Astrazeneca Pharmaceuticals LP | $120.67 | 5 |
| Incyte Corporation | $50.75 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $33.55 | 1 |
| Rigel Pharmaceuticals, Inc. | $30.83 | 1 |
What the 2025 payments were for
- Food and Beverage$551.42 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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