Physician

Samuel Evan Day, MD, PHD

According to 2025 Medicare claims, Samuel Day, MD, PHD (NPI: 1811304652) practices radiation oncology in the Tucson, AZ market, with the plurality of this provider's patient population coming from Pima, AZ. This provider's primary affiliated billing organization is ARIZONA BLOOD AND CANCER SPECIALISTS, PLLC (NPI: 1093370918; TIN: 834425637) and primary practice location at 85716-1729. Day is affiliated with the Innovation Care Partners MSSP (ACO ID: A2029) and ABC Network (ACO ID: A5554), participating under the MSSP model.

Day's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 503 traditional Medicare patients, billed 20,075 HCPCS/CPT codes, and received $2,041,216 in Medicare payments. The top billing code was 78815 (Nuclear medicine study from skull base to mid-thigh with ct scan). Part D data shows 136 prescription claims across 65 beneficiaries totaling $25,269 in drug costs, led by Dexamethasone (Dexamethasone). Open Payments data shows 38 records totaling $871. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has moved sharply higher in recent years, from $238,052 to $2,041,216. Similarly, Part D prescription costs have risen steadily, from $2,752 to $25,269. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.