Physician

John T Register, MD

According to 2025 Medicare claims, John Register, MD (NPI: 1124048368) practices radiation oncology in the Mount Vernon-Anacortes, WA market, with the plurality of this provider's patient population coming from Skagit, WA. This provider's primary affiliated billing organization is WHITON & REGISTER PLLC (NPI: 1952497158; TIN: 272608867) and primary practice location at 98274-4100. Register is affiliated with the PSW ACO (ACO ID: A5323), participating under the MSSP model.

Register's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 258 traditional Medicare patients, billed 2,708 HCPCS/CPT codes, and received $218,840 in Medicare payments. The top billing code was 77427 (Radiation treatment management, 5 treatment sessions). Part D data shows 22 prescription claims across 15 beneficiaries totaling $167 in drug costs. Open Payments data shows 1 records totaling $22. 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 started with an early spike, then settled into a lower baseline, moving from $867,840 to $218,840. Similarly, Part D prescription costs started with an early spike, then settled into a lower baseline, moving from $1,105 to $167. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.