Physician

Timothy L. Kerwin, MD

According to 2025 Medicare claims, Timothy Kerwin, MD (NPI: 1346309085) practices radiation oncology in the Naples-Marco Island, FL market, with the plurality of this provider's patient population coming from Collier, FL. This provider's primary affiliated billing organization is ADVOCATE RADIATION ONCOLOGY, LLC (NPI: 1841753969; TIN: 834138769) and primary practice location at 34110-6216.

Kerwin's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 876 traditional Medicare patients, billed 14,980 HCPCS/CPT codes, and received $2,868,055 in Medicare payments. The top billing code was G6015 (Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session). Part D data shows 250 prescription claims across 114 beneficiaries totaling $2,939 in drug costs, led by Tamsulosin Hcl (Tamsulosin Hcl). Open Payments data shows 19 records totaling $520. 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 declined steadily, from $5,418,781 to $2,868,055. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $6,709 and ending at $2,939. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.