Physician
Rebecca Coenen Belsom, M.D.
According to 2025 Medicare claims, Rebecca Belsom, M.D. (NPI: 1063604338) practices rheumatology in the Missoula, MT market, with the plurality of this provider's patient population coming from Missoula, MT. This provider's primary affiliated billing organization is WESTERN MONTANA CLINIC PC (NPI: 1942253182; TIN: 810226415) and primary practice location at 59802-4008. Belsom is affiliated with the Health Connect Partners, LLC (ACO ID: A2342), Caravan Collaborative Pathways (ACO ID: A4604), Caravan Health ACO 50 LLC (ACO ID: A5160), MountainStar Care Partners ACO (ACO ID: A5181), Main Street Rural Health Hawthorn ACO LLC (ACO ID: A5438), and CoreHealth Alliance LLC (ACO ID: A5645), participating under the MSSP model.
Belsom's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 655 traditional Medicare patients, billed 256,189 HCPCS/CPT codes, and received $2,378,470 in Medicare payments. The top billing code was 99215 (Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more). Part D data shows 4,013 prescription claims across 502 beneficiaries totaling $4,453,902 in drug costs, led by Enbrel Sureclick (Etanercept). Open Payments data shows 45 records totaling $849. 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 risen steadily, from $125,331 to $2,378,470. Similarly, Part D prescription costs have risen steadily, from $280,682 to $4,453,902. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.