Physician

William Paul Maier, MD

According to 2025 Medicare claims, William Maier, MD (NPI: 1790735561) practices rheumatology in the Eugene-Springfield, OR market, with the plurality of this provider's patient population coming from Lane, OR. This provider's primary affiliated billing organization is WILLIAM P MAIER MD PC (NPI: 1710107016) and primary practice location at 97401-3602. Maier is affiliated with the Caravan Collaborative Pathways (ACO ID: A4604) and Collaborative ACO 30, LLC (ACO ID: A5483), participating under the MSSP model.

Maier's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 246 traditional Medicare patients, billed 21,912 HCPCS/CPT codes, and received $281,511 in Medicare payments. The top billing code was 96413 (Administration of chemotherapy into vein, 1 hour or less). Part D data shows 1,642 prescription claims across 300 beneficiaries totaling $1,508,202 in drug costs, led by Rinvoq (Upadacitinib). 2016 DME data shows 11 claims. Open Payments data shows 37 records totaling $785. 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 up and down with repeated peaks and valleys, starting at $1,267,981 and ending at $281,511. Concurrently, Part D prescription costs have changed little. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.