Physician
Katherine Keller, DO
According to 2025 Medicare claims, Katherine Keller, DO (NPI: 1568854404) practices rheumatology in the Portland-South Portland, ME market, with the plurality of this provider's patient population coming from Cumberland, ME. This provider's primary affiliated billing organization is RHEUMATOLOGY ASSOCIATES P.A. (NPI: 1003098252; TIN: 010321993) and primary practice location at 04102-2643. Keller is affiliated with the MaineHealth Accountable Care Organization (ACO ID: A1290), participating under the MSSP model.
Keller's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 102 traditional Medicare patients, billed 32,378 HCPCS/CPT codes, and received $336,217 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 697 prescription claims across 189 beneficiaries totaling $556,553 in drug costs, led by Xeljanz (Tofacitinib Citrate). No Open Payments records. 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, Part D prescription costs have risen steadily, from $5,137 to $556,553. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.