Physician
George Bernard Semeniuk, M.D.
According to 2025 Medicare claims, George Semeniuk, M.D. (NPI: 1316022924) practices hematology/oncology in the Anaheim-Santa Ana-Irvine, CA market, with the plurality of this provider's patient population coming from Orange, CA. This provider's primary affiliated billing organization is CITY OF HOPE MEDICAL FOUNDATION (NPI: 1871886366; TIN: 274803222) and primary practice location at 92660-7725. Semeniuk is affiliated with the Lore Health ACO (ACO ID: A5192), participating under the MSSP model.
Semeniuk's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 517 traditional Medicare patients, billed 142,406 HCPCS/CPT codes, and received $2,991,745 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 1,011 prescription claims across 131 beneficiaries totaling $2,751,601 in drug costs, led by Imbruvica (Ibrutinib). 2021 DME data shows 77 claims. Open Payments data shows 34 records totaling $109,256. 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 sharply higher in recent years, from $205,165 to $2,991,745. Similarly, Part D prescription costs have moved from a lower plateau to a higher plateau, from $714,829 to $2,751,601. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.