Physician
Shannon Courtney O'Connor, M.D.
According to 2025 Medicare claims, Shannon O'Connor, M.D. (NPI: 1972760452) practices hematology/oncology in the Frederick-Gaithersburg-Bethesda, MD market, with the plurality of this provider's patient population coming from Montgomery, MD. This provider's primary affiliated billing organization is MARYLAND ONCOLOGY HEMATOLOGY, P.A. (NPI: 1821271032; TIN: 113652573) and primary practice location at 20850-6535.
O'Connor's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 699 traditional Medicare patients, billed 117,970 HCPCS/CPT codes, and received $2,086,014 in Medicare payments. The top billing code was 96413 (Administration of chemotherapy into vein, 1 hour or less). Part D data shows 565 prescription claims across 135 beneficiaries totaling $1,309,108 in drug costs, led by Ibrance (Palbociclib). DME data shows 57 claims. Open Payments data shows 120 records totaling $156,479. 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 $1,013,022 to $2,086,014. Similarly, Part D prescription costs have moved from a lower plateau to a higher plateau, from $349,548 to $1,309,108. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.