Physician

Sebastian Alexander A Mayer, MD

According to 2025 Medicare claims, Sebastian Mayer, MD (NPI: 1982627873) practices hematopoietic cell transplantation and cellular therapy in the New York-Jersey City-White Plains, NY-NJ market, with the plurality of this provider's patient population coming from Kings, NY. This provider's primary affiliated billing organization is WEILL MEDICAL COLLEGE OF CORNELL (NPI: 1437273968) and primary practice location at 10065-4870. Mayer is affiliated with the NewYork Quality Care (ACO ID: A2571), participating under the MSSP model.

Mayer's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 91 traditional Medicare patients, billed 761 HCPCS/CPT codes, and received $67,652 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 385 prescription claims across 50 beneficiaries totaling $682,200 in drug costs, led by Xospata (Gilteritinib Fumarate). DME data shows 14 claims. Open Payments data shows 4 records totaling $14,351. 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 declined steadily, from $98,127 to $67,652. In contrast, Part D prescription costs have moved sharply higher in recent years, from $57,207 to $682,200. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.