Physician
Sean Adam Fischer, M.D.
According to 2025 Medicare claims, Sean Fischer, M.D. (NPI: 1801842943) practices hematology/oncology in the Los Angeles-Long Beach-Glendale, CA market, with the plurality of this provider's patient population coming from Los Angeles, CA. This provider's primary affiliated billing organization is PROVIDENCE SAINT JOHNS MEDICAL FOUNDATION (NPI: 1770093734; TIN: 814542216) and primary practice location at 90404-2182. Fischer is affiliated with the Collaborative ACO 30, LLC (ACO ID: A5483), participating under the MSSP model.
Fischer's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 900 traditional Medicare patients, billed 336,405 HCPCS/CPT codes, and received $6,460,563 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 1,715 prescription claims across 282 beneficiaries totaling $4,909,900 in drug costs, led by Revlimid (Lenalidomide). DME data shows 50 claims. Open Payments data shows 4 records totaling $709. 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 $1,289,934 to $6,460,563. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $1,610,109 and ending at $4,909,900. In contrast, DME billing represents a smaller volume and started with an early spike, then settled into a lower baseline, moving from $5,193 to $1,258.