Physician

Matthew Seth Weissler, M.D.

According to 2025 Medicare claims, Matthew Weissler, M.D. (NPI: 1528225695) practices hematology/oncology in the New York-Jersey City-White Plains, NY-NJ market, with the plurality of this provider's patient population coming from Westchester, NY. This provider's primary affiliated billing organization is WESTCHESTER MEDICAL GROUP, P.C. (NPI: 1881653822; TIN: 13-3884168) and primary practice location at 10577-2574. Weissler is affiliated with the WESTMED Medical Group (ACO ID: A1199), participating under the MSSP model.

Weissler's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 628 traditional Medicare patients, billed 340,618 HCPCS/CPT codes, and received $4,367,607 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 2,009 prescription claims across 256 beneficiaries totaling $6,709,994 in drug costs, led by Pomalyst (Pomalidomide). DME data shows 14 claims. 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's Medicare Part B carrier billing has moved from a lower plateau to a higher plateau, from $1,659,830 to $4,367,607. Similarly, Part D prescription costs have moved sharply higher in recent years, from $1,061,795 to $6,709,994. In contrast, DME billing represents a smaller volume and started with an early spike, then settled into a lower baseline, moving from $10,069 to $0.