Physician

Ari D. Fishman, M.D.

According to 2025 Medicare claims, Ari Fishman, M.D. (NPI: 1407963036) 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 20817-7847.

Fishman's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 847 traditional Medicare patients, billed 195,099 HCPCS/CPT codes, and received $2,794,196 in Medicare payments. The top billing code was 99213 (Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more). Part D data shows 834 prescription claims across 142 beneficiaries totaling $5,380,057 in drug costs, led by Pomalyst (Pomalidomide). DME data shows 24 claims. Open Payments data shows 9 records totaling $297. 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 $1,201,030 to $2,794,196. Similarly, Part D prescription costs have risen steadily, from $638,066 to $5,380,057. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.