Physician
Michael S Benjamin, M.D.
According to 2025 Medicare claims, Michael Benjamin, M.D. (NPI: 1619933132) practices hematology/oncology in the Oxnard-Thousand Oaks-Ventura, CA market, with the plurality of this provider's patient population coming from Ventura, CA. This provider's primary affiliated billing organization is MICHAEL BENJAMIN MD INC (NPI: 1649319310; TIN: 364599322) and primary practice location at 91307-1928.
Benjamin's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 401 traditional Medicare patients, billed 79,034 HCPCS/CPT codes, and received $2,056,789 in Medicare payments. The top billing code was 99223 (Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes). Part D data shows 1,835 prescription claims across 225 beneficiaries totaling $12,314,939 in drug costs, led by Xtandi (Enzalutamide). 2023 DME data shows 12 claims. Open Payments data shows 99 records totaling $2,611. 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 $686,811 to $2,056,789. Similarly, Part D prescription costs have moved from a lower plateau to a higher plateau, from $3,929,598 to $12,314,939. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.