Physician
Aaron R Zarnosky, PA
According to 2025 Medicare claims, Aaron Zarnosky, PA (NPI: 1811915721) practices physician assistant in the Grand Rapids-Wyoming-Kentwood, MI market, with the plurality of this provider's patient population coming from Kent, MI. This provider's primary affiliated billing organization is CANCER & HEMATOLOGY CENTERS OF WESTERN MI, P.C. (NPI: 1528018389; TIN: 382777354) and primary practice location at 49546-2379. Zarnosky is affiliated with the POM ACO (ACO ID: A1297) and West Michigan Accountable Care Organization, LLC (ACO ID: A4626), participating under the MSSP model.
Zarnosky's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 162 traditional Medicare patients, billed 17,343 HCPCS/CPT codes, and received $110,911 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 246 prescription claims across 67 beneficiaries totaling $509,982 in drug costs, led by Jakafi (Ruxolitinib Phosphate). Open Payments data shows 86 records totaling $3,820. 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 $12,494 to $110,911. In contrast, Part D prescription costs have fallen sharply in recent years, from $11,191 to $509,982. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.