Physician
Aaron J Defrang, DO
According to 2025 Medicare claims, Aaron Defrang, DO (NPI: 1689886608) practices family practice 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 SPECTRUM HEALTH PRIMARY CARE PARTNERS (NPI: 1235188673; TIN: 381358164) and primary practice location at 49341-7524. Defrang is affiliated with the West Michigan Accountable Care Organization, LLC (ACO ID: A4626), participating under the MSSP model.
Defrang's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 110 traditional Medicare patients, billed 589 HCPCS/CPT codes, and received $41,406 in Medicare payments. The top billing code was G0439 (Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit). Part D data shows 5,395 prescription claims across 423 beneficiaries totaling $580,932 in drug costs, led by Trulicity (Dulaglutide). DME data shows 24 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 did not follow a clear longitudinal pattern. Concurrently, Part D prescription costs have moved from a lower plateau to a higher plateau, from $239,891 to $580,932. In contrast, DME billing represents a smaller volume and moved from a higher plateau to a lower plateau, from $7,655 to $2,409.