Physician

Simon Edwin Roselaar, MD

According to 2025 Medicare claims, Simon Roselaar, MD (NPI: 1689626632) practices cardiology in the Appleton, WI market, with the plurality of this provider's patient population coming from Outagamie, WI. This provider's primary affiliated billing organization is ASCENSION MEDICAL GROUP-FOX VALLEY WISCONSIN, INC (NPI: 1831890177; TIN: 391127163) and primary practice location at 54913-8517. Roselaar is affiliated with the THEDACARE ACO (ACO ID: A4988) and Ascension Care Management Health Partners Wisconsin, LLC (ACO ID: A5329), participating under the MSSP model.

Roselaar's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 952 traditional Medicare patients, billed 9,458 HCPCS/CPT codes, and received $254,498 in Medicare payments. The top billing code was 78452 (Nuclear medicine studies of heart muscle at rest and with stress and spect). Part D data shows 4,705 prescription claims across 736 beneficiaries totaling $1,053,070 in drug costs, led by Eliquis (Apixaban). Open Payments data shows 21 records totaling $472. 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 $68,520 to $254,498. Similarly, Part D prescription costs have moved sharply higher in recent years, from $106,868 to $1,053,070. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.