Physician

Marcus Johannes Geer, MD

According to 2025 Medicare claims, Marcus Geer, MD (NPI: 1164872537) practices hematology in the Grand Rapids-Wyoming-Kentwood, MI market, with the plurality of this provider's patient population coming from Montcalm, MI. This provider's primary affiliated billing organization is REGENTS OF THE UNIVERSITY OF MICHIGAN (NPI: 1881626265; TIN: 386006309) and primary practice location at 48109-5000. Geer is affiliated with the POM ACO (ACO ID: A1297), participating under the MSSP model.

Geer's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 69 traditional Medicare patients, billed 408 HCPCS/CPT codes, and received $36,839 in Medicare payments. The top billing code was 99215 (Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more). Part D data shows 209 prescription claims across 39 beneficiaries totaling $84,820 in drug costs, led by Acyclovir (Acyclovir). Open Payments data shows 1 records totaling $60. 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, Part D prescription costs have moved sharply higher in recent years, from $4,102 to $84,820. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.