Physician
A Marc Nielsen, MD
According to 2025 Medicare claims, A. Nielsen, MD (NPI: 1063430122) practices family practice in the Grand Forks, ND-MN market, with the plurality of this provider's patient population coming from Grand Forks, ND. This provider's primary affiliated billing organization is ALTRU HEALTH SYSTEM (NPI: 1043309552; TIN: 450310462) and primary practice location at 58203-2819. Nielsen is affiliated with the Caravan Collaborative Pathways (ACO ID: A4604) and CVS ACO (ACO ID: A5407), participating under the MSSP model.
Nielsen's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 273 traditional Medicare patients, billed 907 HCPCS/CPT codes, and received $58,347 in Medicare payments. The top billing code was G0438 (Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit). Part D data shows 5,736 prescription claims across 327 beneficiaries totaling $414,548 in drug costs, led by Eliquis (Apixaban). DME data shows 225 claims. Open Payments data shows 1 records totaling $18. 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 $22,231 to $58,347. Similarly, Part D prescription costs have moved from a lower plateau to a higher plateau, from $83,349 to $414,548. In contrast, DME billing represents a smaller volume and moved sharply higher in recent years, from $2,522 to $9,685.