Physician
James M Williams, MD
According to 2025 Medicare claims, James Williams, MD (NPI: 1407849433) practices family practice in the Green Bay, WI market, with the plurality of this provider's patient population coming from Brown, WI. This provider's primary affiliated billing organization is SYNERGY MEDICAL SERVICES LLC (NPI: 1366820904; TIN: 473856235) and primary practice location at 54963-1858. Williams is affiliated with the HSHS ACO, L.L.C. (ACO ID: A2783) and THEDACARE ACO (ACO ID: A4988), participating under the MSSP model.
Williams' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 358 traditional Medicare patients, billed 4,860 HCPCS/CPT codes, and received $377,404 in Medicare payments. The top billing code was 99350 (Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes). Part D data shows 20,914 prescription claims across 704 beneficiaries totaling $1,176,603 in drug costs, led by Eliquis (Apixaban). DME data shows 274 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 has moved from a lower plateau to a higher plateau, from $89,274 to $377,404. Concurrently, Part D prescription costs did not follow a clear longitudinal pattern. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $24,949 and ending at $12,045.