Physician

Peter L Wisniewski, MD

According to 2025 Medicare claims, Peter Wisniewski, MD (NPI: 1922157593) practices internal medicine in the Lexington Park, MD market, with the plurality of this provider's patient population coming from Calvert, MD. This provider's primary affiliated billing organization is CALVERT INTERNAL MEDICINE GROUP PA (NPI: 1174682298; TIN: 521365400) and primary practice location at 20678-3492.

Wisniewski's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 825 traditional Medicare patients, billed 13,732 HCPCS/CPT codes, and received $444,279 in Medicare payments. The top billing code was 99213 (Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more). Part D data shows 10,326 prescription claims across 659 beneficiaries totaling $1,256,003 in drug costs, led by Eliquis (Apixaban). DME data shows 497 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 risen steadily, from $63,248 to $444,279. Similarly, Part D prescription costs have moved sharply higher in recent years, from $581,680 to $1,256,003. In contrast, DME billing represents a smaller volume and moved sharply higher in recent years, from $33,923 to $22,481.