Physician

Anna Pfenniger, M.D.

According to 2025 Medicare claims, Anna Pfenniger, M.D. (NPI: 1912346248) practices cardiac electrophysiology in the Chicago-Naperville-Schaumburg, IL market, with the plurality of this provider's patient population coming from Cook, IL. This provider's primary affiliated billing organization is NORTHWESTERN MEDICAL FACULTY FOUNDATION (NPI: 1346235314; TIN: 363097297) and primary practice location at 60611-2908. Pfenniger is affiliated with the Northwestern Medicine Physician Network ACO (ACO ID: A2620), participating under the MSSP model.

Pfenniger's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 236 traditional Medicare patients, billed 527 HCPCS/CPT codes, and received $45,606 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 120 prescription claims across 37 beneficiaries totaling $65,783 in drug costs, led by Eliquis (Apixaban). Open Payments data shows 3 records totaling $246. 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 risen steadily, from $5,696 to $65,783. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.