Physician

Biana M Polak, DO

According to 2025 Medicare claims, Biana Polak, DO (NPI: 1588224307) practices rheumatology in the Lake County, IL market, with the plurality of this provider's patient population coming from Lake, IL. This provider's primary affiliated billing organization is NORTHWESTERN MEDICAL FACULTY FOUNDATION (NPI: 1346235314; TIN: 363097297) and primary practice location at 60045-1687. Polak is affiliated with the Northwestern Medicine Physician Network ACO (ACO ID: A2620), participating under the MSSP model.

Polak's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 221 traditional Medicare patients, billed 26,724 HCPCS/CPT codes, and received $402,572 in Medicare payments. The top billing code was 99205 (New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more). Part D data shows 335 prescription claims across 89 beneficiaries totaling $414,521 in drug costs, led by Xeljanz (Tofacitinib Citrate). 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 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 $3,177 to $414,521. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.