Physician

Patrick Onkka, M.D.

According to 2025 Medicare claims, Patrick Onkka, M.D. (NPI: 1407235518) 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. Onkka is affiliated with the Northwestern Medicine Physician Network ACO (ACO ID: A2620), participating under the MSSP model.

Onkka's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 691 traditional Medicare patients, billed 133,808 HCPCS/CPT codes, and received $1,511,013 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 1,255 prescription claims across 219 beneficiaries totaling $875,261 in drug costs, led by Humira(Cf) Pen (Adalimumab). 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 sharply higher in recent years, from $293,590 to $1,511,013. Similarly, Part D prescription costs have risen steadily, from $3,653 to $875,261. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.