Physician
Ada I. Arias, M.D.
According to 2025 Medicare claims, Ada Arias, M.D. (NPI: 1306848171) practices critical care (intensivists) 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 ADA I ARIAS MD SC (NPI: 1023017480; TIN: 364199256) and primary practice location at 60622-3043.
Arias' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 375 traditional Medicare patients, billed 2,404 HCPCS/CPT codes, and received $170,418 in Medicare payments. The top billing code was 99222 (Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes). Part D data shows 4,119 prescription claims across 386 beneficiaries totaling $1,141,228 in drug costs, led by Ofev (Nintedanib Esylate). DME data shows 1,500 claims. Open Payments data shows 15 records totaling $346. 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 declined steadily, from $409,063 to $170,418. Concurrently, Part D prescription costs did not follow a clear longitudinal pattern. For DME billing, reported payments moved from a lower plateau to a higher plateau, from $44,549 to $142,138.