Physician

Ainah Uy Tan, M.D.

According to 2025 Medicare claims, Ainah Tan, M.D. (NPI: 1215371810) practices dermatology in the Chicago-Naperville-Schaumburg, IL market, with the plurality of this provider's patient population coming from Du Page, IL. This provider's primary affiliated billing organization is DUPAGE MEDICAL GROUP LTD (NPI: 1801833983; TIN: 36-2657618) and primary practice location at 60137-4464. Tan is affiliated with the DULY HEALTH AND CARE ACCOUNTABLE CARE ORGANIZATION (ACO ID: D0265), participating under the REACH model.

Tan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 714 traditional Medicare patients, billed 2,227 HCPCS/CPT codes, and received $124,658 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 892 prescription claims across 363 beneficiaries totaling $352,589 in drug costs, led by Skyrizi Pen (Risankizumab-Rzaa). Open Payments data shows 11 records totaling $321. 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 $36,132 to $124,658. Similarly, Part D prescription costs have moved sharply higher in recent years, from $11,655 to $352,589. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.