Physician

Ann Bich Nguyen, MD

According to 2025 Medicare claims, Ann Nguyen, MD (NPI: 1629208988) practices advanced heart failure and transplant cardiology 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 UNIVERSITY OF CHICAGO (NPI: 1821048786; TIN: 36-2177139) and primary practice location at 60637-1447. Nguyen is affiliated with the UCMCNACO, LLC (ACO ID: A3531), participating under the MSSP model.

Nguyen's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 974 traditional Medicare patients, billed 1,582 HCPCS/CPT codes, and received $65,853 in Medicare payments. The top billing code was 99215 (Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more). Part D data shows 582 prescription claims across 113 beneficiaries totaling $1,071,103 in drug costs, led by Tyvaso Dpi (Treprostinil). Open Payments data shows 18 records totaling $961. 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 did not follow a clear longitudinal pattern. Concurrently, Part D prescription costs have risen steadily, from $971 to $1,071,103. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.