Physician

An Gao Leung, M.D.

According to 2025 Medicare claims, An Leung, M.D. (NPI: 1982042404) practices geriatric medicine in the New York-Jersey City-White Plains, NY-NJ market, with the plurality of this provider's patient population coming from Queens, NY. This provider's primary affiliated billing organization is NORTH SHORE-LIJ MEDICAL PC (NPI: 1053688572; TIN: 113506359) and primary practice location at 11030-3816. Leung is affiliated with the Northwestern Medicine Physician Network ACO (ACO ID: A2620) and Northwell Health ACO (ACO ID: A3030), participating under the MSSP model.

Leung's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 236 traditional Medicare patients, billed 847 HCPCS/CPT codes, and received $74,592 in Medicare payments. The top billing code was 99223 (Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes). 2020 Part D data shows 21 prescription claims totaling $1,055 in drug costs. 2018 DME data shows 11 claims. 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 risen steadily, from $16,965 to $74,592. In contrast, Part D prescription costs have fallen sharply in recent years, from $5,765 to $1,055. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.