Physician

Ada Wai Chan, M.D.

According to 2025 Medicare claims, Ada Chan, M.D. (NPI: 1710291687) practices pathology in the Oakland-Fremont-Berkeley, CA market, with the plurality of this provider's patient population coming from Contra Costa, CA. This provider's primary affiliated billing organization is ASSOCIATED PATHOLOGY MEDICAL GROUP, INC (NPI: 1932283264; TIN: 941742737) and primary practice location at 95032-7604.

Chan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 318 traditional Medicare patients, billed 969 HCPCS/CPT codes, and received $35,103 in Medicare payments. The top billing code was 88307 (Pathology examination of tissue using a microscope, moderately high complexity). 2016 Part D data shows 13 prescription claims totaling $1,345 in drug costs. 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 declined steadily, from $51,583 to $35,103. Concurrently, this provider has fewer than 5 years of reported Part D prescription costs data, so a reliable trend cannot be assigned. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.