Physician
Anna Chang, M.D.
According to 2025 Medicare claims, Anna Chang, M.D. (NPI: 1942313770) practices geriatric medicine in the Oakland-Fremont-Berkeley, CA market, with the plurality of this provider's patient population coming from Alameda, CA. This provider's primary affiliated billing organization is UNIVERSITY OF CALIFORNIA SAN FRANCISCO (NPI: 1164512851; TIN: 943281657) and primary practice location at 94143-2204.
Chang's data goes back to 2015 and runs through 2024. Part D data shows 43 prescription claims across 21 beneficiaries totaling $3,452 in drug costs. Open Payments data shows 7 records totaling $28,713. 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. 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.