Physician

Hanhsing Irene Wu, MD

According to 2025 Medicare claims, Hanhsing Wu, MD (NPI: 1114034832) practices hematology/oncology in the San Jose-Sunnyvale-Santa Clara, CA market, with the plurality of this provider's patient population coming from Santa Clara, CA. This provider's primary affiliated billing organization is SUTTER BAY MEDICAL FOUNDATION (NPI: 1013950807; TIN: 941156581) and primary practice location at 94040-2833. Wu is affiliated with the Sutter Medicare Direct (ACO ID: A5279), participating under the MSSP model.

Wu's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 864 traditional Medicare patients, billed 229,898 HCPCS/CPT codes, and received $4,896,468 in Medicare payments. The top billing code was 96413 (Administration of chemotherapy into vein, 1 hour or less). Part D data shows 1,015 prescription claims across 215 beneficiaries totaling $1,707,429 in drug costs, led by Tagrisso (Osimertinib Mesylate). 2023 DME data shows 46 claims. Open Payments data shows 1 records totaling $31. 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 moved from a lower plateau to a higher plateau, from $895,845 to $4,896,468. Similarly, Part D prescription costs have moved from a lower plateau to a higher plateau, from $572,261 to $1,707,429. In contrast, DME billing represents a smaller volume and did not follow a clear longitudinal pattern.