Physician

Amy Hsu, MD

According to 2025 Medicare claims, Amy Hsu, MD (NPI: 1346565660) practices geriatric medicine in the San Francisco-San Mateo-Redwood City, CA market, with the plurality of this provider's patient population coming from San Mateo, CA. This provider's primary affiliated billing organization is SUTTER BAY MEDICAL FOUNDATION (NPI: 1013950807; TIN: 941156581) and primary practice location at 94010-3225. Hsu is affiliated with the Sutter Medicare Direct (ACO ID: A5279), participating under the MSSP model.

Hsu's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 43 traditional Medicare patients, billed 149 HCPCS/CPT codes, and received $16,657 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 1,898 prescription claims across 390 beneficiaries totaling $200,237 in drug costs, led by Januvia (Sitagliptin Phosphate). 2023 DME data shows 60 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 fallen sharply in recent years, from $15,626 to $16,657. In contrast, Part D prescription costs have moved sharply higher in recent years, from $902 to $200,237. For DME billing, this smaller-volume category did not follow a clear longitudinal pattern.