Physician

Margaret Sarah Helen Ferris, MD

According to 2025 Medicare claims, Margaret Ferris, MD (NPI: 1477917565) practices neuropsychiatry 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 STANFORD HEALTH CARE (NPI: 1437292927; TIN: 770465765) and primary practice location at 94304-1416.

Ferris' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 221 traditional Medicare patients, billed 972 HCPCS/CPT codes, and received $75,227 in Medicare payments. The top billing code was 99205 (New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more). Part D data shows 899 prescription claims across 139 beneficiaries totaling $306,302 in drug costs, led by Nuplazid (Pimavanserin Tartrate). Open Payments data shows 4 records totaling $529. 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, Part D prescription costs have moved sharply higher in recent years, from $516 to $306,302. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.