Physician
Juliet M Penn, M.D.
According to 2025 Medicare claims, Juliet Penn, M.D. (NPI: 1215175070) practices medical oncology in the Santa Maria-Santa Barbara, CA market, with the plurality of this provider's patient population coming from Santa Barbara, CA. This provider's primary affiliated billing organization is THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (NPI: 1235107566; TIN: 954373071) and primary practice location at 93101-2018. Penn is affiliated with the Aledade A3299 CA MSSP Enhanced (ACO ID: A3299), participating under the MSSP model.
Penn's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 502 traditional Medicare patients, billed 137,509 HCPCS/CPT codes, and received $2,406,765 in Medicare payments. The top billing code was 99204 (New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more). Part D data shows 529 prescription claims across 122 beneficiaries totaling $1,193,328 in drug costs, led by Verzenio (Abemaciclib). 2022 DME data shows 28 claims. Open Payments data shows 7 records totaling $243. 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 $509,906 to $2,406,765. In contrast, Part D prescription costs have risen steadily, from $172,182 to $1,193,328. For DME billing, this smaller-volume category moved up and down with repeated peaks and valleys, starting at $1,686 and ending at $1,784.