Physician

Akinwunmi Oni-Orisan, MD

According to 2025 Medicare claims, Akinwunmi Oni-Orisan, MD (NPI: 1831414770) practices neurosurgery in the Oxnard-Thousand Oaks-Ventura, CA market, with the plurality of this provider's patient population coming from Ventura, CA. This provider's primary affiliated billing organization is PACIFIC CENTRAL COAST HEALTH CENTERS (NPI: 1811662380; TIN: 770447575) and primary practice location at 93030-3722. Oni-Orisan is affiliated with the CommonSpirit ACO I (ACO ID: A2164) and Ascension Care Management Health Partners Wisconsin, LLC (ACO ID: A5329), participating under the MSSP model.

Oni-Orisan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 458 traditional Medicare patients, billed 1,423 HCPCS/CPT codes, and received $307,740 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 38 prescription claims across 21 beneficiaries totaling $2,918 in drug costs. Open Payments data shows 32 records totaling $1,718. 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 sharply higher in recent years, from $45,547 to $307,740. In contrast, Part D prescription costs started with an early spike, then settled into a lower baseline, moving from $352 to $2,918. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.