Physician

Shashima Nakahara, M.D.

According to 2025 Medicare claims, Shashima Nakahara, M.D. (NPI: 1437474103) practices cardiology in the Longview-Kelso, WA market, with the plurality of this provider's patient population coming from Cowlitz, WA. This provider's primary affiliated billing organization is PEACEHEALTH (NPI: 1720056187; TIN: 910564987) and primary practice location at 98632-2310. Nakahara is affiliated with the OHSU Health Clinically Integrated Network (ACO ID: A4901) and PeaceHealth Direct Contracting LLC (ACO ID: D0152), participating under both the MSSP and REACH models.

Nakahara's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,250 traditional Medicare patients, billed 2,160 HCPCS/CPT codes, and received $58,424 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 3,748 prescription claims across 660 beneficiaries totaling $949,534 in drug costs, led by Eliquis (Apixaban). 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 moved up and down with repeated peaks and valleys, starting at $14,942 and ending at $58,424. Concurrently, Part D prescription costs have risen steadily, from $3,656 to $949,534. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.