To amend title XVIII of the Social Security Act to provide for patient protection by establishing safe nurse staffing levels at certain Medicare providers, and for other purposes.

Registered Nurse Safe Staffing Act of 2015 Amends title XVIII (Medicare) of the Social Security Act to require each Medicare participating hospital to implement a hospital-wide staffing plan for nursing services furnished in the hospital. Requires the plan to require that an appropriate number of registered nurses provide direct patient care in each unit and on each...