Implementing discrete event simulation to improve Optometry Clinic operations

As the tempo of military operations slows, Army Medical Facilities are faced with a need to improve the efficiency of their clinics to provide timely service to the growing population of Soldiers who are spending more time at home station. Discrete event simulation was used to examine six scheduling and staffing policies for the Womack Army Medical Center's Optometry Clinic with a goal of increasing the daily patient throughput of the clinic with consideration to patient waiting times. The best policy increased clinic throughput by eight patients a day, generating an additional $314,000 in Relative Value Units (RVUs) annually, while only increasing patient wait times by 26%. As a minimum, increasing the walk-in provider's scheduled patient load by two enables the provider to optimally treat both scheduled and walk-in patients, with a $94,000 annual RVU increase. Implementation of these results will improve clinic performance, revenue, and increase Soldiers' access to care.