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Activity Number: 417
Type: Contributed
Date/Time: Wednesday, August 5, 2009 : 8:30 AM to 10:20 AM
Sponsor: Section on Statistical Consulting
Abstract - #304705
Title: Fitting a Queueing Model for the Registration Process at an Outpatient Clinic
Author(s): Anna Valeva*+ and Farideh Dehkordi-Vakil and Feridun Tasdan
Companies: Western Illinois University and Western Illinois University and Western Illinois University
Address: 1 University Circle, Macomb, IL, 61455,
Keywords: Markov Chain ; M/M/c ; Birth-Death Process ; Outpatient Clinic ; Queueing Model ; Scheduling
Abstract:

This study is about a staff scheduling problem in the registration department of an outpatient clinic at a hospital. The task is to determine the number of staff needed so that 95% of patients do not wait more than 10 minutes. The workflow at the department can be described as a birth-and-death queueing model observing a first-come first-serve protocol. We perform empirical analysis of data collected over a month. Based on this analysis, we fit piecewise the simplest stochastic approximation to the queueing process. The results of the model and suggested staff requirements for the outpatient clinic are presented in the study.

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