Welcome to Our Practice

Plano, TX

On behalf of all the professionals at Collin County Pulmonary Associates, Drs.Chappell and Betz want to welcome you to our practice.   

This website is designed to connect you to the practice as easily and directly as possible.  It provides details about the scope of our expertise and workings of the office.   We hope you find it helpful and informative.  

Collin County Pulmonary Associates has been serving Plano and the greater Collin County area for over 30 years.  Started in 1985 by Dr. Timothy Chappell as a solo practice, Collin County Pulmonary Associates was formed in 1994 with the addition of Dr. Timothy Betz.  We specialize in the diagnosis and treatment of a wide range of pulmonary disorders including COPD, bronchitis, pneumonia, asthma, lung cancer, sarcoidosis, pulmonary fibrosis and many others.  In addition, we diagnosis and treat obstructive sleep apnea and other related sleep disorders.         

Along with our skilled and dedicated staff, we pride ourselves on timely diagnosis and comprehensive treatments while keeping you fully informed.  We think this is the level of medical attention and care you need and deserve.  We look forward to helping you preserve a lifetime of good pulmonary health.