Dr. Timothy Chappell , M.D. graduated from the University of Nebraska College of Medicine Summa Cum Laude and moved to Dallas for postgraduate training. He did his internship and residency in Internal medicine and a fellowship in Pulmonary Medicine at UT Southwestern. He then was appointed to the faculty of UT Southwestern Medical School as an Assistant Professor of Medicine. Dr. Chappell established his practice in Plano in 1985.
Dr. Timothy Chappell , M.D. graduated from the University of Nebraska College of Medicine Summa Cum Laude and moved to Dallas for postgraduate training. He did his internship and residency in Internal medicine and a fellowship in Pulmonary Medicine at UT Southwestern. He then was appointed to the faculty of UT Southwestern Medical School as an Assistant Professor of Medicine. Dr. Chappell established his practice in Plano in 1985.
The reviews listed below were collected independently of Collin County Pulmonary Associates through rater8. Each review represents an authentic and verified patient experience.
Very thorough
Very Good listener
Very Good communicator
(4 days ago)
Feb-2026
Seeing Dr. Chappell is always a great experience.
(1 week ago)
Feb-2026
Excellent care !
(1 week ago)
Feb-2026
Love the attention and the time
(2 weeks ago)
Feb-2026
Very personable and asked questions to get my history. Appreciated the kindness shown.
(2 weeks ago)
Feb-2026
Such a kind, encouraging, professional doctor! Listens, and gives the best advice.
(2 weeks ago)
Feb-2026
Always exceptional
(2 weeks ago)
Jan-2026
The best.
(2 weeks ago)
Jan-2026
Was kind and listened to everything I had to say and took my concerns seriously. He had read records they were given ahead of time and read the records I brought and came up with a game plan of more thorough testing that other doctors didn't ever think to do. He was not rushed.
(2 weeks ago)
Jan-2026
Dr. Chappell is an excellent doctor, great listener, and very thorough.
(3 weeks ago)
Jan-2026
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Collin County Pulmonary Associates
1101 Raintree Circle Suite 100, Twin Creeks Medical Building Two Allen, TX 75013
Dr. Timothy Chappell, M.D. graduated from the University of Nebraska College of Medicine Summa Cum Laude and moved to Dallas for postgraduate training. He did his internship and residency in Internal medicine and a fellowship in Pulmonary Medicine at UT Southwestern. He then was appointed to the faculty of UT Southwestern Medical School as an Assistant Professor of Medicine. In addition to teaching at Parkland and clinical research at the medical school, he also served as Medical Director of Respiratory Care and Assistant Chief of Pulmonary at the Veterans Administration Medical Center in Dallas.
Dr. Chappell’s research at the Medical School has been published in numerous professional journals and he has been an invited lecturer for prestigious organizations such as the American Thoracic Society, the American Federation of Clinical Research, the American Heart Association and the American Lung Association.
Dr. Chappell established his practice in Plano in 1985. He has been the Medical Director of Respiratory Care at Collin College since 1990 and a member of the Texas Medical Board since 2016.
Very thorough Very Good listener Very Good communicator
Seeing Dr. Chappell is always a great experience.
Excellent care !
Love the attention and the time
Very personable and asked questions to get my history. Appreciated the kindness shown.
Such a kind, encouraging, professional doctor! Listens, and gives the best advice.
Always exceptional
The best.
Was kind and listened to everything I had to say and took my concerns seriously. He had read records they were given ahead of time and read the records I brought and came up with a game plan of more thorough testing that other doctors didn't ever think to do. He was not rushed.
Dr. Chappell is an excellent doctor, great listener, and very thorough.