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.
Amazing physician!! Good listener and excellent suggestions for problem.
(3 days ago)
Dec-2025
Dr. Chappell is an amazing physician
who demonstrates his knowledge, experience, and care for his patients.
He is a remarkable doctor and individual.
(3 days ago)
Dec-2025
Caring...Knowledgable...Great Listener
(5 days ago)
Dec-2025
Great doctor
(5 days ago)
Dec-2025
Dr Chappelle is a very good doctor. Always pleasant, gives detailed explanation of the treatment needed. Always friendly and professional.
(1 week ago)
Nov-2025
Enjoyed meeting Dr. very friendly and fun to talk to. Explained my testing results so I could understand the results.
(1 week ago)
Nov-2025
Very personable and thorough. Takes time for his patients.
(2 weeks ago)
Nov-2025
Excellent doctor ! Very friendly. Asked so many questions and explained everything in detail.
(2 weeks ago)
Nov-2025
Dr Chappell is awesome. He genuinely cares about his patients.
(2 weeks ago)
Nov-2025
My first visit I found him very thorough, friendly, and already read my papers to know my problems. He will definitely be my new Pulmonologist.
(2 weeks ago)
Nov-2025
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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.
Amazing physician!! Good listener and excellent suggestions for problem.
Dr. Chappell is an amazing physician who demonstrates his knowledge, experience, and care for his patients. He is a remarkable doctor and individual.
Caring...Knowledgable...Great Listener
Great doctor
Dr Chappelle is a very good doctor. Always pleasant, gives detailed explanation of the treatment needed. Always friendly and professional.
Enjoyed meeting Dr. very friendly and fun to talk to. Explained my testing results so I could understand the results.
Very personable and thorough. Takes time for his patients.
Excellent doctor ! Very friendly. Asked so many questions and explained everything in detail.
Dr Chappell is awesome. He genuinely cares about his patients.
My first visit I found him very thorough, friendly, and already read my papers to know my problems. He will definitely be my new Pulmonologist.