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.
Dr. Chappell’s attention to and treatment of chronic obstructive respiratory functions literally saved my life and my health has continued to improve over the years because of his ongoing care.
Sep-2025
Knowledgeable and experienced. Very compassionate.
Sep-2025
Terrific physician and person
Sep-2025
Always incredibly attentive, observant, and kind. Resolved my persistent cough after multiple doctors did not.
Sep-2025
Very companionate and knowledgeable doctor. Love him.
Sep-2025
I was referred by my E.N.T., to Dr. Chappell. He was amazing!!!
I love his expertise & medical advice.
He did a thorough assessment & testing & quickly had my diagnosis that others couldn’t find. I recommend anyone to go see him. Very seasoned, knowledgeable thorough & professional Dr. that doesn’t push off a lot of medications like most Dr.’s.He’s my kind of Dr.!
His staff was great as well, especially Carmen. She was very helpful & listened, as well.
Thank you Dr. Chappell & your team!
😇❤️
Sep-2025
The all time best Pulmonologist I’ve ever had the privilege to work with, caring for my husband’s Emphysema.
Sep-2025
Excellent care!
Sep-2025
Always easy to contact and great with follow-up. Been with him for years …
Aug-2025
Superb, kind, empathetic and professional doctor.
Aug-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.
Dr. Chappell’s attention to and treatment of chronic obstructive respiratory functions literally saved my life and my health has continued to improve over the years because of his ongoing care.
Knowledgeable and experienced. Very compassionate.
Terrific physician and person
Always incredibly attentive, observant, and kind. Resolved my persistent cough after multiple doctors did not.
Very companionate and knowledgeable doctor. Love him.
I was referred by my E.N.T., to Dr. Chappell. He was amazing!!! I love his expertise & medical advice. He did a thorough assessment & testing & quickly had my diagnosis that others couldn’t find. I recommend anyone to go see him. Very seasoned, knowledgeable thorough & professional Dr. that doesn’t push off a lot of medications like most Dr.’s.He’s my kind of Dr.! His staff was great as well, especially Carmen. She was very helpful & listened, as well. Thank you Dr. Chappell & your team! 😇❤️
The all time best Pulmonologist I’ve ever had the privilege to work with, caring for my husband’s Emphysema.
Excellent care!
Always easy to contact and great with follow-up. Been with him for years …
Superb, kind, empathetic and professional doctor.