Dr. Collier has been practicing as a pulmonologist at The Lung Center of Nevada since 1995. He also serves as Medical Director of the Desert Sleep Disorders Center and the ICU Director at Complex Care Hospital at Tenaya. He has served on the Board of Trustees at MountainView Hospital for the past 15 years, and was Chief of Staff at MountainView Hospital from 2007-2009.
In June 2015, Comprehensive Cancer Centers of Nevada (CCCN) and The Lung Center of Nevada joined forces creating an entire division dedicated to lung disease and sleep disorders at CCCN.
As part of Lung Center of Nevada, a division of Comprehensive Cancer Centers of Nevada, Dr. Collier treats patients with lung disease and sleep disorders including asthma, emphysema, chronic bronchitis, chronic cough, nicotine dependence, snoring, insomnia and obstructive sleep apnea.
Dr. Collier has written several publications and abstracts and was awarded the Soloman Scholar Excellence in Resident Research award and Rubenstein Presentation Excellence in Original Research award. He has also been named Top Doctor by Vegas Seven and Vegas Inc. Health Care Quarterly.
Dr. Collier was a member of the Internal Medicine Residency Selection Committee, Fellow Representative of the Pulmonary Advisory Committee, Fellow Representative of the Pulmonary Rapp Committee, Chairman of the Housestaff Executive Committee and President of the Housestaff Association at Cedars-Sinai Medical Center.