Low T Center Denver (Greenwood Village) CO


5425 Landmark Place
Building D Suite 105
Greenwood Village CO 80111
Phone: (720) 445-5698
Fax: (303) 955-8364

Hours: Mon-Fri 8:30am - 5:30pm

James Franklin Owen Day, M.D.
Dr. Day started his undergraduate career at the University of Indiana where he received his bachelor’s degree in 1963. He attended medical school at the Indiana University School of Medicine and earned a master’s degree in 1967. Dr. Day completed his internship at the University of Texas Medical Branch of Internal Medicine in 1968. He began residency at Saint Joseph Hospital in General Practice and Internal Medicine at the University of Colorado Health Science Center. He continued on with his fellowship at the University of Colorado Health Science Center where he entered Academic Medicine as an Associate Clinical Professor.

James R. Mosby M.D., FACEP
Dr. Mosby attended Howard University in Washington, D.C. and received a Bachelor of Science in Zoology with a minor in Chemistry. He then received his Medical Doctor degree from Indiana University School of Medicine. Dr. Mosby’s residency training was completed at University of Colorado Health Science Center. He has practiced Emergency Medicine for the past 39 years and has been Medical Director of the Emergency Department at Spanish Peaks Regional Health Center in Walsenburg, Colo. for the past five years. Dr. Mosby enjoys participating in medical missions to third world countries, and also enjoys hiking, biking, skiing and quality time with family and friends.

Timothy McCollum, PA-C
T.J. received his Bachelor of Science in Biology from George Mason University. After graduation he worked on ski patrol as an emergency medical technician (EMT) in Colorado. T.J. returned to earn his Bachelor of Science in Nursing from Troy State University and worked as a registered nurse in the emergency department at Children’s Hospital and St. Anthony’s, both in Denver. He then went on to earn his Master’s in Medical Science, and is a certified Physician Assistant. Over the years T.J.’s practice has entailed internal medicine, specializing in geriatrics and trauma care. He is married with two children and enjoys skiing, kayaking and other sports that require sunscreen.