Dr. Shook is a board-certified Family Nurse Practitioner. She has been a nurse for over 29 years. She earned her master’s degree at University of Colorado, Colorado Springs through Beth El School of Nursing and her Doctor of Nursing Practice through Frontier Nursing University. Her nursing experience includes 10 years in Obstetrics and 7 years in Hospice homecare. She has over 11 years’ experience as an NP which includes family practice at the Air Force Academy, urgent care with UC Health, Centura and the Army Premier Clinic. She has been providing acute care house calls in Summit County for the last 6 years.

Les Shook NP-C is a board-certified Family Nurse Practitioner with over 11 years’ experience in emergency and ICU nursing. He earned his master’s degree at University of Colorado, Colorado Springs through Beth El School of Nursing. As a Nurse Practitioner, Les has over 12 years’ experience in Urgent Care with UC Health and Centura. He has been providing acute care house calls in Summit County throughout his career as an NP. Les is also a Major in the Air Force Reserves serving on the Critical Care Air Transport Team. He has led several medical training exercises through the Air Force and Army.

Lisa Roberts NP-C is a board-certified Family Nurse Practitioner. Lisa brings extensive experience which includes 35 years as an ER/trauma nurse and 2 years as a critical care flight nurse. She earned her master’s degree from South University in Savannah, GA. Lisa has been providing acute care house calls with us for a year. Her knowledge, experience, compassion, and dedication to providing the highest quality of care has made her a true asset to our team and our patients. 

Dr. Gray MD is a Board-Certified emergency room physician with 39 years’ experience. He has been an expert in Altitude Medicine and resident of Breckenridge for over 17 years. Dr. Gray started High Altitude Mobile Physicians as he saw a need for an alternative to waiting hours in an emergency facility and spending an enormous amount of money to be seen for something that could easily and safely taken care of in the home. His caring and vast knowledge makes him a great asset to his patients. In the winter, you will find him on the slopes snow biking daily. He continues to provide support to the practice through his wealth of knowledge and experience. 

Dr. Gray Vanderkooi, D.O. is the daughter of Dr. David Gray. She is a graduate of Rocky Vista University Medical School. She graduated from the University of Colorado Boulder with a bachelor’s degree in Integrative Physiology.  Kayla is completing her emergency medicine residency training at CHRISTUS Health-Texas A&M in Corpus Christi, TX. Kayla has spent countless hours training with High Altitude Mobile Physicians as well as with Ebert Family Clinic in Summit County. Kayla’s professional interests include global medicine and emergency medical services.