Who We Are


Dr. Dan LaPerriere (Dr. Dan) is a Board Certified Family Medicine Physician and one of the few medical doctors in Colorado who is a Certified Functional Medicine Practitioner.

He is also a trained practitioner in the Bredesen protocol for reversing cognitive decline.

Dr. Dan has a passion for working collaboratively with his patients and providing them with support and education. Seeing his patients’ health and energy improve brings him joy as does working with them to prevent future illnesses/problems.

His interest in functional medicine grew out of his experience working in the conventional medical system. He began his career working in rural medical clinics and emergency rooms and was frustrated that he did not have the time or framework to truly help people address their chronic health issues or achieve optimal health.

He found the Institute of functional medicine back in 2010 when searching for other ways to help his patients achieve better outcomes. This discovery changed the trajectory of his career and reignited his passion for medicine. Since then he has immersed himself in functional medicine and nutritional education. He desires to help patients attain a true vitality in life.

This April 2017 he completed his coursework and testing through the Institute for Functional Medicine and received his official Certification in Functional Medicine from them. He is excited to have opened Front Range Functional Medicine where he can dedicate 100% of his focus to treating patients with a functional medicine approach.

He lives in Louisville, CO with his wife Melissa and their three children. When not working he enjoys family time, travel, and running.

Dr. LaPerriere continues to work in rural Colorado Emergency rooms where he keeps his acute care medical skills honed.

Dr. Dan received his Bachelors of Science in Biochemistry from Rutgers the State University of New Jersey in 1998. He attended medical school at the University of Medicine and Dentistry of New Jersey – Robert Wood Johnson attaining his MD in 2002. He then did a family medicine internship and residency at Rose Hospital in Denver Colorado from 2002-2005.


Registered Dietitian, Board Certified Sports Dietitian, Owner of Kore+ Nutrition Consulting Karrie is passionate about helping clients identify underlying causes of illness or imbalance and to help them heal through food. Karrie’s twenty-plus years of clinical expertise spans a wide variety of issues such as blood sugar management, digestive disorders, food allergies, food sensitivities, cardiac health, thyroid issues, and sports nutrition. Her “one size does NOT fit all” approach listens to one’s unique set of needs, and honors this individuality when offering realistic recommendations and guidance. This philosophy makes it possible for Karrie to empower and engage clients so they not only reach their goals, but THRIVE, PERSEVERE, and EXCEED in sport and in life! She’s honored to have consulted the United States Army 10th Special Forces Group, the Colorado Avalanche, Toronto Maple Leafs players, several junior soccer, volleyball, and hockey clubs, as well as hundreds of others who have made a commitment to their health. In her spare time you’ll find her playing outside, at the hockey rink, experimenting in the kitchen, or getting revenge on her teenagers’ ears after years of music lessons, as she herself learns the fiddle.