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He is an expert in non-surgical musculoskeletal care and bio-restorative therapies. He also specializes in minimally invasive treatments for osteoarthritis and chronic soft tissue injuries. He looks forward to providing patients with the best possible non-surgical options available to help relieve their pain and feeling like themselves again.

When asked, “What brought you to Colorado to practice regenerative orthopedics?” Dr. O’Donnell laughed and shared, “Short answer: my wife. She’s from Littleton, Colorado. I was working in an orthopedic practice, but as I got deeper into regenerative orthopedics, I discovered I wanted to focus on this area of expertise. During COVID, we reevaluated our future. My wife said, "If we're making a change, I want to move to Colorado. I had connected with Dr. Timothy Mizzola of Breakthrough Regenerative Orthopedics, and after nearly a year of discussions, my wife and I made the move. I had the privilege of working with Dr. Mizzola to establish Breakthrough’s Centennial, CO location and after a little over a year we came to the agreement for me to buy out this location of the practice and we re-opened as Revitalize in November 2024.”

Dr. O’Donnell is originally from West Chester, Pennsylvania, and completed medical school at Philadelphia College of Osteopathic Medicine (PCOM) and residency at Lehigh Valley Hospital in Allentown, Pennsylvania.

Dr. O’Donnell served in the United States Air Force and was named 6th Medical Group Physician of the Year. He completed a sports medicine fellowship at the University of Toledo Hospital in Ohio to further his orthopedic expertise.

Dr. O’Donnell then spent 12 years in Flagstaff, Arizona, specializing in minimally invasive and cutting-edge non-operative treatments. While in Flagstaff, he cared for national and international Olympic Athletes training at high altitudes.  Dr. O’Donnell was previously an adjunct professor at A. T. Still University in Kirksville, Missouri.

In his spare time, he enjoys reading, gardening, and traveling. Dr. Kevin O’Donnell also enjoys staying active. He is an avid sports fan and enjoys both participating in and watching a wide variety of sports. Dr. O’Donnell resides in Highlands Ranch with his wife, Meghan, and three energetic boys, Cole, Ryan, and Jack.

Timothy Taylor, DO, CAQSM, is a dual-board-certified physician in family medicine and sports medicine, helping patients restore movement, relieve pain, and return to the activities they love. At Breakthrough Regenerative Orthopedics in Boulder, Colorado, Dr. Taylor offers advanced non-surgical treatments for joint, muscle, tendon, and ligament injuries, utilizing state-of-the-art techniques such as ultrasound-guided platelet-rich plasma (PRP), prolotherapy, and regenerative injections. His patient-centered approach focuses on promoting natural healing, enhancing function, and helping athletes and active individuals of all levels recover safely.

Dr. Taylor completed his fellowship in primary care sports medicine at Campbell University, where he treated over 500 Division I athletes and served as team physician across multiple sports. He has also provided care for elite competitors, including members of the USA Freestyle Ski Team and professional athletes in combat sports.

In addition to his clinical practice, Dr. Taylor has served as an Associate Clinical Professor at California Health Sciences University and as an Adjunct Professor of Osteopathic Medicine at Campbell University, where he has been recognized for mentoring the next generation of physicians.

Passionate about education, service, and innovation in musculoskeletal care, Dr. Taylor continues to advance regenerative medicine while enjoying family time, outdoor adventures, and DIY projects in his spare time.

Timothy Mazzola, MD, is triple board-certified in family medicine, sports medicine, and musculoskeletal ultrasound. He practices as a non-operative orthopedic and regenerative medicine specialist at Breakthrough Regenerative Orthopedics in Boulder, Colorado. His enduring professional passion is to bring restoration, healing, and hope to those looking to return to the life they love and be the people they are called to be.  

Dr. Mazzola formerly worked as a non-operative orthopedic specialist at Cornerstone Orthopedics for eight years and was a United States Air Force Academy team physician. 

Passionate about teaching, Dr. Mazzola is an assistant clinical professor at the University of Colorado in Boulder, teaching family medicine residents. He is a national expert and highly sought-after physician educator who has taught musculoskeletal and sports ultrasound for many years at the Gulfcoast Ultrasound Institute and Advanced US courses at the American Medical Society of Sports Medicine National Conferences.

As a leader in the field, he recently co-authored a chapter on using ultrasound-guided techniques in regenerative medicine procedures in one of the first textbooks on regenerative orthopedics, titled "Regenerative Treatments in Sports and Orthopedic Medicine," edited by Drs. Malanga and Ibrahim. 

Apart from his passion for bringing restoration and healing to those God sends his way, he is blessed to have recently celebrated 25 years of marriage to his heroic and amazingly compassionate bride. They have been blessed with two amazing sons, each gifted with strength, kindness, brilliance, and leadership. 

In his free time, you may find Dr. Mazzola cranking his bike up a trail, flowing down a mountain through powder, or, if he's lucky, riding great waves with good friends.