Dr. Daniel Ocel is a board-certified orthopedic surgeon who joined a division of OCC - Cornerstone Orthopedics & Sports Medicine in 2005. He is fellowship-trained in foot and ankle reconstructive surgery and also practices general orthopedics and sports medicine. His approach centers on compassionate, individualized care tailored to each patient. Dr. Ocel graduated summa cum laude from Creighton University School of Medicine, where he received a Health Professions Scholarship from the U.S. Navy. He completed his orthopedic surgery residency at the University of Illinois in Chicago, earning the Weinstein Award as the outstanding chief resident. Following residency, Dr. Ocel served as head of orthopedic surgery at Naval Hospital Corpus Christi and was awarded the Naval-Marine Corps Commendation Medal for his service. He then moved to Sydney, Australia, to complete a foot and ankle fellowship with Dr. Martin Sullivan, caring for many of the country’s top professional and Olympic athletes. He later completed an additional fellowship with Dr. Robert Anderson at the Miller Clinic in Charlotte, NC. Dr. Ocel is a member of the Colorado Medical Society, American Orthopedic Foot & Ankle Society, and the American Academy of Orthopedic Surgeons. Dr. Ocel is highly rated in 17 conditions, according to our data. His top areas of expertise are Achilles Tendon Rupture, Tendinitis, Synovial Osteochondromatosis, and Flat Feet.

Originally from Minnesota, Dr. David M. Bierbrauer joined Cornerstone Orthopedics and Sports Medicine, a division of OCC, in 2011. He is a board-certified orthopedic surgeon, whose primary interest is in hand and elbow surgery, as well as a secondary interest in trauma care and sports medicine. Dr. Bierbrauer is an active member of the American Academy of Orthopedic Surgery, American Society for Surgery of the Hand, Western Orthopedic Association, and Colorado State Medical Society. Prior to working at Cornerstone Orthopedics, Dr. Bierbrauer graduated Cum Laude with a Bachelor of Arts Degree in Biology and Chemistry from St. Olaf College in Northfield, MN. He attended The Chicago Medical School at Rosalind Franklin University, where he was a Dean’s Award recipient. After medical school, Dr. Bierbrauer completed his residency at the University of Illinois at Chicago Hospital and his fellowship in Hand and Microvascular Surgery at the Christine M. Kleinert Institute in Louisville, KY. In 2011, he worked at Front Range Orthopedics in Colorado Springs from 2005-2011. As the official US Ski Team Physician, he has had the opportunity to travel internationally to France and Canada. Dr. Bierbrauer is highly rated in 12 conditions, according to our data. His top areas of expertise are Rhizarthrosis, Tennis Elbow, Ganglion Cyst, and Trigger Thumb.

Michael Repine is an Orthopedics provider in Boulder, Colorado. Dr. Repine is highly rated in 7 conditions, according to our data. His top areas of expertise are Osteoarthritis, Knock Knees, Baker Cyst, Bowlegs, and Knee Replacement. Dr. Repine is currently accepting new patients.

Lan Chen is an Orthopedics specialist and a Podiatric Surgeon in Lafayette, Colorado. Dr. Chen is highly rated in 4 conditions, according to our data. Her top areas of expertise are Tendinitis, Achilles Tendon Rupture, Tenosynovitis, and Bursitis.

Dr. Possley was born and raised in suburban Chicago and received a bachelor�s degree from Indiana University. He worked his way through graduate school as a carpenter and earned a master�s degree in Physiology from Benedictine University. He attended medical school at Midwestern University�s Chicago College of Osteopathic Medicine where he received a Doctor of Osteopathy.He pursued a career in spine surgery after his brother had a serious neck injury that nearly left him paralyzed. His brother is now a thriving electrician, and Dr. Possley knows the value of good surgical care. However, he also appreciates the value of conservative care.�I strive to get you back to your life with non-operative treatments first. My goal is to help you return to doing the things you love so that you can live the life you deserve.�Dr. Possley felt called to serve after the events of 9-11, and joined the United States Army as an orthopedic surgeon. He completed an orthopedic surgical internship at Brooke Army Medical Center in Fort Sam Houston, Texas and continued his residency training in orthopedics and rehabilitation at the San Antonio Military Medical Consortium; the only US Department of Defense level one trauma center. Dr. Possley was deployed to Bastion Hospital at Camp Leatherneck in Helmand Province, Afghanistan in support of Operation Enduring Freedom. Following his combat experience, Dr. Possley continued his work as an active duty orthopedic surgeon at Carl R. Darnall Army Medical Center in Fort Hood, Texas. During his military service, he fulfilled the roles of Resident Education Director at Carl R. Darnall Army Medical Center; Adjunct Faculty for the Interservice Physician Assistant Graduate Program and Academy of Health Sciences U.S. Army Medical Department Center; Assistant Professor of Surgery at the F. Edward Howard School of Medicine; and as a Consultant to the United States Army Office of the Surgeon General Telemedicine Teleconsultation Program.His wartime experience pushed him to continue his training, and he completed a spine surgery fellowship at William Beaumont Hospital in Royal Oak, Michigan. Board certified, Dr. Possley is a member of many prestigious medical societies, including the American Academy of Orthopaedic Surgeons, North American Spine Society, Orthopaedic Trauma Association, and Society of Military Orthopaedic Surgeons.He now lives in Louisville, Colorado, with his wife, a fellow physician and Colorado native, and their three children. In his free time, he loves to spend time outdoors fly fishing, mountain biking, and camping. Dr. Possley was named one of 2024's Top Doctors by 5280 Magazine. Dr. Possley is highly rated in 3 conditions, according to our data. His top areas of expertise are Spinal Stenosis, Spondylolisthesis, Cervical Spondylosis, Sacral Nerve Stimulation, and Hip Replacement.

Clint Blackwood is an Orthopedics provider in Boulder, Colorado. Dr. Blackwood is highly rated in 1 condition, according to our data. His top areas of expertise are Osteoarthritis, Acute Pain, Tendinitis, Knee Replacement, and Hip Replacement. Dr. Blackwood is currently accepting new patients.

Ian Weber is an Orthopedics provider in Westminster, Colorado. Dr. Weber is highly rated in 1 condition, according to our data. His top areas of expertise are Osteoarthritis, Acute Pain, Tendinitis, Hip Replacement, and Knee Replacement.

Dr. Robert Leland is a board-certified orthopedic surgeon and dual fellowship trained in foot and ankle reconstructive surgery and orthopedic trauma who has practiced in Colorado since 2001. He is one of Colorado’s most experienced Foot and Ankle surgeons and one of the first in the country to perform ankle replacements. Dr. Leland’s treatment centers on thoroughly educating patients about their condition and treatment options so they can best be involved in the decision-making process. He is a member of the Colorado Medical Society, American Orthopedic Foot and Ankle Society and American Academy of Orthopedic Surgeons. Prior to working with OCC, Dr. Leland graduated from the University of Michigan and Wayne State University School of Medicine. He completed his internship and residency training at Wayne State University/Detroit Medical Center. Dr. Leland completed fellowship training in Foot and Ankle Surgery at Baylor College of Medicine in Houston and Orthopedic Trauma at University Carl Gustav Carus in Dresden, Germany. He subsequently returned to Detroit as Chief of Foot and Ankle Surgery in the Department of Orthopedics at Wayne State University and Chief of Orthopedics at the VA Medical Center where he was twice awarded the Teacher of the Year Award. Dr. Leland currently serves as a clinical assistant professor in the Department of Orthopedics at the University of Colorado and received the Colonel Alan Bucknell Award for Teacher of the Year in 2020. Dr. Leland is highly rated in 20 conditions, according to our data. His top areas of expertise are Achilles Tendon Rupture, Poland Syndrome, Multiple Pterygium Syndrome, Amniotic Band Syndrome, and Hip Replacement.

Dr. Thomas Mann is a fellowship-trained sports medicine specialist who joined Cornerstone Orthopedics & Sports Medicine, a division of OCC, in 2000. He is a fellow of The American Orthopedic Society for Sports Medicine, the leading organization for sports medicine in the U.S. Dr. Mann graduated with honors from Jefferson Medical College in Philadelphia, where he was elected to the Alpha Omega Alpha Medical Honor Society. He completed his orthopedic residency at Penn State University, followed by a Sports Medicine Fellowship at Ohio State University, gaining advanced training in arthroscopic surgery and team coverage across multiple sports, including football, soccer, hockey, and gymnastics. His experience includes work with teams such as the Columbus Chill, Hershey Bears, and the U.S. Under-17 Soccer Team during a European tour. Locally, he has provided sideline coverage for Ralston Valley High School Football for over five years. Dr. Mann is also committed to community service, volunteering with Habitat for Humanity, Denver Hands for Hope, and serving regularly as a camp doctor and committee member with Young Life Central Denver. Dr. Mann is highly rated in 10 conditions, according to our data. His top areas of expertise are Tendinitis, Tenosynovitis, Synovitis, and Bursitis.

Dr. Joseph Hsin is a board-certified orthopedic surgeon and has practiced sports medicine and general orthopedics in the Denver metropolitan area for over 25 years. He has functioned as team physician to many levels of competitive athletics and currently serves on the physicians pool for the US Ski and Snowboard Team and the USA Eagles Rugby Team. Dr. Hsin founded Impact Sports Performance, the premier training facility in Colorado which excels at elite sports performance, strength & conditioning, and injury prevention and rehabilitation. Dr. Hsin has been named by 5280 magazine as Denver’s Top Orthopedic Doctor. Dr. Hsin earned a Bachelor of Arts degree in molecular, cellular, and developmental biology from the University of Colorado, Boulder. After receiving his undergraduate degree, he earned a Master of Arts degree in theology with an emphasis in missions from Fuller Theological Seminary in Pasadena, CA. He went on to attend medical school at the University of Colorado School of Medicine in Denver, and completed his orthopedic surgery internship and residency at the University of Colorado Health Sciences Center and Rancho Los Amigos Medical Center in Downey, CA. Dr. Hsin has also founded the Cornerstone Foundation, a non-profit whose mission is to provide the local and global community with orthopedic care and medical education. He has traveled to Uganda as well as to Southeast Asia on numerous occasions in a continuing effort to improve medical care around the globe. Dr. Hsin is highly rated in 5 conditions, according to our data. His top areas of expertise are Osteoarthritis, Frozen Shoulder, Tendinitis, and Bursitis.

Dr. Thomas Eickmann joined Cornerstone, a division of Orthopedic Centers of Colorado, in 2005. As a total joint specialist in hip and knee replacement he does primary hip and knee replacement as well as revisions of the hip and knee. Dr. Eickmann has a history of being an entrepreneur and innovator. He championed barbed suture closure in joint replacement and served on the Angiotech speakers bureau popularizing a now common closure technique. Dr. Eickmann helped design hip and knee replacement implants and some trauma products for Kyocera, a medical device manufacturer. Dr. Eickmann has also designed instruments for Innomed. Dr. Eickmann has had the opportunity to serve as an American Academy of Orthopedic Surgeons moderator and critical evaluator, a member of the Adult Reconstruction Knee Program Committee, and a surgical skills trainer. He was also a reviewer for The Journal of Biomedical Materials Research. He has served as the Medical Director of Joint Replacement at Avista Adventist Hospital and Lutheran Hospital. Dr. Eickmann’s has published multiple research articles on hip and knee replacement. His work appears in journals and textbooks relating to joint replacement. Dr. Eickmann has also used his medical talents to make a difference in the lives of those in need by traveling with Global Health Initiatives’ medical mission teams to Africa and South America. Dr. Eickmann is highly rated in 4 conditions, according to our data. His top areas of expertise are Osteoarthritis, Sciatica, Tendinitis, Hip Replacement, and Knee Replacement.

Dr. Adamson is a fellowship-trained orthopedic surgeon specializing in hip and knee total joint replacement, revision surgery and the management of infected hip and knee replacements. Dr. Adamson has a special interest in minimally invasive direct anterior total hip replacement and robotic assisted knee replacement. He is a candidate member of the American Association of Hip & Knee Surgeons, as well as the American Academy of Orthopedic Surgeons. Dr. Adamson grew up in Central Nebraska. Prior to working at Cornerstone, Dr. Adamson graduated cum laude from Creighton University in Omaha, NE with a Bachelor of Science degree in Exercise Science. He attended medical school at the University of Nebraska Medical Center. Following medical school, he pursued an orthopedic surgery residency at the University of Texas Medical Branch. He was inducted into the Alpha Omega Alpha medical honor society and was awarded orthopedic intern of the year and the Golden Bone Excellence in Teaching Award. Following residency, Dr. Adamson had the opportunity to pursue advanced training in adult joint reconstruction at the University of California at Los Angeles Orthopedic Hospital in Santa Monica. His fellowship training included advanced techniques in reconstruction of the hip & knee. Dr. Adamson has been a reviewer for the Journal of Knee Surgery. Additionally, he conducted research on robotic assisted knee surgery. Dr. Adamson has been on medical mission trips to Mexico and Ecuador. Dr. Adamson is highly rated in 1 condition, according to our data. His top areas of expertise are Osteoarthritis, Bursitis, Tenosynovitis, Tendinitis, and Hip Replacement.

Thomas Fry is an Orthopedics provider in Louisville, Colorado. His top areas of expertise are Distal Median Nerve Dysfunction, Tennis Elbow, Trigger Thumb, and Tendinitis.

Edward Anderson is an Orthopedics provider in Lafayette, Colorado. His top areas of expertise are Spinal Stenosis, Cervical Myelopathy, Infectious Arthritis, Hip Replacement, and Laminectomy. Dr. Anderson is currently accepting new patients.

Lance Little is an Orthopedics provider in Lafayette, Colorado. His top area of expertise is Osteoarthritis.

Julie Melchior is a Hand Surgeon and an Orthopedics provider in Lafayette, Colorado. Her top areas of expertise are Rhizarthrosis, Ganglion Cyst, and Carpal Tunnel Syndrome. Dr. Melchior is currently accepting new patients.

Peter Chiang is an Orthopedics provider in Lafayette, California. His top area of expertise is Osteoarthritis. Dr. Chiang is currently accepting new patients.

George Robinson is an Orthopedics provider in Lafayette, Colorado. His top area of expertise is Osteoarthritis. Dr. Robinson is currently accepting new patients.

Jeffrey Hrutkay is an Orthopedics provider in Lafayette, Colorado. His top area of expertise is Infectious Arthritis.

Kathleen Kollitz is an Orthopedics provider in Lafayette, Colorado. Dr. Kollitz has been practicing medicine for over 17 years. Her top areas of expertise are Arthritis, Carpal Tunnel Syndrome, Synovial Osteochondromatosis, and Ganglion Cyst. Dr. Kollitz is currently accepting new patients.

Nimesh Patel is an Orthopedics provider in Westminster, Colorado. Dr. Patel is highly rated in 2 conditions, according to our data. His top areas of expertise are Osteoarthritis, Acute Pain, Bursitis, Hip Replacement, and Knee Replacement.

Michael Janssen is an Orthopedics provider in Thornton, Colorado. Dr. Janssen has been practicing medicine for over 40 years is highly rated in 2 conditions, according to our data. His top areas of expertise are Invertebral Disc Disease, Spinal Stenosis, Herniated Disk, Microdiscectomy, and Herniated Disc Surgery. Dr. Janssen is currently accepting new patients.

James Rector is an Orthopedics provider in Boulder, Colorado. Dr. Rector is highly rated in 1 condition, according to our data. His top areas of expertise are Osteoarthritis, Tendinitis, Tenosynovitis, Bursitis, and Hip Replacement.

Stephen Paul is an Orthopedics provider in Boulder, Colorado. Dr. Paul is highly rated in 1 condition, according to our data. His top areas of expertise are Osteoarthritis, Tendinitis, Bursitis, and Tenosynovitis.

Dirk Dolbeare is an Orthopedics provider in Boulder, Colorado. Dr. Dolbeare is highly rated in 1 condition, according to our data. His top areas of expertise are Osteoarthritis, Infectious Arthritis, Tendinitis, Knee Replacement, and Hip Replacement. Dr. Dolbeare is currently accepting new patients.