Dr. Matthew Delarosa is an orthopedic surgeon who specializes in hand, wrist, and elbow surgery. He provides both surgical and nonsurgical treatment to improve function and reduce pain. He focuses on complex trauma and reconstruction of the upper extremity, wrist surgery and arthroscopy, elbow surgery, targeted muscle reinnervation, elective treatment of nerve compressions and hand arthritis, and injuries to soft tissues including nerves, tendons, and ligaments. Originally from Baton Rouge, LA, Dr. Delarosa completed medical school and orthopedic training at LSUHSC New Orleans. He then further specialized in Hand and Microsurgery at OrthoCarolina in Charlotte, NC under the direction of Dr. Glenn Gaston. In addition to the full spectrum of routine upper extremity problems, a significant portion of his fellowship training concentrated on brachial plexus and complex peripheral nerve injuries. Additionally, he traveled to Florianopolis, Brazil to study under Dr. Jayme Bertelli, an expert in peripheral nerve injuries, brachial plexus injuries, and tendon transfers. He is also interested in improving function of upper extremity amputees through targeted muscle reinnervation (TMR) and the use of a myoelectric prosthesis. Through his work in congenital, brachial plexus, and amputee specialty clinics he has gained a wealth of knowledge on the multidisciplinary approach to patient care. Dr. Delarosa is rated as an Advanced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Tennis Elbow, Rhizarthrosis, Brachial Plexopathy, Thoracic Outlet Syndrome, and Leg or Foot Amputation.

Originally from Seattle, WA, Dr. MacTaggart joined OCC-Cornerstone Orthopedics and Sports Medicine in 2019 after completing advanced training in hand and upper extremity surgery. She specializes in the full range of hand, wrist, and elbow conditions and offers the latest treatments, including fracture care, microvascular surgery, nerve decompression, repair or reconstruction, fusions and replacements, bracing, injections, and arthroscopy. Dr. MacTaggart is an active member of the American Academy of Orthopedic Surgery, the American Society for Surgery of the Hand, and the American Academy of Hand Surgery. Prior to working at OCC-Cornerstone, Dr. MacTaggart graduated summa cum laude with a Bachelor of Science degree in biology from Pacific Lutheran University in Tacoma, WA, where she also played on the women’s soccer team. She attended medical school at The University of Washington, graduating magna cum laude and was nominated to the Alpha Omega Alpha medical honors society. After medical school, Dr. MacTaggart completed her residency training at the University of Washington in Seattle, WA. Following residency, she completed a fellowship in hand and upper extremity surgery at The Philadelphia Hand to Shoulder Center/Thomas Jefferson University in Philadelphia, PA. Dr. Mactaggart is rated as an Advanced provider by MediFind in the treatment of Brachial Plexopathy. Her top areas of expertise are Tennis Elbow, Rhizarthrosis, Ganglion Cyst, and Carpal Tunnel Syndrome.

Dr. Griggs is board-certified in orthopedic surgery and hand surgery. Dr. Griggs completed his medical degree from the University of Louisville in Kentucky. After medical school, he completed his orthopedic residency at Brown University in Rhode Island. Following residency, he completed a hand and micro fellowship at the University of Houston in Texas and an additional shoulder and elbow fellowship at the University of Pennsylvania. Dr. Griggs specializes in surgical and conservative management of injuries and conditions of the shoulder, elbow and hands. This includes fracture care of the clavicle, shoulder, elbow, forearm, wrist and hand, along with trauma and chronic arthritis conditions. Dr. Griggs specializes in arthroscopic shoulder surgery for rotator cuff tears and shoulder instability. Other common conditions he treats are lateral epicondylitis, elbow arthritis and nerve compressions such as carpal tunnel and cubital tunnel. Dr. Griggs specializes in workers’ compensation patients and completed his level II accreditation with the state of Colorado. Dr. Griggs is rated as an Experienced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Ulnar Nerve Dysfunction, Ganglion Cyst, Carpal Tunnel Syndrome, and Rhizarthrosis.

Dr. Karl Larsen is a board-certified, fellowship-trained orthopedic surgeon specializing in hand and upper extremity surgery. He holds the prestigious Certificate of Added Qualification in Surgery of the Hand and has been named a “Top Doc” by Colorado Springs Style magazine for eight consecutive years.He treats a wide range of conditions, including athletic injuries, overuse syndromes, elbow disorders, shoulder fractures, and complex hand trauma. Dr. Larsen earned his medical degree from the Uniformed Services University in Bethesda, Maryland, and completed his orthopedic residency at Wilford Hall Medical Center in San Antonio, Texas, followed by a fellowship in hand and microvascular surgery at the Indiana Hand Center.Dr. Larsen served in the U.S. Air Force and Air Force Reserve from 1989 to 2015, retiring as a Colonel. His military service included roles as a flight surgeon and orthopedic surgeon, leadership positions at the U.S. Air Force Academy, and deployments to Tibet and Iraq. His honors include the Air Force Special Operations Command Flight Surgeon of the Year and USAFA Clinical Surgeon of the Year, along with multiple military decorations. Dr. Larsen is rated as an Experienced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Carpal Tunnel Syndrome, Rhizarthrosis, Osteoarthritis, and Ganglion Cyst.

John A. Wallington, MD, a Cleveland Clinic fellowship-trained interventional spine physician, joined Orthopedic Associates in 2021. He is board-certified in physical medicine and rehabilitation. Dr. Wallington, a native of Ann Arbor, MI, attended the University of Michigan where he graduated Phi Beta Kappa with a degree in biochemistry and was awarded the Perrigo Fellowship to pursue natural products drug research. He obtained his medical degree from the University of Toledo College of Medicine and subsequently pursued a residency in Physical Medicine and Rehabilitation at Beaumont Hospital in Royal Oak, MI, serving as chief resident in his final year. He then pursued a fellowship in spine medicine at Cleveland Clinic where his training focused on non-operative treatment of neck and back pain. Dr. Wallington then practiced in Boston prior to joining Orthopedic Associates. His clinical interest is spine evaluation and treatments including therapies, non-opioid medications, and injection-based therapies including epidurals, radiofrequency ablations, and deep joint injections under fluoroscopic guidance. Dr. Wallington is rated as an Experienced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Coccydynia, Spinal Stenosis, Cervical Spondylosis, and Spondylolisthesis.

Dr. David Weinstein specializes in sports medicine, knee surgery, and shoulder and elbow disorders. He completed fellowship training at Columbia-New York Orthopedic Hospital in New York City in shoulder and elbow reconstruction and an additional fellowship overseas in orthopedic trauma. Dr. Weinstein is a graduate of the University of Colorado School of Medicine, where he remained to complete his orthopedic surgery residency.As associate clinical professor at the University of Colorado Department of Orthopedic Surgery in Denver, Dr. Weinstein is an avid researcher and passionate educator. He has published numerous papers and given lectures relating to his specialties. Dr. Weinstein has held many prestigious positions including head physician for the 2003 US Pan American Games team and the 2004 Athens Summer Olympic Games. He was a team physician for the United States at the 2000 Sydney Summer Olympic Games and the 2002 Salt Lake City Winter Olympic Games. Dr. Weinstein is rated as an Experienced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Tendinitis, Frozen Shoulder, Bursitis, Tenosynovitis, and Endoscopy.

Lt Col Henderson brings over 30 years of distinguished service to the United States Air Force, with a career that spans roles as an enlisted pharmacy technician, cadet, fighter pilot, and orthopedic hand surgeon. After enlisting in 1989, he earned an appointment to the U.S. Air Force Academy, graduating in 1996. He went on to fly the F-15C as a mission commander based out of Kadena AB, Japan, and was awarded the Air Medal for over 100 hours of combat time patrolling the Northern No Fly Zone over Iraq during the events of September 11, 2001.Following his aviation career, Lt Col Henderson pursued medicine, earning his medical degree from the University of Texas Southwestern Medical School in 2006. He completed his orthopedic surgery residency at the Uniformed Health Education Consortium in San Antonio and a fellowship in Hand and Microvascular Surgery at the University of Texas Health Science Center. Since 2012, he has served at the U.S. Air Force Academy, where he has held leadership roles as Chief of Hand Surgery, Chief of Orthopedic Surgery, and Chief of Surgery for the 10th Medical Group. He has also been a dedicated team physician for Academy athletes. Lt Col Henderson’s career is a testament to his deep commitment to service, excellence, and care—hallmarks of both his military and medical professions. Dr. Henderson is rated as an Experienced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Rhizarthrosis, Radial Nerve Dysfunction, Carpal Tunnel Syndrome, Osteoarthritis, and Bone Graft.

Dr. Jed Maslow is an orthopedic surgeon specializing in hand, wrist, and elbow surgery. He earned his medical degree from NYU School of Medicine with a concentration in Quality and Patient Safety, and holds a Master of Science in Clinical Investigation from Vanderbilt University. He completed his orthopedic surgery residency at Vanderbilt University Medical Center and a fellowship in Hand and Microsurgery at the OrthoCarolina Hand and Upper Extremity Center. Previously an Assistant Professor of Orthopedic Surgery at Vanderbilt, Dr. Maslow was actively involved in upper extremity care, research, and medical education. He is a member of several professional organizations, including the American Society for Surgery of the Hand, the American Society for Peripheral Nerve, the American Orthopaedic Association, and the American Association for Hand Surgery. Dr. Maslow has been recognized for his excellence in clinical care and education, receiving the Excellence in Musculoskeletal Clinical Award and being named among the Department of Orthopaedic Surgery’s Top Educators. He has authored numerous peer-reviewed publications and serves as a reviewer for leading journals including Journal of Hand Surgery, HAND, and JAAOS. Committed to high-quality, individualized care, Dr. Maslow uses the latest surgical techniques and technologies to treat a wide range of upper extremity conditions and continually advances his practice through ongoing professional development. Dr. Maslow is rated as an Experienced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Rhizarthrosis, Ganglion Cyst, Scaphoid Non-Union, Carpal Tunnel Syndrome, and Osteotomy.

Dr. Choudhry provides a full complement of upper extremity/hand care from the shoulder to fingertips. A Colorado native, he graduated from Overland High School in Aurora where he was awarded the Bausch & Lomb Science Award for his “Excellent Promise in the Field of Science.” He went on to pursue a Bachelor of Science degree in molecular biology from the University of Denver and graduated Cum Laude. He then attended the University of Colorado Anschutz Medical School where he received the William Winter MD Award for his “Outstanding Performance in Orthopedic Surgery” as a senior medical student. He continued his passion for orthopedics by completing his residency at the University of Cincinnati and affiliated hospitals. As a graduating chief resident he was selected as the recipient of the Peter J. Stern MD award “in recognition for outstanding qualities in professionalism, patient care, and teaching.” He then decided to pursue subspecialty training and completed an Upper extremity/Hand fellowship at Wake Forest Baptist Medical Center in North Carolina. During fellowship he received the Fellow’s Clinical Science Silver Award by the Wake Forest Division of Surgical Sciences for his research on nerve injuries. Dr. Choudhry has several research endeavors that have been presented at national meetings and published in prestigous scientific journals. Dr. Choudhry is rated as an Experienced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Trigger Thumb, Ganglion Cyst, Rhizarthrosis, and Carpal Tunnel Syndrome.

Dr. Ky Kobayashi is a board-certified orthopedic surgeon specializing in conditions affecting the hand and upper extremities. He has a Certificate of Added Qualification in Surgery of the Hand and Sports Medicine. Dr. Kobayashi specializes in hand, wrist, elbow, and shoulder surgery including microvascular surgery, arthroscopy, traumatic reconstruction, and joint replacement. Dr. Kobayashi is a distinguished graduate from the US Air Force Academy and the University of Colorado School of Medicine. He completed his orthopedic residency at the University of Connecticut as well as a fellowship in hand and upper extremity surgery at Tufts Combined Hand Fellowship in Boston, MA. Dr. Kobayashi retired from the United States Air Force in 2014 with many decorations after several deployments to combat zones. He has extensive experience in combat casualty care and reconstruction. He has been staff and assistant program director for the Wilford Hall Air Force Orthopedic Residency Program in San Antonio, TX. He is actively involved in research & education and is an Assistant Professor of Surgery at the Uniformed Services University of Health Sciences in Bethesda, MD. Dr. Kobayashi was elected to serve on the Board of Specialties for the American Academy of Orthopedic Surgeons as well as the Society of Military Orthopedic Surgeons for education.  He has been the team physician for the Air Force Academy sports programs and is currently a consultant for the Olympic Training Center. Dr. Kobayashi is rated as an Experienced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Carpal Tunnel Syndrome, Rhizarthrosis, Trigger Thumb, and Osteoarthritis.

Dr. Davis completed his undergraduate degree with a major in physics and a minor in Spanish at Middlebury College in Vermont. He completed medical school and orthopedic surgery residency at the University of California, Los Angeles. Dr. Davis’ fellowship experience includes hand surgery at the Philadelphia Hand Center, Jefferson University, and shoulder and elbow surgery at Columbia Presbyterian Medical Center and Cornell University Hospital in New York City. Dr. Davis joined Colorado Orthopedics Consultants in 1996. He is a past president of the Rocky Mountain Hand Surgery Society. He is board certified in orthopedic surgery, with added qualification in surgery of the hand. His current memberships include the American Academy of Orthopedic Surgery, the American Society of Surgery of the Hand, the Colorado Medical Society, and the Aurora-Adams County Medical Society. Dr. Davis is rated as an Experienced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Tendinitis, Tenosynovitis, Tennis Elbow, and Ganglion Cyst.

Andrew W. Parker, a board-certified orthopedic surgeon, joined Orthopedic Associates in 1992. Dr. Parker attended Northwestern University Medical School. He completed his internship and residency through Northwestern University Medical School in Chicago before completing a fellowship at Louisiana State University in knee and shoulder sports medicine. Dr. Parker was the head team physician and medical director for the Colorado Avalanche from 1995 through 2017. He also served as a consulting physician for the Denver Nuggets. Dr. Parker is a member of the American Academy of Orthopedic Surgeons, American Orthopedic Society for Sports Medicine, and Arthroscopy Association of North America. He was a member of the National Hockey League Physician’s Society, serving as president from 1992 to 1994 and from 1995 through 2017. Dr. Parker is rated as an Experienced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Tendinitis, Osteoarthritis, Frozen Shoulder, Bursitis, and Hip Replacement.

Dr. Gregg Martyak is a fellowship trained orthopedic surgeon, board certified by the American Board of Orthopedic Surgery (ABOS).  He has a Certificate of Added Qualification in Surgery of the Hand. He specializes in the treatment of injuries to the hand and upper extremity of both adult and pediatric patients, including microvascular surgery, complex nerve injuries, traumatic reconstruction, arthroscopy and joint replacement. Dr. Gregg Martyak is a distinguished graduate of the University of Virginia and Georgetown University. He received his medical degree from Jefferson Medical College and completed his orthopedic surgery residency at the Rothman Institute/Thomas Jefferson University in Philadelphia, PA. He followed this with a fellowship in hand and microvascular surgery at the Philadelphia Hand Center. Dr. Martyak served in the United States Air Force from 2008- 2012 achieving the rank of Lieutenant Colonel. He has extensive experience with combat casualty care with multiple deployments in Iraq and the Middle East. He was a clinical instructor for the combined US Air Force/ US Army combined orthopedic residency program at Brooke Army Medical Center, San Antonio, TX. He is an Assistant Professor of Surgery at the Uniformed Services University of Health Sciences in Bethesda, MD. Dr. Gregg Martyak was part of the team to perform the first hand transplantation at a military facility. Dr. Martyak has continued to care for military patients in Colorado Springs since 2012. Dr. Martyak is rated as an Experienced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Carpal Tunnel Syndrome, Rhizarthrosis, Ganglion Cyst, and Radial Nerve Dysfunction.

Stephen Thon is a Sports Medicine specialist and an Orthopedics provider in Denver, Colorado. Dr. Thon is rated as an Experienced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Tendinitis, Tenosynovitis, Synovitis, Tenotomy, and Shoulder Arthroscopy. Dr. Thon is currently accepting new patients.

Matthew Claussen is a primary care provider, practicing in Family Medicine in Highlands Ranch, Colorado. Dr. Claussen is rated as an Experienced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Generalized Anxiety Disorder (GAD), Insomnia, Erectile Dysfunction (ED), and Persistent Genital Arousal Disorder.

Fraser Leversedge is a Hand Surgeon and an Orthopedics provider in Aurora, Colorado. Dr. Leversedge is rated as an Advanced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Scaphoid Non-Union, Carpal Tunnel Syndrome, Brachial Plexopathy, Bone Graft, and Nerve Decompression. Dr. Leversedge is currently accepting new patients.

James Bainbridge is a Pain Medicine specialist and a Physiatrist in Greenwood Village, Colorado. Dr. Bainbridge is rated as an Advanced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Cervical Spondylosis, Sacroiliac Joint Disease, Spinal Stenosis, and Invertebral Disc Disease.

Matt Gnirke is a Physiatrist in Frisco, Colorado. Dr. Gnirke is rated as an Advanced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Spinal Stenosis, Invertebral Disc Disease, Cervical Spondylosis, and Tendinitis.

Lawrence Goldman is a Physiatrist in Centennial, Colorado. Dr. Goldman is rated as an Advanced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Thoracic Outlet Syndrome and Brachial Plexopathy.

Stephen Annest is a Vascular Surgeon in Denver, Colorado. Dr. Annest is rated as an Advanced provider by MediFind in the treatment of Brachial Plexopathy. His top areas of expertise are Thoracic Outlet Syndrome, Venous Insufficiency, Stasis Dermatitis and Ulcers, Brachial Plexopathy, and Carotid Artery Surgery. Dr. Annest is currently accepting new patients.