Born in Utah, Dr. Montgomery grew up in Orange County. He completed his undergraduate studies at Brigham Young University, and his medical school training at University of California Irvine. He interned and completed his residency at Stanford University Hospital, Stanford, California. Dr. Montgomery fellowship trained in Adult Reconstructive Surgery, as an Aufranc Fellow at the New England Baptist Hospital, Boston.He has been in private orthopedic surgery practice since 1993. He is Board Certified in Orthopedic Surgery and is a Diplomate of the National Board of Medical Examiners. Dr. Montgomery practices general orthopedics with special interests in the fields of sports medicine and arthroscopy, arthritis and joint replacement surgery. Dr. Montgomery is highly rated in 5 conditions, according to our data. His top areas of expertise are Osteoarthritis, Tendinitis, Spinal Stenosis, Hip Replacement, and Knee Replacement.

Dr. Youderian is a board-certified, orthopedic surgeon who specializes in the care and treatment of fractures, arthritis, dislocations and complex injuries or tears of the shoulder, upper arm and elbow. Prior to SCOS, Dr. Youderian practiced for several years in Chicago at the Illinois Bone & Joint Institute.Dr. Youderian is originally from New Jersey. He completed his undergraduate studies at Northwestern University with a degree in biomedical engineering. He graduated with Honors from University of Illinois at Chicago College of Medicine and then remained at the University of Illinois at Chicago for his orthopedic residency. Dr. Youderian then completed a fellowship in orthopedic shoulder and elbow surgery at the Cleveland Clinic in Cleveland, Ohio. Dr. Youderian is highly rated in 4 conditions, according to our data. His top areas of expertise are Frozen Shoulder, Bursitis, Tendinitis, Tennis Elbow, and Shoulder Arthroscopy.

Nader Nassif is an Orthopedics provider in Irvine, California. Dr. Nassif is highly rated in 28 conditions, according to our data. His top areas of expertise are Osteoarthritis, Rhabdomyosarcoma Embryonal, Epithelioid Sarcoma, Hip Replacement, and Knee Replacement.

Richard Lee is an Orthopedics provider in Irvine, California. Dr. Lee is highly rated in 12 conditions, according to our data. His top areas of expertise are Klippel-Feil Syndrome, Spinal Stenosis, Invertebral Disc Disease, Vertebroplasty, and Bone Graft.

David Gazzaniga is an Orthopedics provider in Irvine, California. Dr. Gazzaniga is highly rated in 11 conditions, according to our data. His top areas of expertise are Tendinitis, Bursitis, Achilles Tendon Rupture, and Frozen Shoulder.

Michael Burdi is an Orthopedics provider in Mission Viejo, California. Dr. Burdi is highly rated in 7 conditions, according to our data. His top areas of expertise are Spondylolisthesis, Invertebral Disc Disease, Spinal Stenosis, Microdiscectomy, and Cervical Disc Surgery. Dr. Burdi is currently accepting new patients.

Samuel Park is an Orthopedics provider in Mission Viejo, California. Dr. Park is highly rated in 6 conditions, according to our data. His top areas of expertise are Osteoarthritis, Knock Knees, Tendinitis, Hip Replacement, and Knee Replacement. Dr. Park is currently accepting new patients.

David Ashkenaze is an Orthopedics provider in Laguna Beach, California. Dr. Ashkenaze is highly rated in 5 conditions, according to our data. His top areas of expertise are Osteoarthritis, Sciatica, Invertebral Disc Disease, Hip Replacement, and Microdiscectomy. Dr. Ashkenaze is currently accepting new patients.

Michael Marandola is an Orthopedics provider in Mission Viejo, California. Dr. Marandola is highly rated in 5 conditions, according to our data. His top areas of expertise are Osteoarthritis, Tendinitis, Bursitis, and Tenosynovitis. Dr. Marandola is currently accepting new patients.

Wesley Nottage is an Orthopedics provider in Laguna Hills, California. Dr. Nottage is highly rated in 1 condition, according to our data. His top areas of expertise are Tendinitis, Osteoarthritis, Frozen Shoulder, Shoulder Arthroscopy, and Endoscopy. Dr. Nottage is currently accepting new patients.

Dr. Abraham D. Kim is a fellowship-trained, board-certified, orthopedic joint replacement surgeon specializing in adult reconstruction of the hip and knee, including primary and revision joint replacements. He has expertise in minimally invasive techniques, including direct anterior hip replacement and partial knee replacement. Prior to SCOS, Dr. Kim practiced for several years in Boston.Building upon his surgical interests, Dr. Kim has published extensively on a wide range of innovative topics in orthopedic surgery and joint replacement that have been featured in several leading orthopedic journals. He has also authored several book chapters on revision joint replacement surgery. He has received many academic honors and has been invited to present his research at national and international meetings. Dr. Kim is highly rated in 5 conditions, according to our data. His top areas of expertise are Osteoarthritis, Bursitis, Tenosynovitis, Hip Replacement, and Knee Replacement.

Dr. Zafar S. Khan is a board certified Orthopaedic Surgeon, practicing at Fountain Valley Regional Medical Center. He sub-specializes in Spine Surgery. Dr. Khan graduated from Johns Hopkins University and University of Maryland School of Medicine. He completed his Orthopaedic Surgery residency at the University of Illinois in Chicago. This was followed by a fellowship in Spine Surgery at the prestigious Leatherman Spine Center in Louisville, Kentucky.Dr. Khan has published and spoken numerous times on key and emerging topics in Spine Surgery. He has served as an instructor in Spine Surgery and has participated in the development of numerous implants. Considered an expert in robotic spine surgery, Dr. Zafar Khan instructs other surgeons on its use and application.Dr. Khan has served as Chairman of Surgery at Fountain Valley Regional Hospital and as Chairman of the Quality Review Committee. He has been named a Physician of Excellence in 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017 by the Orange County Medical Association and Orange Coast Magazine. Additionally, Dr. Zafar Khan was awarded, "Top Doctor" in America by Castle Connolly in 2016 and 2017. Dr. Khan is highly rated in 3 conditions, according to our data. His top areas of expertise are Spinal Stenosis, Fractured Spine, Invertebral Disc Disease, Vertebroplasty, and Bone Graft.

Karim Abdollahi is an Orthopedics provider in Laguna Beach, California. Dr. Abdollahi is highly rated in 12 conditions, according to our data. His top areas of expertise are Tendinitis, Carpal Tunnel Syndrome, Ganglion Cyst, and Tenosynovitis. Dr. Abdollahi is currently accepting new patients.

Michael Weinstein is an Orthopedics provider in Newport Beach, California. Dr. Weinstein is highly rated in 11 conditions, according to our data. His top areas of expertise are Invertebral Disc Disease, Spinal Stenosis, Adolescent Idiopathic Scoliosis, Microdiscectomy, and Herniated Disc Surgery.

Michael Fitzpatrick is a Sports Medicine specialist and an Orthopedics provider in Mission Viejo, California. Dr. Fitzpatrick is highly rated in 8 conditions, according to our data. His top areas of expertise are Tendinitis, Frozen Shoulder, Osteoarthritis, Bursitis, and Hip Replacement. Dr. Fitzpatrick is currently accepting new patients.

John Morris is an Orthopedics provider in Mission Viejo, California. Dr. Morris is highly rated in 8 conditions, according to our data. His top areas of expertise are Dupuytren Contracture, Rhizarthrosis, Osteoarthritis, and Trigger Thumb. Dr. Morris is currently accepting new patients.

Hafiz Kassam is an Orthopedics provider in Newport Beach, California. Dr. Kassam is highly rated in 7 conditions, according to our data. His top areas of expertise are Tendinitis, Tennis Elbow, Osteoarthritis, Shoulder Arthroscopy, and Gastric Bypass.

Stephen Gardner is an Orthopedics provider in Mission Viejo, California. Dr. Gardner has been practicing medicine for over 17 years is highly rated in 4 conditions, according to our data. His top areas of expertise are Osteoarthritis, Tendinitis, Bursitis, Tenosynovitis, and Hip Replacement. Dr. Gardner is currently accepting new patients.

Kent Marangi is an Orthopedics provider in Mission Viejo, California. Dr. Marangi is highly rated in 4 conditions, according to our data. His top areas of expertise are Osteoarthritis, Tendinitis, Bursitis, and Tenosynovitis. Dr. Marangi is currently accepting new patients.

Christina Seifert is an Orthopedics provider in Newport Beach, California. Dr. Seifert is highly rated in 4 conditions, according to our data. Her top areas of expertise are Caffey Disease, Infectious Arthritis, Compartment Syndrome, Tenosynovitis, and Hip Replacement.

Payam Farjoodi is an Orthopedics provider in Fountain Valley, California. Dr. Farjoodi is highly rated in 4 conditions, according to our data. His top areas of expertise are Invertebral Disc Disease, Fractured Spine, Spondylolisthesis, Microdiscectomy, and Cervical Disc Surgery.

Larry Gersten is an Orthopedics provider in Laguna Woods, California. Dr. Gersten is highly rated in 2 conditions, according to our data. His top areas of expertise are Osteoarthritis, Toxic Synovitis, Calcium Pyrophosphate Arthritis, Tendinitis, and Hip Replacement.

David Friedberg is an Orthopedics provider in Laguna Hills, California. Dr. Friedberg is highly rated in 2 conditions, according to our data. His top areas of expertise are Caffey Disease, Osteoarthritis, Infectious Arthritis, Frozen Shoulder, and Hip Replacement. Dr. Friedberg is currently accepting new patients.

Kent Adamson is an Orthopedics provider in Mission Viejo, California. Dr. Adamson is highly rated in 2 conditions, according to our data. His top areas of expertise are Osteoarthritis, Tendinitis, Bursitis, and Tenosynovitis.

James Caillouette is an Orthopedics provider in Newport Beach, California. Dr. Caillouette is highly rated in 2 conditions, according to our data. His top areas of expertise are Osteoarthritis, Synovitis, Tenosynovitis, Tendinitis, and Hip Replacement.