Dr. Chambers is a fellowship-trained orthopaedic surgeon specializing in sports medicine and shoulder surgery. He graduated medical school at Columbia University with Honors in 2007 and completed his residency in orthopaedic surgery at UCLA. He returned to New York to complete the prestigious Sports Medicine and Shoulder Surgery Fellowship at the Hospital for Special Surgery, where he was a team physician for the New York Mets baseball team.His mission is to return patients efficiently back to their activities with the best outcomes possible. He is proud to deliver the highest standard of care and commonly treats fellow physicians and their families. He is honored to be recognized as an Orange County Physician of Excellence by the Orange County Medical Association. Dr. Chambers is rated as an Advanced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Tendinitis, Osteoarthritis, Tenosynovitis, Frozen Shoulder, and Shoulder Arthroscopy.

Raafat Mattar is an Anesthesiologist in Garden Grove, California. His top areas of expertise are Muscle Spasms, Cervical Spondylosis, Osteoarthritis, and Sciatica.

Timothy Cheng is an Orthopedics specialist and a Sports Medicine provider in Fountain Valley, California. Dr. Cheng is rated as an Advanced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Osteoarthritis, Tendinitis, Frozen Shoulder, and Bursitis.

Roger Sohn is an Orthopedics provider in Fountain Valley, California. Dr. Sohn is rated as an Advanced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Tendinitis, Frozen Shoulder, Tennis Elbow, and Bursitis. Dr. Sohn is currently accepting new patients.

Michael Shepard is an Orthopedics provider in Orange, California. Dr. Shepard is rated as a Distinguished provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Osteoarthritis, Frozen Shoulder, Tendinitis, and Tennis Elbow. Dr. Shepard is currently accepting new patients.

Daniel Debottis is an Orthopedics provider in Orange, California. Dr. Debottis is rated as a Distinguished provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Osteoarthritis, Frozen Shoulder, Tendinitis, Tennis Elbow, and Hip Replacement. Dr. Debottis is currently accepting new patients.

Joseph Nguyen is a primary care provider, practicing in Family Medicine in Westminster, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Concussion, Rhizarthrosis, Mononeuritis Multiplex, Osteotomy, and Knee Replacement. Dr. Nguyen is currently accepting new patients.

Nahla Salem is a primary care provider, practicing in Family Medicine in Huntington Beach, California. Dr. Salem is rated as an Experienced provider by MediFind in the treatment of Frozen Shoulder. Her top areas of expertise are Acute Cystitis, Otitis, Cellulitis, and Urinary Tract Infection in Children. Dr. Salem is currently accepting new patients.

Christopher Ninh is an Orthopedics provider in Fountain Valley, California. Dr. Ninh is rated as an Experienced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Baker Cyst, Osteoarthritis, Synovitis, Tenosynovitis, and Hip Replacement. Dr. Ninh is currently accepting new patients.

Dr. Jason Grieshober, MD, is a highly accomplished Board-Certified/Fellowship-Trained Sports Medicine and General Orthopaedic Surgeon. Originally from Erie, Pennsylvania, Dr. Grieshober has a stellar academic background. He graduated Magna Cum Laude with a degree in Biology and a minor in Psychology from Clarion University of Pennsylvania. There he was honored as the Banner Holder for the College of Science – a testament to his academic excellence.Continuing his pursuit of excellence, Dr. Grieshober attended medical school at Temple University in Philadelphia. While at Temple, he served as the chapter President of Alpha Omega Alpha (AOA), the national medical honor society.Dr. Grieshober completed his Orthopedic Surgery residency at The University of Maryland Medical Center and R Adams Cowley Shock Trauma Center in Baltimore, Maryland, renowned worldwide for its expertise in trauma care. During his residency, he served as the Administrative Chief Resident. In this role he gained valuable experience covering high school teams and the University of Maryland Terrapins.Following residency, Dr. Grieshober pursued additional subspecialty training in Sports Medicine at the prestigious Kerlan-Jobe Institute in Los Angeles, California. Under the guidance of Dr. Neal ElAttrache, he gained extensive experience in the diagnosis, treatment, and prevention of sports-related injuries. Dr. Grieshober had the privilege of assisting in the care of various professional sports teams. Dr. Grieshober is rated as an Advanced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Osteoarthritis, Bursitis, Tendinitis, Endoscopy, and Shoulder Arthroscopy.

Trieu Tran is an Orthopedics provider in Westminster, California. Dr. Tran is rated as an Advanced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Frozen Shoulder, Osteoarthritis, Tenosynovitis, Tendinitis, and Hip Replacement.

Michael Dao is a primary care provider, practicing in Internal Medicine in Garden Grove, California. Dr. Dao is rated as an Advanced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are High Cholesterol, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

Trong Nguyen is a Sports Medicine specialist and an Orthopedics provider in Fountain Valley, California. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Osteoarthritis, Bowlegs, Tendinitis, Frozen Shoulder, and Hip Replacement.

Dr. Johnson is originally from Minneapolis, MN and completed his undergraduate studies at the Revelle College of the University of California, San Diego. He graduated with a Bachelor of Science degree in Biochemistry/Chemistry finishing Magna Cum Laude and as a member of the Phi Beta Kappa honor society. Subsequently, he earned his medical degree at the University of Pittsburgh School of Medicine, graduating at the top of his class and as a member of the Alpha Omega Alpha honor society. While at Pittsburgh, he developed his desire to pursue a career in Orthopaedic Surgery, while working with world renowned Orthopaedic and Spine Surgeons.He underwent Orthopaedic Surgery residency training at Northwestern University in Chicago, where he was elected Chief Administrative resident. As Chief resident, he helped oversee the entire residency program, and was awarded journal club grants from the Journal of Bone and Joint Surgery/Orthopaedic Research and Education Foundation. He was also awarded a Hark Lectureship grant and served as a team physician for the Chicago Public Schools’ athletic program. Additionally, his position as chief resident earned him the opportunity to work at spring training with the Chicago Cubs. Following residency, he furthered his spine surgery training with a fellowship at the University of California, San Diego under Dr. Steven R. Garfin. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Ankylosing Vertebral Hyperostosis with Tylosis, Fractured Spine, Diffuse Idiopathic Skeletal Hyperostosis, Hip Replacement, and Spinal Fusion.

Robert Grumet is a Sports Medicine specialist and an Orthopedics provider in Orange, California. Dr. Grumet is rated as an Advanced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Osteoarthritis, Frozen Shoulder, Tendinitis, and Bursitis. Dr. Grumet is currently accepting new patients.

Kevin Parvaresh is a Sports Medicine specialist and an Orthopedics provider in Orange, California. Dr. Parvaresh is rated as an Advanced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Tendinitis, Bursitis, Tenosynovitis, Osteotomy, and Endoscopy. Dr. Parvaresh is currently accepting new patients.

Peter Birnbaum is an Orthopedics provider in Anaheim, California. Dr. Birnbaum is rated as an Advanced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Frozen Shoulder, Carpal Tunnel Syndrome, Osteoarthritis, Ganglion Cyst, and Hip Replacement. Dr. Birnbaum is currently accepting new patients.

Eric Lee is an Orthopedics provider in Orange, California. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Osteoarthritis, Bursitis, Bowlegs, and Frozen Shoulder. Dr. Lee is currently accepting new patients.

Nikita Bezrukov is an Orthopedics provider in Orange, California. Dr. Bezrukov has been practicing medicine for over 18 years and is rated as an Advanced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Osteoarthritis, Bursitis, Tendinitis, Tenosynovitis, and Hip Replacement. Dr. Bezrukov is currently accepting new patients.

Ayaz Biviji is an Orthopedics provider in Orange, California. Dr. Biviji is rated as an Advanced provider by MediFind in the treatment of Frozen Shoulder. His top areas of expertise are Bursitis, Osteoarthritis, Tendinitis, Knee Replacement, and Hip Replacement. Dr. Biviji is currently accepting new patients.