COA Member Directory Keywords: Advanced Search Directory View All Listings Sort By:Default Last Name Medical Group City Ronald P. Karzel, M.D. Name Ronald P. Karzel, M.D. Status Active Medical Group SCOI City Valencia Phone 818-901-6600 Subspecialty Knee, Shoulder/Elbow, Sports Medicine, WC Treatment Ronald S. Kvitne, M.D. Name Ronald S. Kvitne, M.D. Status Active Medical Group Kerlan-Jobe Orthopaedic Clinic City Los Angeles Phone 310-665-7216 Subspecialty Knee, Shoulder/Elbow, Sports Medicine Ronald W.B. Wyatt, M.D. Name Ronald W.B. Wyatt, M.D. Status Active Medical Group Permanente Med Group - Ortho Dept. City Walnut Creek Phone 925-378-0690 Subspecialty Sports Medicine Ronna Parsa, DO Name Ronna Parsa, DO Status Semi-Retired Medical Group Parsa Orthopedics & Sports Medicine City Manhattan Beach Phone 424-220-4411 Subspecialty Arthritis, General, Knee, Shoulder/Elbow, Sports Medicine, Total Joint, Trauma, WC Treatment Ronny G. Ghazal, M.D. Name Ronny G. Ghazal, M.D. Status Active Medical Group Arrowhead Orthopaedics City Redlands Phone 909-557-1600 Subspecialty Hand/Wrist, Knee, Shoulder/Elbow, Sports Medicine, WC Treatment Roshan Melvani, M.D. Name Roshan Melvani, M.D. Status Young Orthopedist Medical Group Desert Orthopaedic & Rheumatologic Institute City Victorville Phone 442-242-7334 Subspecialty General, Hip, Knee, Shoulder/Elbow, Sports Medicine, WC Treatment Ross P. Nathan, M.D. Name Ross P. Nathan, M.D. Status Active Medical Group The Hand & Wrist Center City Long Beach Phone 562-424-9000 Subspecialty Hand/Wrist, WC Medical-Legal, WC Treatment Russell M. Nord, M.D. Name Russell M. Nord, M.D. Status Active Medical Group Washington Township Medical Foundation City Fremont Phone 510-248-1040 Subspecialty Arthritis, General, Hip, Knee, Shoulder/Elbow, Sports Medicine, Total Joint Russell S. Petrie, M.D. Name Russell S. Petrie, M.D. Status Active Medical Group Newport Orthopedic Institute City Newport Beach Phone 949-722-7038 Subspecialty Knee, Shoulder/Elbow, Sports Medicine Ruwan P. Ratnayake, M.D. Name Ruwan P. Ratnayake, M.D. Status Young Orthopedist Medical Group Northern CA Spine & Rehabilitation City Sacramento Phone 916-389-7100 Subspecialty Spine ← Previous Next →