COA Member Directory Keywords: Advanced Search Directory View All Listings Sort By:Default Last Name ↓ Medical Group ↑ Medical Group City Samuel R. Rosenfeld, M.D. Name Samuel R. Rosenfeld, M.D. Status Active Medical Group Adult and Pediatric Ortho Specialists City Orange Phone 714-633-2111 Subspecialty Pediatrics, Spine David M. Ashkenaze, M.D. Name David M. Ashkenaze, M.D. Status Active Medical Group Advanced Orthopaedic Specialists City Laguna Beach Phone 949-499-8226 Subspecialty General, Hip, Knee, Pediatrics, Spine, Total Joint Ryan Morgan, M.D. Name Ryan Morgan, M.D. Status Active Medical Group Adventist Health City Glendale Phone 612-505-0550 Vahan Cepkinian, M.D. Name Vahan Cepkinian, M.D. Status Active Medical Group Adventist Health City Glendale Phone 818-547-0608 Subspecialty Arthritis, General, Hip, Knee, Sports Medicine, Total Joint, Trauma Amber L. Chatwin, M.D. Name Amber L. Chatwin, M.D. Status Active Medical Group Adventist Health Clear Lake City Clearlake Phone 707-995-4518 Subspecialty General, Knee, Sports Medicine, Total Joint Joseph M. Grant, M.D. Name Joseph M. Grant, M.D. Status Active Medical Group Adventist Health Northern California Spine Institute City Sonora Phone 925-963-4374 Subspecialty Spine, WC Treatment Kevin Charles Booth, M.D. Name Kevin Charles Booth, M.D. Status Active Medical Group Adventist Health Northern California Spine Institute City Sonora Phone 209-536-5089 Subspecialty Spine, WC Treatment Nancy Maureen Lynch, M.D., MBA Name Nancy Maureen Lynch, M.D., MBA Status Active Medical Group Advisorthopaedics Inc. City San Mateo Phone 650-393-5411 Subspecialty Hand/Wrist Alan M. Hirahara, M.D. Name Alan M. Hirahara, M.D. Status Active Medical Group Alan Hirahara, M.D. City Sacramento Phone 916-732-3000 Subspecialty Knee, Shoulder/Elbow, Sports Medicine Laura W. Hatch, M.D. Name Laura W. Hatch, M.D. Status Active Medical Group Alban-Wertheimer Orthopedic Group City Long Beach Phone 562-493-4499 Subspecialty General, WC Treatment ← Previous Next →