About Us:

California Orthopedic & Micro Surgery Institute (COMSI) treats a full range of bone, joint, muscle, and nerve problems. At California Orthopedic & Micro Surgery Institute, patients will discover a comprehensive, one-stop treatment facility for all ailments related to the bones, joints, muscles, and nerves. The physical therapy and occupational therapy service, state art, are immediately adjacent to the orthopedic clinic service. Our downtown Los Angeles Center is sitting in one of our Southern California Trauma Center Campus, California Hospital Medical Center, gives access to take care of any complex and difficulty Orthopedic and Micro Surgery problems. Our New Orange County Center is friendly setup for immediately ambulance surgery, and urgent care/occupational care service to allow the most efficiency and convenient patient care 24/7.

Additionally, California Orthopedic &Micro Surgery Institute is well renowned in hand and microsurgery service, orthopedic trauma/fracture care, and peripheral nerve injury and repair throughout the world. COMSI helps patients get the best treatment available and give patients access to some of the most prestigious physician and surgeons in the field. 

Our range of services
Hand Surgery Reconstructive Microsurgery Finger/Limb Replantation
Shoulder & Elbow Surgery Fracture and Trauma Care Sports Medicine
Hip Surgery Knee Surgery Foot & Ankle Surgery
Spinal Evaluation Service Worker’s Compensation Injuries Arthroscopic Surgery
Arthritis Diagnosis and Treatment Major Joints Replacement Peripheral Nerve Surgery
Spine Surgery Pain Management Neuro-muscular Electric Physiology (EMG/NCT)
Electrodiaglostic Evaluation Physical & Occupational Rehabilitation


*Stem Cell Cartilage Repair now avaliable, at Downtown location



California Orthopedic Institute




Office Locations:


Los Angeles Downtown:

1513 S Grand Ave, #208

Los Angeles, CA 90015

Tel: (213) 765-8088

Fax: (213) 765-8181

Office Hours:

Monday-Friday 8:30 AM - 5:00 PM



12659 166th St.

Cerritos, CA 90703

Tel: (562) 239-2152

Fax: (562) 229-3088

Office Hours:

Monday-Friday 8:00 AM - 4:00 PM 


Orange County:

1000 S Anaheim Blvd, #300

Anaheim, CA 92805

Tel: (714) 833-5888(714) 833-5888

Fax: (714) 833-5688

Office Hours:

Monday-Friday 8.30 AM-5.00 PM


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