Physicians and Faculty Members

Please click below to learn more about our faculty members:

Spine Surgery

Dr. Nitin Bhatia, a Board-Certified and Fellowship-trained spine surgeon, serves as Chief of the Spinal Surgery service and co-Director of the Multidisciplinary Spine Program at UC Irvine.

Research - Skeletal Muscle Adaptation

Dr. Vicent Caiozzo’s current research interests are focused on 3 key aspects of skeletal muscle: i) the mechanistic role of contractile and regulatory proteins in muscle mechanics; ii) the mechanistic basis of muscle plasticity; and iii) the application of the first two pursuits to clinically relevant pathologies.

Post-Trauma Reconstruction/Ilizarov Surgery

Dr. Stuart Green is an orthopaedic surgeon whose subspecialty interest deals with post-trauma limb reconstruction, including non-unions, malunions, shortening and post-trauma infections of bones and joints.

Shoulder, Elbow & Hand Surgery

Dr. Ranjan Gupta’s practice is limited to care of the shoulder, elbow, and hand. He has a particular interest in arthritis and minimally invasive shoulder surgery. Other areas of focus include treatment of fractures, degenerative conditions, compressive neuropathies, distal radius malunions, and brachial plexus injuries.

Foot and Ankle Surgery

Dr. Andrew Hsu is a fellowship trained Orthopaedic foot and ankle surgeon who provides comprehensive nonsurgical and surgical approaches for the treatment of foot and ankle disorders.  Dr. Hsu has strong interests in sports-related injuries, arthroscopy of the foot and ankle, cartilage restoration, arthritis, total ankle replacements, deformity correction, diabetic reconstructive surgery, bunion and claw toes, dance medicine, and fractures about the foot and ankle.

Hand Surgery & Reconstructive Microsurgery

Dr. Neil Jones has unparalleled experience in reconstruction of children's hand deformities with microsurgical Toe-to-Hand Transfers and complex Microsurgical Reconstruction of the forearm, wrist, and hand.

General Orthopaedics & Spine Surgery

Dr. Douglas Kiester does major spinal reconstruction including spinal stenosis, scoliosis, tumors, complex revision surgery, and trauma. He is also an expert in microsurgery.

Orthopaedic Trauma Surgery & Surgical Hip Preservation

Dr. Learned is a fellowship trained orthopaedic trauma surgeon. He specializes in the treatment of new fractures as well as nonunions and malunions. Other areas of interest are fractures of the pelvis and acetabulum, periprosthetic fractures and complex peri-articular fractures. Email:

Spine Surgery

Dr. Yu-Po Lee specializes in the treatment of spinal disorders.  His areas of interest include degenerative conditions such as disc herniations, spinal stenosis, spondylolisthesis, and degenerative scoliosis.  He also treats tumors and performs complex revision surgeries.

Hip and Knee Arthroplasty

Dr. William McMaster specializes in the medical and surgical management of afflictions of the hip and knee including Osteoarthritis, Rheumatoid arthritis and post traumatic arthritis.

Spine Surgery

Dr. Charles Rosen has been in practice for 22 years and is an expert in the diagnosis of spinal problems. His specialty in spinal surgery is in patients with spinal degeneration, suffering from herniated discs, spinal stenosis, instability and all the other consequences of this in the neck and lumbar spine.


Dr. Scolaro is a fellowship trained orthopaedic traumatologist. He specializes in the treatment of acute fractures as well as nonunions and malunions. Other areas of interest are fractures of the pelvis and acetabulum, periprosthetic fractures and complex peri-articular fractures.

Hip and Knee Arthroplasty

Dr. So is a fellowship-trained orthopaedic surgeon who specializes in joint replacement for the treatment of hip and knee arthritis. He also treats patients with meniscal injuries of the knee, tears of the patellar and quadriceps tendons, avascular necrosis of the hip, fractures of the proximal femur, infected hip and knee replacements, as well as fractures around joint replacements.

Dr. Stitzlein is a fellowship-trained orthopaedic oncologist who specializes in the treatment of both adult and pediatric benign and malignant bone & soft tissue tumors, including pelvic and extremity sarcomas and metastatic bone disease.


Dr. Martin Tynan specializes in skeletal trauma, non-unions, mal-unions, and periprosthetic fractures.

Sports Medicine

Dr. Dean Wang is a fellowship-trained orthopaedic sports medicine surgeon who specializes in sports-related musculoskeletal injuries of the knee, shoulder, hip, and elbow. His clinical expertise includes advanced minimally invasive arthroscopic procedures and reconstructive surgery of these joints.