George B. Batten, M.D.

As a resident of the Tri-Valley since 1986, one of the greatest pleasures of my practice has been taking care of patients and then having them return with other members of their families. Referrals from past patients have been a gauge by which I have judged how good a job we are doing. It has been enjoyable watching my individual and group practice grow along with our community.  READ MORE >>

 
Kambiz Behzadi, M.D.

Dr. Behzadi treats people of all ages, with special emphasis on high school, college and recreational athletes as well as the injured worker. His first goal is to provide appropriate and individual care for each patient who comes through the door, tailoring a care plan that is suited to each patient's individual needs.  READ MORE >>

 
Alexandra M. Burgar, M.D.

As the newest member of the Tri-Valley Orthopedic team, Dr. Burgar treats conditions affecting the bones, muscles, nerves and tendons of the hand, wrist and arm up to the shoulder. She performs arthroscopy and microvascular surgery for a wide range of problems, including fracture care, congenital disorders in infants, carpal tunnel problems in adults, and sports-related injuries for all ages.  READ MORE >>

 
Roger D. Dainer, D.O.

Dr. Dainer joined the Tri-Valley Orthopedic group in 1990, after 10 years of U.S. Naval Service.   As a Board-certified Orthopedic Surgeon, he treats patients with a wide range of musculoskeletal problems.  He has developed a special interest and expertise in arthroscopic reconstructive surgery of the shoulder and knee.  He is also a highly respected Qualified Medical Evaluator/Agreed Medical Evaluator (QME/AME), with considerable experience in evaluation and treatment of Workers’ Compensation injuries.  READ MORE >>

 
Gregory Horner, M.D.

As the leader of Tri-Valley Orthopedic Specialists’ hand surgery team, Dr. Horner   treats conditions affecting the bones, muscles, nerves and tendons of the hand, wrist and arm up to the shoulder. He performs arthroscopy and microvascular surgery for a wide range of problems, including fracture care, congenital disorders in infants, work injuries including carpal tunnel problems in adults, and sports-related injuries for all ages.  READ MORE >>

 
David J. Jupina, M.D.

Dr. Jupina joined the Tri-Valley Orthopedic group in 1998. In addition to his busy orthopedic and sports medicine practice, he is currently team physician for our local Foothill High School athletes, and Orthopedic Surgery Consultant to the Federal Correctional Institution in Dublin, CA. He performs surgery at both ValleyCare hospitals (in Pleasanton and Livermore) as well as at San Ramon Regional Medical Center.  READ MORE >>

 
Robert H. Malstrom, M.D.

Dr. Malstrom is a Board-certified Orthopedic Surgeon specializing in surgery and medical treatment of the shoulder, knee and hip.  His practice focuses on these key areas: Sports Medicine and Arthroscopic Surgery, Major Knee Ligament Repair and Reconstruction. Major Joint Replacement and Extremity Rehabilitation. Cartilage Regeneration of the Knee (through Autologous Chondrocyte Implantation [ACI]).  READ MORE >>

 
Kenneth G. Venos, M.D.

Dr. Venos, a Board-certified surgeon, treats patients with a wide range of orthopedic (musculoskeletal) and sports medicine problems. He has a special interest in problems of the lower extremities, including the hip, knee, ankle and foot, related to trauma, sports injuries, and complications of diabetes mellitus. Dr. Venos has special expertise in reconstructive surgery for problems related to stroke, head and spinal cord injury, and for complications related to amputations and trauma of the upper and lower extremity. READ MORE >>