Dr. Kent E. Yinger

Dr. Sigurd H. Berven has a strong interest in the care of children and adults with spinal disorders. He has expertise in pediatric and adult deformities, degenerative conditions of the spine, spinal tumors and spinal trauma. In research, Berven is interested in the assessment of outcomes for patients who have orthopedic surgery. He also studies minimally invasive techniques in spinal surgery, and he is exploring cellular and molecular techniques to biologically regenerate components of the spine, including the intervertebral disc. Berven studied human biology as an undergraduate at Stanford University. He was a graduate student in philosophy, politics and economics at the University of Oxford. He received his medical degree from Harvard Medical School and then completed his residency in the Harvard Combined Orthopaedic Residency Program, which provides training at four major city hospitals. Next, he advanced his training in spine surgery as a clinical fellow at UCSF and in pediatric orthopedic surgery as chief resident at Boston Children's Hospital. Often invited to speak at national and international conferences, Berven has lectured on topics including measurement of outcomes in spine surgery, evaluation and management of spinal disorders, and advanced techniques in spinal surgery. Dr. Berven is highly rated in 14 conditions, according to our data. His top areas of expertise are Spondylolisthesis, Scoliosis, Kyphosis, Spinal Fusion, and Osteotomy.

Michael Grafe is an Orthopedics provider in Santa Rosa, California. Dr. Grafe is highly rated in 14 conditions, according to our data. His top areas of expertise are Trigger Thumb, Carpal Tunnel Syndrome, Dupuytren Contracture, and Ganglion Cyst. Dr. Grafe is currently accepting new patients.

Dr. Vedat Deviren is an orthopedic surgeon who specializes in caring for children and adults with spinal disorders. His expertise has led to a wide range of experience on difficult cases involving any part of the spine. He treats spinal deformities such as adult scoliosis, spondylolisthesis (a painful disorder of the lower spine), failed back surgeries and tumors, among other conditions. Deviren completed postgraduate education in orthopedics and traumatology (surgical repair following injury) at Hacettepe University in Ankara, Turkey. At UCSF, he completed fellowship work in spine surgery, training in both patient care and research. As a faculty member at UCSF, Deviren has maintained a passionate commitment to patient care. In his teaching, he focuses on concepts that provide medical students, residents, fellows and international scholars with skills for evaluating and investigating evidence-based patient care, spinal disorder outcomes, biomechanical characteristics of the spine and the application of medical instruments in spinal treatment. Dr. Deviren is highly rated in 13 conditions, according to our data. His top areas of expertise are Lordosis, Kyphosis, Scoliosis, Osteotomy, and Spinal Fusion.