Anthony T. Yeung, M.D.


Orthopedic Spine Surgeon

Curriculum Vitae

Dr Anthony Yeung is a board certified Orthopedic Spine Surgeon who specializes in diagnosing and treating the causes of back pain and sciatica from painful degenerative conditions of the lumbar spine, particularly herniated discs, bulging discs with annular tears, and foraminal stenosis. His techniques have proven to be very effective in relieving both back and leg pain, elusive to many spine specialists because his technique targets and visualizes the pain generator with his endoscope, using imaging as a guide, but confirming the pain source with diagnostic and therapeutic injections. He is the first to use endoscopically guided lasers and is the developer of the FDA approved Yeung Endoscopic Spine System (YESS™).

Christopher A. Yeung, M.D.

Christopher Yeung, MD

Orthopedic Spine Surgeon

Curriculum Vitae

Dr. Christopher Yeung is a board certified, fellowship trained orthopedic spine surgeon, with a special interest in minimally invasive spine surgery techniques with a philosophy of choosing the least invasive yet most effective method to treat spine problems. He has been the principal investigator in many FDA studies, including Flexicore lumbar artificial disc replacement, Cervicore cervical artificial disc replacement, and DASCOR total nucleus replacement.

Justin S. Field, M.D.

Justin Field, MD

Orthopedic Spine Surgeon

Curriculum Vitae

Dr. Field is a board certified, fellowship trained orthopedic spine surgeon. Dr. Field has specialized training in minimally invasive spine surgery and motion sparing technologies, such as cervical and lumbar Artificial Disc Replacement, as well as non-fusion stabilization. In addition he has extensive training in adult deformity correction and treatment.

Nima Salari, M.D.


Orthopedic Spine Surgeon

Curriculum Vitae

Dr. Nima Salari is a fellowship trained Orthopedic Spine Surgeon with specialized training in the operative and non-operative treatment of pathologic conditions affecting the spine, including degenerative disk disease, scoliosis and other deformities, infections, and tumors. He has an interest in minimally invasive, tissue sparing approaches and image guided technologies in the management of spinal disorders.

Lisa Crimaldi, RN, MSN, FNP-C, CNRN

Lisa Crimaldi

Nurse Practitioner

Ms. Crimaldi is a Certified Family Nurse Practitioner with additional specialized certification in neuroscience (brain and spinal cord), and has been with the DISC group since 2006. She graduated summa cum laude with a Masters of Science / Nurse Practitioner degree from the University of Phoenix. Ms. Crimaldi brings over a decade of experience in neuroscience, intensive care, and administrative and clinical trauma specialties.

Chad White, MS, PA-C

Chad White, PA-C

Physician Assistant

Mr. White has extensive clinical and surgical experience in orthopedics and spine surgery, having practiced since 1998. He graduated with his Masters Degree from the Arizona School for Health Sciences.

As a previous quarterback at ASU and the Arizona Rattlers, Mr. White enjoys helping professional athletes and the weekend sports enthusiast get back to living an active life. When not working, he enjoys the outdoors, piano, sports, and time with family.

Share to Facebook Share to Twitter Share to Linkedin