HAAS Spine & Orthopaedics, Inc. is a multispecialty practice consisting of physicians with expertise in the treatment of spine and orthopaedic disorders.  We are conveniently located in three locations in the cities of Beverly Hills, Glendale, and Rancho Cucamonga. 

Our goal is to provide patient satisfaction by delivering the best quality orthopaedic care possible.
— Dr. Stepan Kasimian

Specialty Training & Expertise

Stepan Kasimian, MD, is a spine surgeon trained in modern techniques for treating disorders of the cervical, thoracic and lumbar spine. His ability to properly diagnose and treat his patients in a compassionate manner is well known in the community. 

Orthopedic Surgery

Our physicians are committed to providing high quality care and is dedicated to meeting individual patient needs. Offering the highest quality of medical attention, our team strives to meet patient goals. Whenever possible, a non-surgical solution to the patient’s spinal disorder is tried first.


Minimally Invasive Spine Surgery

Our providers have extensive experience in treating multiple spine disorders including disc herniations, spinal stenosis, spondylolisthesis, kyphosis, scoliosis, tumors, and spinal trauma in the cervical, thoracic, and lumbar spine. 



Dr. Kasimian was chosen by the Consumers’ Research Council of America as one of the Top Orthopedists throughout the United States.  This prestigious recognition in the "Guide to America's Top Orthopedists" is an honor and his impressive achievements have placed him among the Nation's most excellent. 

Dr. Kasimian has been voted by his peers as a TOP DOCTORS of 2016.  Dr. Kasimian has received this recognition since 2010. 

Dr. Kasimian has been chosen by the Consumers’ Research Council of America as one of the Top Surgeons throughout the United States.  This impressive accomplishment placed him amount the Nation's most excellent surgeons.


I highly recommend Dr. Kasimian. He and his staff made me feel at ease regarding my surgery. He spent the time with me and my wife explaining in detail what the surgery intailed as well as what I would expect for my recovery. I would recommend him and his staff in a heart beat!
— Martin B.
Dr. Kasimian is one of a kind...Dr. Kasimian understood my fear of the treatment but assured me what exactly was the issue in my back and what steps were needed in order to solve this issue.
— Dilma L.