About Us

The sports concussion clinic was designed to help athletes, parents, and coaches be better prepared and knowledgable in regards to concussions. The clinic was started in 2012 by Dr. Gregg Hartman and Dr. Dave Sommer. The clinic provides pre concussion baseline testing and post concussion evaluations and treatment for all ages and all sports. 

   Dr. Sommer and Dr. Hartman


Both of our doctors have attended multiple seminars and courses relating to concussion diagnosis and management.  Our doctors are also recognized on the Impact Concussion Website. 


Dr. Sommer is a Doctor of Chiropractic,
Certified Strength & Conditioning Specialist,
Registered Sports Medicine Therapist,
Certified Sports Medicine Trainer, and 
Pro-Sport Certified Physician

He has been the team doctor for Simi High School for ____ Years.  He has been treating concussions since ????


Dr. Hartman is an Orthopedic surgeon who specializes in the management of  sports related injuries.  He is currently the team physician for Royal High School, Simi High School, and La Reina High School. 

Athletic Trainers


The sports concussion clinic provides Athletic Trainers to sites to perform baseline testing as well as on field assessments.  


Athletic Trainers are medical professionals who are required to participate in an in depth sports medicine program and earn at minimum a bachelors Degree.  


Athletic Trainers are trained and specialize in working with physicians to manage and treat concussions.  

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Contact Us

2345 Erringer Rd #210

Simi Valley, CA 93065


Tel: 805-582-0007
Fax: 805-582-0003