Concussion Care

Today’s athletes are stronger, faster and more likely to suffer a concussion on the field or the court. OSSO provides complete concussion care including the imPACT Concussion Management System.

Orthopedics & Sports Medicine

Whether you’re a weekend warrior, a professional athlete or just an active senior, OSSO is your complete source for orthopedic care and sports medicine.

Family Medicine

Trust your family’s health to the team at OSSO. From diagnosis to treatment of colds and illnesses to wellness exams and more, we’re your family’s total health resource.

Jason M. Leinen, M.D., ATC

Family Care & Sports Medicine

Call for Appointments



  • Concussion Care
  • Family Medicine
  • Sports Medicine

Medical School

University of Oklahoma College of Medicine


University of Oklahoma, Tulsa


Sports Medicine
University of Oklahoma, Tulsa

Board Certifications

American Board of Family Medicine with Certificate of Added Qualifications in Sports Medicine
Certified Athletic Trainer by the National Athletic Training Board of Certification

Dr. Jason Leinen provides complete family medicine and sports medicine care. He is double board certified and can provide athletes with complete pre- and post- injury consultation and assessment. Dr. Leinen is also Oklahoma City’s only Certified ImPACT Concussion Management physician.


  • Complete Family Medicine
  • Specialized Care for Athletes
  • Concussion Care and Prevention
  • Workplace Injuries
  • Personal Injuries

Dr. Leinen accepts most major insurance plans and workers’ compensation.

For appointments call 405.703.3611


Fountain Park Medical Plaza

3110 SW 89th, Suite 102
Oklahoma City, OK 73159

OSSO Midwest City

9060 Harmony Drive
Midwest City, OK 73130

For appointments call 405.703.3611

Patient Forms

Download the OSSO Patient Packet and reduce the time spent in the waiting room.  Simply click download and then print the forms.  Please complete all information to the best of your knowledge.  Bring the completed forms with you to your appointment.  Also, if you have had previous diagnostic studies like an x-ray, MRI, CT Scan, or EKG please bring a copy of the report and the CD containing any images.  This is greatly appreciated and will prevent delays the day of your appointment.

Patient Packet Includes:

  • New Patient Questionnaire Form
  • HIPAA Notice of Privacy Practices
  • Consent for Medication
  • Financial Policy
  • Authorization for Treatment
  • Referral Intake Form
  • Request for Release of Medical Records
  • Health History Form

Click to Download