Corporate Headquarters Tracy

Corporate Headquarters Tracy

1700 N Chrisman Rd
Tracy, CA 95304

209-835-5809 (fax)

Riley Liddell, Director of Orthotics and Prosthetics, CPO, MSOP

  • Certified Prosthetist and Orthotist
  • Master of Science Degree in Orthotics and Prosthetics, California State University, Dominguez Hills
  • Bachelors of Science Degree in Kinesiology and Human Movement Studies, Washington State University, Pullman, Washington
  • Ossur Transtibial Direct Socket Certified
  • Certified Cranial Remolding Specialist
  • Certified in multiple advanced prosthetic technologies
  • Ottobock C-Brace Certified

Jay Hartman, CPO, LPTA  

  • ABC Certified Prosthetist Orthotist  
  • Bachelor of Science in Prosthetics and Orthotics from the University of Washington
  • NCOPE Residency Director

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