Orthotic and Prosthetic Associates

Putting Patients First While Providing the Highest Quality Orthotic & Prosthetic Care

OPA Clinicians

Our orthotists and prosthetists work closely with patients and their doctors to provide the highest quality care.


Stephen Plant (Founder, Owner, Chief Orthotist)

Stephen has been a Certified Orthotist since 1984 and founded Orthotic and Prosthetic Associates in 1999.  His commitment to exceptional patient care and strong professional relationships with doctors and hospitals have been the key to making OPA the preferred choice for orthotic and prosthetic care in southeast Texas. He has fitted braces for many prominent athletes and public figures in the Houston area. Stephen is ABC certified and is licensed by the TDLR.  He is a member of the Texas Chapter of the American Academy of Othotists and Prosthetists and ABC. In his spare time Stephen is an avid hunter and fisherman.


Cesar Soto (Chief Prosthetist)

Cesar has been a Licensed Texas Prosthetist since 2010 after a previous career as a structural engineer.  He has been part of OPA since 2006 and currently serves as Director of Prosthetics.  Cesar holds a degree in Industrial Engineering from Northwestern University. Cesar and his wife Angela have two daughters and one son.  In his spare time Cesar enjoys playing and watching sports, reading and spending time with his family.

Brandon Cook (Pedorthotist)

Brandon has been in clinical practice as a certified pedorthopedist since 1993 and has been with OPA since 2005.  Before joining OPA Brandon was the owner of an orthopedic shoe store.  He is married to “a wonderful woman who takes care of me”  and is the proud father of a University of Houston graduate, a Sam Houston State University graduate and a high school senior.  In his spare time he fishes “a lot”.


Mosissa Ayana (Orthotist)

Mosissa has been a certified orthotist since 2014 and joined OPA in May 2015.  He is a member of ABC and AOPA.

Lee Jones (Prosthetist / Orthotist)

Lee joined OPA in 2014.  He has been a certified orthotist since 2010 and a certified prosthetist since 2013.  In addition to working as a clinician Lee serves as Clinical Manager and Residency director for OPA.  He is a member of the Texas Chapter of the Academy of Orthotics and Prosthetics.


Diana Thomas (Prosthetist / Orthotist)

Diana joined OPA in 2016.  She received her certification as an orthotist in 2013 and as a prosthetist in 2014.  Previously she received a Bachelor Degree in Health Science. Diana is a member of the Texas Chapter of the American Academy of Orthotists and Prosthetists.

Nancy Stinson (Prosthetist/Orthotist)

Nancy joined OPA in 2018. She obtained American Board certification in 1983 and has been  licensed in Texas since 2005 in Prosthetics and Orthotics. She obtained her Bachelor of Science degree in Kinesiology at UCLA with a specialty in Biomechanics. She continued by completing her Orthotics and Prosthetics post graduate studies at Northwestern University Feinberg School of Medicine followed by a residency at Rancho Los Amigos Rehabilitation Hospital. She is a member of the Texas Chapter of the Academy of Orthotics and Prosthetics.   Nancy has experience treating patients in pediatrics, lower extremity prosthetics, lower extremity orthotics, and acute trauma. She has a special affinity for the treatment of plagiocephaly and has lectured on the topic of cranial remolding orthoses.  She spends her spare time working with Technology and golfing.

Susan Howard (Orthotist Assistant)

Susan has been licensed as an orthotist assistant since 2010 and rejoined OPA in 2020.








Kimberly Thomas (Orthotist, Prosthetist)

Kim Thomas joined OPA in 2020. She earned a B. S. from Georgia Tech, and certification in orthotics and prosthetics from CSUDH, before completing her orthotics and prosthetics residencies in Houston, TX. Kim currently holds national certification and Texas state licensure in O&P. Her background and training are predominantly pediatric and neurologically involved patient care.








Cara Stricklin (Prosthetist, Orthotist)

Cara joined OPA in 2021. She completed her Master of Science in Orthotics and Prosthetics at Baylor College of Medicine in Houston, TX. Her residency included rotations at OPA, Children’s Healthcare of Atlanta, and in private practice. Cara is Licensed in the state of Texas, and soon to be Certified by ABC. She is a member of the American Academy of Orthotists and Prosthetists (AAOP).