About Riordan Medical Institute

Don’t rely on pain management to mask injuries. Explore biologic therapies with a group committed to the most minimally invasive procedures that help the body heal naturally and effectively.

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Dr. Neil Riordan

Neil Riordan, PA, PhD is one of the early pioneers and experts in applied stem cell research. Dr. Riordan founded publicly traded company Medistem Laboratories (later Medistem Inc.) which was acquired by Intrexon in 2013.

Dr. Riordan has published more than 70 scientific articles in international peer-reviewed journals. In the stem cell arena, his colleagues and he have published more than 20 articles on multiple sclerosis, spinal cord injury, heart failure, rheumatoid arthritis, Duchenne muscular dystrophy, autism, and Charcot-Marie-Tooth syndrome.

In addition to his scientific journal publications, Dr. Riordan has authored two books about mesenchymal stem cell therapy: Stem Cell Therapy: A Rising Tide: How Stem Cells Are Disrupting Medicine and Transforming Lives and MSC (Mesenchymal Stem Cells): Clinical Evidence Leading Medicine’s Next Frontier. Dr. Riordan has also written two scientific book chapters on the use of non-controversial stem cells from placenta and umbilical cord.

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Yogesh Mittal, MD

Board-Certified Orthopaedic Surgeon, Fellowship Trained in Adult Hip and Knee Reconstruction, and Orthopaedic Surgery. Also specializes in Total Joint Replacement, Revision Total Joint Arthroplasty, Computer Assisted Surgery, MAKOplasty®, Minimally Invasive Joint Replacement and Arthroscopy, and Regenerative Medicine

Dr. Mittal is a native Texan who grew up in the Dallas/Fort Worth area. After attending Baylor University on a full academic scholarship, he attended one of the best medical schools in the United States, University of Texas Southwestern in Dallas. In medical school he cultivated his growing interest in Orthopaedic surgery, and subsequently accepted a much sought after Orthopaedic residency position at John Peter Smith Hospital in Fort Worth. His desire to perform total joint replacement surgery led him to the highly acclaimed fellowship program at Charlotte Orthopaedic Specialists (now OrthoCarolina) in Charlotte, North Carolina where thousands of joint replacements are performed each year.

In addition to his work at Riordan Medical Institute and The Orthopaedic Center in Tulsa, Oklahoma, Dr. Mittal was instrumental in the adoption of computer navigation and the MAKOplasty® RIO® Robotic Arm with Hillcrest Hospital where he continues to perform surgeries. He has quickly established himself as an innovator and advocate of advanced orthopaedic care with skills in computer navigation, MAKOplasty®, mobile-bearing knee replacements and alternate bearing hip replacements. Dr. Mittal is different from other CAS & MAKOplasty® users in his ability to use the navigation software and RIO® robotic arm to truly customize the hip or knee prosthesis to fit the patient, in terms of sizing, alignment and ligament balancing.

Dr. Mittal has an avid interest in fitness training and sports. In his free time, he enjoys traveling and spending time with his family and friends.

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Image of Rudy Herrera, MS

Rudy Herrera, MD

Dr. Rudy Herrera is an ACGME fellowship-trained, board-certified interventional pain management physician. He obtained his medical degree from the University of Texas Health Science Center at San Antonio. His residency occurred at the highly competitive Family Medicine program at John Peter Smith (JPS) Health Network in Fort Worth.

Following residency, Dr. Herrera was one of four selected into the Sports Medicine Fellowship program at JPS Health Network. He continued his training in interventional pain management in an ACGME accredited pain fellowship that was a joint venture between UT Southwestern Medical Center and JPS Health Network.

In addition to administering stem cell therapy for orthopedic conditions at RMI (spinal discs, knees, hips, and shoulders), Dr. Herrera specializes in the evaluation, treatment and prevention of complex pain syndromes: osteoarthritis, back and neck pain, cancer pain, pelvic and abdominal pain, chronic pain, complex regional pain syndrome (reflex sympathetic dystrophy), fibromyalgia, headaches, neuropathic pain, shingles, phantom limb pain, post herpetic neuralgia and sports related injuries.

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