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Meet Our Team

Our well-trained and experienced team is focused on providing the highest quality of care ensuring your quick recovery and return to routine activities

  • Steve V. Nguyen, M.D.

    Steve Nguyen, MD, FAAOSJoint Replacement Surgeon and Orthopaedic Surgeon

    Dr. Steve Nguyen is an orthopaedic surgeon with a special interest in joint replacement surgery. He graduated with a Doctor of Medicine degree from Stanford Medical School and a Bachelor of Science from University of California. Dr. Steve Nguyen is extensively trained in joint reconstructive surgery and orthopaedic surgeries including trauma care. Currently associated with Optimotion Orthopaedics, Orlando, FL, he is committed to providing exceptional orthopaedic care to the community in the Orlando.

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  • Nam Dinh, M.D.

    Nam Dinh, MD, FAAOSJoint Replacement Surgeon and Orthopaedic Surgeon

    Dr. Nam L. Dinh is a Board Certified orthopedic surgeon who received his medical degree from Creighton University School of Medicine and graduated with honors. He completed his residency in Orthopedic Surgery at University of Kansas, where he was also a chief resident. He finished his fellowship with advanced training in adult joint replacement and complex hip and knee reconstruction at Mercy Medical Center in Baltimore, MD under the tutelage of highly regarded reconstruction experts, Dr. Marc Hungerford and Dr. Phillip Neubauer.

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  • Sergio Martinez

    Sergio Martinez, DO, AOA, AOAOJoint Replacement Surgeon and Orthopaedic Surgeon

    Sergio Martinez, D.O. is a board certified orthopedic surgeon. Dr. Martinez earned his bachelor’s degree in Psychology with a minor in Chemistry from the University of Miami, Coral Gables. He received a certificate in Biomedical Sciences from the Philadelphia College of Osteopathic Medicine and then received his Doctorate of Osteopathy from the same.

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  • Amanda Rogan, PA-C

    Amanda Rogan, PA-CPhysician Assistant

    Amanda Rogan is a Florida native and was raised in Jacksonville. She completed her undergraduate education at the University of Florida in Gainesville, FL, where she majored in exercise science and graduated cum laude. She received her Master’s degree in Medical Science in Physician Assistant Studies at Nova Southeastern University in Fort Lauderdale, FL, where she received the Dean’s Award for graduating at the top of her class.

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  • Marilyne Etienne

    Marilyne Etienne, PA-CPhysician Assistant

    Marilyne was born in New York but primarily raised in south Florida. She completed her Bachelors degree at Nova Southeastern University in Biology with a minor in Psychology. She then decided to further pursue her Masters in Medical Science of Physician Assistant studies at NSU. It was there during her rotations that she developed a love of Orthopedics and decided to pursue a career in it.

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Our Specialties

We specialize in joint replacement procedures of the hip, knee, and shoulder as well as advanced treatments for any type of orthopaedic emergency

Our Mission

Deliver the best possible outcomes for our patients in the shortest amount of time. Recruiting high quality surgeons, honing our skills, perfecting our protocols we believe allows us to deliver consistent uniform high quality care.


News Optimotion Orthopaedics
Optimotion Orthopaedics

Coming soon to the Villages

Optimotion Orthopaedics is proud to announce we are opening another office location in The Villages. The grand opening date is May 3, 2021. For your convenience, we will be available; Monday-Friday 8:00 AM thru 5:00 PM. Call and schedule your visit today!

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