Foothill Ranch Team

Curtis Zakhar, PT, DPT

Clinical Director & Physical Therapist

Curtis received his Bachelors of Science in Biology from the University of California, Irvine in 2009 and then his Doctorate of Physical Therapy in 2012 from Western University of Health Sciences. As part of his graduate course work, Curtis completed clinical rotations in an orthopedic outpatient setting working with patients of various ages, injuries, and ability levels including Olympic athletes. He also gained experience working inpatient rehabilitation at Saddleback Hospital in Laguna Hills. During this time, Curtis was present during numerous orthopedic surgeries including shoulder and hand repairs as well as total knee and hip replacements.

Curtis personalizes plan of care specific to his patients and uses a variety of techniques acquired through his education and experience in clinics over the last six years. He focuses on manual therapy and progressive exercise while implementing current techniques as recognized by the American Physical Therapy Association.

Yvonne Poon, PT, DPT

Physical Therapist

Yvonne started her education at University of California, San Diego where she received her bachelors in biology with a minor in psychology. From there, she pursued a Doctor of Physical Therapy degree from Lynchburg College, VA. While at Lynchburg college, she completed clinical rotations in acute care, pediatrics, and orthopedics.

She particularly enjoys working with orthopedic and geriatric populations. Her passion stems a strong desire to help others restore mobility and return to their daily activities.

Outside of work, she enjoys yoga, cooking, traveling, and spending time with friends and family.

Steven Nguyen, PT, DPT

Physical Therapist

Steven received his Bachelors of Science in Biology from the University of California, Los Angeles in 2014 and then his Doctorate of Physical Therapy in 2019 from West Coast University in Los Angeles. As part of his graduate course work, Steven completed clinical rotations in an orthopedic and neurological outpatient setting working with patients of various ages, injuries, and levels of assistance.

Steven focuses on patient-centered treatment programs and values proper communication in order to ensure quality care. He focuses on movement analysis and progressing exercises in order to help return patients to their lifestyle.

Outside of work, he enjoys personal fitness, playing sports, and rooting for the Lakers.

Vency Leung, PT, DPT

Physical Therapist

Vency graduated from University of California, Davis with a degree in Neurobiology, Physiology, and Behavior. She continued her education at Chapman University to complete her Doctorate of Physical Therapy, where she gained experience in outpatient orthopedic setting working with patients of various ages, diagnoses, and level of function.

Vency aims to create individualized care plans for patients to ensure each treatment caters to their goals, ability level, and learning style.

During her free time, Vency enjoys exploring outdoors, rock climbing and being with friends and family.

Shandra Coenen, PTA

Physical Therapist Assistant

Shandra graduated with honors from Loma Linda University in 2014. Since graduation she has acquired a wide range of Physical Therapy experience, but is particularly passionate about working with the fast paced active population to restore function, and enable her patients to return to the activities they love.

In addition to her clinical experience, Shandra is also currently an instructor at Loma Linda University where she teaches Electrotherapy, Therapeutic Exercise, and Orthopedics for the PTA program.

In her free time, Shandra is an avid sports fan of the Colts, Dodgers, and Lakers, is passionate about her Ford Mustang, personal fitness, and enjoys traveling within the United States and abroad.


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