Our Team
James Mawhiney PT, DPT

James is the current owner of Shelley A. Cooper Physical Therapy, and has been practicing there for more than 7 years.  His approach to physical therapy is to consider the person, their goals, and the resources available to meet those goals.  James loves the challenge his profession provides, as well as helping others to succeed in their goals.  James has expertise in orthopedics, joint replacements, posture and body mechanics analysis and training, and sport specific injury prevention, among others.

Roy Burton PT, DPT

Roy received his doctorate in Physical Therapy at Loma Linda University.  Roy is a certified Strength and Conditioning Specialist.  Roy is LSVT Big Certified  and he specializes in orthopedics, sports medicine, manual therapy, vestibular rehabilitation and treating active adults with meaningful and appropriate physical therapy.  Roy is a longtime member of the American Physical Therapy Association and has been practicing physical therapy throughout the Coachella Valley for over 30 years.  

Noe Sariban, PT, DPT, CSCS, Certified DN

Noe received his Doctorate of Physical Therapy from Duke University. He is passionate about manual therapy techniques and is training through the Spinal Manipulation Institute to earn a Diploma in Osteopractic Physical Therapy. Noe has a strong interest in Sports Rehabilitation and getting people back to performing the activities they love the most. He is a Certified Strength and Conditioning Specialist through the NSCA. During his spare time, Noe enjoys playing his favorite sports: basketball, golf, tennis, soccer, and snowboarding. He is also a competitive pickle ball player. 

Natalie Sariban, PT, DPT

Natalie received her Doctorate of Physical Therapy from Duke University. She has over three years of experience as a physical therapist and enjoys helping people improve their mobility, level of activity and quality of life. Natalie is also a registered yoga instructor and enjoys incorporating some yoga based techniques into physical therapy practice as appropriate. Natalie considers each patient as a whole and works with each person towards personal goals and improvement.

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Nicole Youkana, PT, DPT

Nicole was born and raised in Massachusetts and received her Doctorate in Physical Therapy from Boston University. While pursuing her degree she dedicated her time to coaching track and field for Adaptive Sports New England and educating students as an Exercise Physiology Teaching Assistant. She has specialized in outpatient orthopedics since 2015 with focus on injury prevention.
Outside of the clinic Nicole leads an active lifestyle and especially enjoys general strength and conditioning. She brings her knowledge of exercise science and high level of energy to treat patients of all ages and has a passion for promoting wellness for all.

Shelley A. Cooper, PT

My journey as a Physical Therapist and owner of a Physical Therapy practice for 25 years has been fulfilling.  The success of my practice was a result of providing quality care to the patients, improving their quality of life through rehabilitation, caring about people and having a passion for this profession.  I also had the good fortune of having quality employees who helped me to achieve my success.  I will continue to assist patients with a caring heart and great passion.

Dennis Washington, PTA

Dennis completed his PTA studies at Western Institute of Science and Health in Pomona, Ca.  Dennis has enjoyed over 10 years of Physical Therapy practice.  Dennis has a passion for orthopedics, joint replacements, postural  and sport specific injury rehabilitation and prevention.  

Leslie Tyler, PTA

Leslie attended Cal Poly Pomona, graduating in 1986 with a Bachelor’s of Science degree in Physical Education-emphasis in Sports Medicine. Leslie worked as an Athletic Trainer Intern for 3 years at San Bernardino Valley College which lead her to obtaining her PTA license in 1995.  Leslie has worked in an outpatient Physical Therapy setting for over 25 years.

Neele Holzenkaempfer, PT, DPT

Neele Holzenkaempfer is a Northern California native and received her Bachelor of Science from the University of California at Davis in Neurobiology and her Doctorate Degree from the University of Pittsburgh.  In addition to treating general outpatient orthopedics, her interests include treating women’s health, concussions and vestibular as well as sports injuries.  In her free time, Neele enjoys competing in sprint triathlons, hiking in the mountains as well as playing with her dog.

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Andrew Hayes, PT, DPT

Andrew received his Doctorate of Physical Therapy from D’Youville College. Prior to finishing his doctorate he worked as a Physical Therapist Assistant in Upstate New York from 2009 to 2017. He has gone on to specialize in shoulder-related pathology diagnosis and treatment, and is currently in the process of earning his certification as a Champion Performance Specialist. Andrew enjoys sports including soccer and golf; he has a special interest in helping athletes return to their sport with a higher level of performance. 

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Justin Kocan, PT, DPT

Justin's passion for overall wellness, health, nutrition, and fitness propelled him into the field of physical therapy. While attending the University at Buffalo in pursuit of his Doctorate in Physical Therapy, Justin put forth his personal devotion to fitness and his undergraduate education in Exercise Science into aiding athletes and non-athletes alike with personal and group fitness training. Justin strives to provide his patients with a positive customer experience while focusing on a pain-limiting progression toward personal and physical therapy goals.

Our Practice


At Shelley A. Cooper Physical Therapy we take your health personally.  Our team provides top quality, individualized, one on one care with licensed professionals.

Our clinic is conveniently located right off the 10 freeway in Bermuda Dunes.  We have a full staff of qualified therapists and assistants to cater to your health needs.  You will find state of the art equipment for your rehabilitation including cutting edge techniques using specialized massage tools to improve outcomes, help with scar remodeling and increase healing rates. 




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