
Dr. Byron Patterson is a primary care sports medicine physician who specializes in non-surgical intervention of patients dealing with injuries ranging from acute such as concussion and fracture care-to chronic conditions such as OA and tendinopathies. His goal is to get patients and athletes back to their active lifestyles quickly and as safely as possible.

Michael Peyton, MD is a board-certified Primary Care Sports Medicine Physician with expertise in both adult and pediatric care. He provides comprehensive, non-operative management of musculoskeletal injuries, including fractures, concussions, and overuse conditions, and has a special interest in promoting safe return to activity for athletes and active individuals of all ages.
Dr. Peyton offers pre-participation sports physicals, diagnostic ultrasound evaluations, and advanced ultrasound-guided injections, including corticosteroid, viscosupplementation, and platelet-rich plasma (PRP). He is passionate about using ultrasound as an extension of the physical exam, often taking time to review images with patients and families to help them better understand their diagnosis and treatment options.

Rebecca, PA-C, is a board-certified Physician Assistant with over a decade of experience in pediatric and adult sports medicine. A Los Angeles native, she earned her undergraduate degree from the University of California, Los Angeles, and her Master of Science in Physician Assistant Studies from Western University of Health Sciences. Driven by a deep interest in human anatomy and biomechanics, Rebecca has dedicated her career to the field of sports medicine and non-surgical orthopedics. Since joining the Primary Care Sports Medicine team in 2015, she received extensive training by Dr. Patterson in musculoskeletal conditions including sports injuries, fracture management, and advanced procedures such as ultrasound-guided joint injections. Today, she autonomously manages her own patient panel while continuing to serve as a key clinical partner to Dr. Patterson.

Marie-Claire hails from Orinda, a small town in northern California. She obtained her undergraduate degree in Kinesiology and Psychology at Rice University in Houston, Texas. While there she competed as a D1 athlete in swimming specializing in breaststroke. She returned to California to earn her Master of Physician Assistant Studies at University of the Pacific in Sacramento. This specialized medical program provided Marie-Claire extensive academic and clinical training. During her Orthopedics rotation she assisted in surgeries and further explored her knowledge of anatomy and physiology.

Taryn was born and raised on the Big Island of Hawaii. Growing up, she was a competitive swimmer and water polo player. In addition to being a water lover, she loved watching her friends play sports, but hated seeing the injuries related to participating in sports. Her love for sports and her innate desire to help others led her in the path of physical therapy. She pursued a bachelor’s degree in Kinesiology with an emphasis in physical therapy at San Diego State University. Following graduation, she went on to a joint program at the University of California, San Francisco and San Francisco State University and received both a Master’s and Doctorate of Physical Therapy.

Dr. Freedman is a sports physical therapist and performance specialist with an extensive background in orthopedic and sports science. He earned his Bachelor’s degree in Nutritional Science from the University of Florida, where he competed in Cross Country and Track and achieved All-American honors. Building on his passion for human performance, he went on to complete a Master’s in Physical Therapy from Southeastern University and later earned a PhD in Orthopedic and Sports Science, deepening his expertise in evidence-based rehabilitation and athletic performance optimization.

Kristi was born & raised in the far west suburbs of Chicago, IL. Growing up she loved being active & participating in dance, gymnastics, & golf before switching her focus to volleyball, basketball, and track & field which she competed in competitively throughout junior high & high school. After high school, Kristi attended Augustana College (IL) where she earned her Bachelor’s degree in Biology/Pre-Physical Therapy, competed on both the volleyball and track & field teams as a DIll athlete, participated in intramural basketball, & was a member of the Chi Alpha Pi Sorority. Following graduation, she went on to Washington University in St. Louis School of Medicine where she earned her Master’s of Science in Physical Therapy in 2002. After completing graduate school, Kristi moved back to the far west suburbs of Chicago where she worked at an outpatient orthopedic PT clinic & participated in an adult USA Women’s Volleyball League team, as well as, several indoor & beach volleyball coed teams.

Since 2019, Sabrina Rochelle has worked as a dedicated Physical Therapy Assistant with specialized experience in neurological, pediatric, orthopedic, and sports rehabilitation. She has supported patients of all ages in restoring mobility, strength, and confidence through individualized treatment plans and hands-on care. In addition to her clinical expertise, Sabrina brings over 20 years of experience as an acrobat and martial artist, having toured internationally for competition and performance. This background gives her a unique understanding of body mechanics, injury prevention, and movement optimization, which she integrates into her therapeutic practice. Beyond the clinic, she maintains herself as an avid gardener, drawing inspiration from nature and holistic living to further enrich her approach to health and wellness.

Kiani Reis, a Southern California native, earned a Bachelor’s in Kinesiology with a specialization in Athletic Training from California State University, Northridge. With over ten years of experience in Sports Medicine, Kiani has worked across various athletic programs, including Division 1 schools like Stanford and San Jose State, community colleges, and local secondary schools such as Crespi High School. At Crespi, she was instrumental in directing and implementing medical safety protocols for the athletic department. As an integral member of the healthcare team, she has crafted personalized treatment plans that focus on a holistic approach to patient care and patient education. Her expertise spans advanced recovery tools, ensuring clients receive the best care to optimize recovery and performance.

PCSM’s mission is simple: Developing lasting friendships through excellent care. Our philosophy is not only to treat the ailment but we address the root cause of injuries to prevent future problems. Our doctors are armed with knowledge in various aspects of internal medicine and pediatrics that can be applied to the broad field of sports medicine.
The environment of Primary Care Sports Medicine is unlike most doctors’ offices. The PCSM physicians strive to relate to every patient they treat. Serving Agoura Hills, Tarzana and all of Los Angeles County, the team at PCSM believes that an integral part of care is confidence, trust, and a clear understanding of what is happening inside of each patient’s body. A former athlete, Dr. Patterson knows the value of active lifestyles and the importance of effective treatment and recovery. After one visit, our patients become a member of the Primary Care Sports Medicine Family.
Together since 2012, Primary Care Sports Medicine and Children's Orthopedic Center have created a unique approach to patient care that has been unmatched in the San Fernando Valley. While it's true that most injuries will not require surgical intervention, if the need should arise, we've got you covered. With direct access to renowned surgeons of various specialties, you can rest assured that you or your child will receive the best care that is tailored to their specific needs and you never have to leave the Valley!
CHLA orthopedic physicians specialize in every ailment associated with orthopaedics, including fractures, injuries, spine disorders, neuromuscular weakness, gait abnormalities, tumors, and hip, hand and joint abnormalities.




Dr. Byron Patterson is a team physician for the LAFC and is a lead team physician for the US Mens National Soccer Team. He has also worked closely with the LA Galaxy and United States Olympic Team to treat injuries and ensure optimal health and performance goals for our nation's athletes.

Start your journey today. Request a Consultation
Get in touch