Our Mission

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. Learn more about our office and our doctors.

The environment of Primary Care Sports Medicine is unlike most doctors’ offices. The PCSM physicians strive to relate to every patient they treat. The entire PCSM team 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.

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Meet Our Doctors

Byron Patterson, M.D.

Physician | CEO of Primary Care Sports Medicine

Byron was born in Oakland and raised in Berkeley, California. He obtained his undergraduate degree from the University of California Davis with a B.S. in Biological Sciences and was also named All-American in track and field. He then graduated from the UC Davis School of Medicine and went on to complete his residency at the renowned UCLA Medical Center. This training provided him with knowledge in various aspects of internal medicine and pediatrics that could be applied to the broad field of sports medicine.

  • Chief Medical Officer: Los Angeles Football Club (LAFC)
  • Medical Director: Providence Tarzana Hospital, Orthopedic and Sports Medicine Dept.
  • Team Physician: USA Track and Field, Affiliated High Schools
  • Medical Consultant: LA Galaxy, Men’s and Women’s National Soccer Teams
  • Clinical Preceptor: UCLA Residents, CHLA Residents, Northridge Hospital Residents, USC Physician Assistants and Northridge Athletic Trainers
  • Clinical Instructor: Muskuloskeletal Ultrasound

Meet Our Doctors

Jonathan Koretoff, M.D.


Jon is a board certified primary care sports medicine physician that treats all types of active patients. He is a native southern Californian, growing up in Mission Viejo, California. He attended the University of Southern California where he obtained a dual Bachelors degree in Biology and Psychology. Throughout high school, he stayed active in water polo and continued throughout his undergraduate career.

Physician of Los Angeles Football Club

Dr. Byron Patterson is the Chief Medical Officer (CMO) for LAFC and has worked closely with LA Galaxy and the United States Olympic Team to treat injuries and ensure optimal health and performance goals for our nation's athletes.

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