Dr. John Mersch, Pediatrics

Dr. Mersch attended medical school at the University of Southern California. He completed both his internship and his residency at the Children’s Hospital of Los Angeles. He performed a fellowship as the pediatric chief resident at Children’s Hospital of Los Angeles. Dr. Mersch is board certified in Pediatrics.

Clinical Interests

Sports Medicine


Southern Orange County Pediatric Associates
777 Corporate Drive, Suite 250
Ladera Ranch, CA 92694
phone: (949) 388-1798
fax: (949) 388-6495


  • Medical School
    University of Southern California-Medical School
  • Fellowship
    Children’s Hospital of Los Angeles
  • Residency
    Children’s Hospital of Los Angeles
  • Internship
    Children’s Hospital of Los Angeles

Special Interests

Sports Medicine

  • John Mersch MD
    • Appointments:
    • Specialty: Pediatrics
    • Board Certified: Pediatrics
    • On Staff at: CHOC at Mission Hospital


SOCPA Pediatrics - A member of the CHOC Network

777 Corporate Drive
Suite 250
Ladera Ranch, CA 92694