Celina de Borja, M.D. is a pediatrician with special training in sports medicine who cares for children and young adults with a wide variety of musculoskeletal conditions with the Division of Pediatric Orthopedics at the University of California San Francisco's (UCSF) Benioff Children’s Hospital. She completed her pediatric residency through Hackensack Meridian Health at Jersey Shore University Medical Center, then completed a fellowship in sports medicine through Harvard Medical School at Boston Children's Hospital. During her fellowship in Boston, Dr. de Borja served as team physician for the women's field hockey and basketball teams at Northeastern University and for the football team at Newton South High School; she was also a consulting physician for Boston Ballet School and Boston Conservatory at Berklee College of Music. At UCSF, she has been an active medical volunteer with RunSafe and PlaySafe programs, serving at various sporting events in the Bay Area.