Dr. Katherine M.Nielsen, Critical Care

Dr. Nielsen is board certified and sees patients at CHOC Children’s Hospital in Orange.


CHOC Children’s Specialists, Critical Care
1201 W La Veta Ave
Orange, CA 92868
phone: 714-509-8620
fax: 714-509-4072


  • Medical School
    University of Arizona School of Medicine, Tucson, AZ

  • Katherine M. Nielsen MD
    • Office: 714-509-8620
    • Specialty: Pediatrics
    • Board Certified: Pediatrics
    • On Staff at: CHOC Children's Hospital