Dr. Gregory Macchio, Anesthesiology

Dr. Macchio is a board certified anesthesiologist who provides care for infants and children undergoing anesthesia at CHOC at Mission Hospital in Orange County.


26522 La Alameda 370
Mission Viejo, CA 92691
phone: 949-600-7864


  • Anesthesia & Critical Care Residency
    University of Chicago Medical Center
  • Critical Care Medicine Fellow Ship
    National Institutes of Health
  • Internship
    Northwestern University Medical Center
  • Medical School
    Northwestern University School of Medicine

  • Gregory Macchio MD
    • Appointments:
    • Specialty: Anesthesiology
    • Board Certified: Anesthesiology Critical Care
    • On Staff at: CHOC at Mission Hospital