CHOC Providers
O’Loughlin, Sarah J. MD
Specialty:
Pediatrics
Dr. Sarah O'Loughlin is a board certified pediatrician and sees patients at CHOC Hospital in Orange.
Ohanian, Kirk L. MD
Specialty:
Radiology
Appointments: 714-771-8360
Dr. Ohanian is board certified in radiology and treats kids and teens at in Orange County.
Okada, Norichika A. MD
Specialty:
Anesthesiology
Appointments: 714-560-1580
Dr. Okada is a board certified anesthesiologist who provides care for infants and children undergoing anesthesia at CHOC Hospital.
Okawachi, David H. DDS
Specialty:
Dentistry
Appointments: 714-635-1170
Dr. David Okawachi is a pediatric dentist who treats kids and teens in Orange County.
Olaya, Joffre E. MD
Specialty:
Neurosurgery
Appointments: 714-509-7070
Dr. Joffre Olaya specializes in neurosurgery. He sees kids and teens at CHOC Hospital in Orange and CHOC at Mission Hospital.
Olaya, Windy A. MD
Specialty:
Plastic Surgery
Appointments: 714-564-9225
Dr. Olaya is a board certified plastic surgeon who treats kids and adolescents. Dr. Olaya has privileges at CHOC.
Olson, Douglas DMD, MS
Specialty:
Craniofacial Orthodontics
Dr. Douglas Olson is a craniofacial orthodontist who treats children and teens in Orange County.
Ontiveros, Eric B. MD
Specialty:
Anesthesiology
Appointments: 714-560-1580
Dr. Ontiveros is a board certified anesthesiologist who provides care for infants and children undergoing anesthesia at CHOC Hospital.
Openshaw, Kurt L. MD
Specialties:
Radiology, Vascular & Interventional Radiology
Appointments: 714-771-8171
Dr. Openshaw is board certified in radiology and vascular/interventional radiology at CHOC.
Openshaw, Lori L. MD
Specialty:
Pediatrics
Appointments: 949-951-5437
Dr. Openshaw is board-certified in pediatrics and is a member of the CHOC Primary Care Network who treats kids and teens in Orange County.
Osmanski, Laura PMHNP
Specialty:
Psychiatry
Office: 714-509-7290
Laura Osmanski is a Psychiatric Mental Health Nurse Practitioner (PMHNP) and a member of the CHOC Specialists who treats kids and teens in Orange County.
Otanez, Oscar MD
Specialty:
Pathology
Appointments: 949-364-7710
Dr. Otanez is a board certified pathologist who identifies diseases in kids and adolescents at CHOC.
Oza, Dushyant MD
Specialty:
Neonatology
Office: 714-509-4373
Dr. Oza is a board certified neonatologist who provides comprehensive care for critically ill premature and full-term infants in Orange County.
