CHOC Providers
O’Loughlin, Sarah J. MD
Specialty:
Pediatrics
Dr. Sarah O'Loughlin is a board-certified pediatrician and sees patients at CHOC Children's 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 CHOC Children's 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 Children's.
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 Children's Hospital in Orange and CHOC Children's 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 Children's.
Olson, Douglas DDS, MD
Specialty:
Craniofacial Orthodontics
Dr. Douglas Olson is a craniofacial orthodontist who treats children and teens in Orange County.
Omori, Keiichiro MD
Specialty:
Pediatrics
Dr. Keiichiro Omori is a board-certified pediatrician and sees patients at CHOC Children's Hospital in Orange.
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 Children's.
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 Children's in Orange.
Openshaw, Lori L. MD
Specialty:
Pediatrics
Appointments: 949-951-5437
Dr. Openshaw is board-certified in pediatrics and is a member of the CHOC Children’s Primary Care Network who treats kids and teens in Orange County.
Osmanski, Laura NP
Specialty:
Psychiatry
Laura Osmanski is a pediatric nurse practitioner and is a member of the CHOC Children’s Specialists who treats kids and teens in Orange County.
Otanez, Oscar MD
Specialty:
Pathology
Appointments: 949-364-7710
Dr. Otanez is a board certified pediatric pathologist who identifies diseases in kids and adolescents at CHOC Children's.
Ottiniano, Emily L. DO
Specialty:
Psychiatry
Office: 714-509-8481
Dr. Emily L. Ottiniano is a board certified psychiatrist who works with kids, teens, and young adults at CHOC Children's.
