CHOC Providers
Kuo, Eric MD
Specialty:
Vascular Surgery
Office: 714-560-4450
Dr. Kuo is a board certified vascular surgeon who treats kids and teens in Orange County, California.
Chang, Nathan NP
Specialty:
Critical Care
Nathan Chang is a nurse practitioner and is a member of the CHOC Specialists who treats kids and teens in Orange County.
Kwon, Clara PA
Specialty:
Emergency Medicine
Crlara Kwon is a physician assistant who specializes in providing emergency medicine in Orange, California.
Martin, Crystal PA
Specialty:
Emergency Medicine
Crystal Martin is a physician assistant who specializes in providing emergency medicine in Orange, California.
Xu, Cathy MD
Specialty:
Neonatology
Office: 714-509-4373
Dr. Cathy Xu is a neonatologist who provides care for critically ill premature and full-term infants in Orange County.
Abaid, Lisa N. MD
Specialty:
Gynecology
Office: 949-642-1361
Dr. Lisa Abaid is a board certified gynecologist who treats kids and teens in Orange County, CA.
Bui Hsieh, Loan MD
Specialty:
Pediatrics
Appointments: 714-509-4600
Dr. Loan Bui Hsieh specializes in pediatrics and is a member of the CHOC Primary Care Network who treats kids and teens in Orange County.
Ahmed, Anitha MD
Specialty:
Pediatrics
Dr. Anitha Ahmed specializes in pediatrics and is a member of the CHOC Primary Care Network who treats kids and teens in Orange County.
Newby, Dart MD
Specialty:
Critical Care
Office: 714-509-8620
Dr. Dart Newby specializes in critical care who treats children in Orange County.
Gopinath, Anupama MD
Specialty:
Anesthesiology
Office: 714-619-5383
Dr. Nupama Gopinath is a board certified anesthesiologist who provides care for kids and teens undergoing anesthesia at CHOC Hospital in Orange.
Bryan, Theodore MD
Specialty:
Vascular & Interventional Radiology
Office: 714-560-4450
Dr. Theodore Bryan is board certified in radiology and vascular and interventional radiology at CHOC Hospital, Orange, CA.
De Zoysa, Madushka Y. MD
Specialty:
Maternal-Fetal Medicine
Office: 714-456-6810
Dr. Madushka De Zoysa is a board certified gynecologist who treats kids and teens at CHOC Hospital, Orange, CA.
Khambaty, Lubena MD
Specialty:
Pediatrics
Office: 949-733-2800
Dr. Lubena Khambaty is a pediatrician who treats kids and teens in Orange County, CA.
Bharwani, Rachel MD
Specialty:
Neonatology
Office: 714-509-4373
Dr. Rachel Bharwani is a neonatologist who provides care for critically ill premature and full-term infants in Orange County.
Mai, Katherine MD
Specialty:
Nephrology
Office: 714-509-8324
Dr. Katherine Mai is board certified in pediatrics who treats kids and teens in Orange County.
Nguyen, Diem-Tran I. MD
Specialty:
Allergy/Immunology
Office: 714-633-6363
Dr. Diem-Tran I. Nguyen is a board certified pediatric allergist at CHOC Hospital in Orange County.
Lenon, Alexis NP
Specialty:
Oncology
Alexis Lenon is a nurse practitioner who provides care for kids and teens at CHOC Hospital in Orange.
Rehmar, Victoria NP
Specialty:
Oncology
Victoria Rehmar is a nurse practitioner who provides care for kids and teens at CHOC Hospital in Orange.
CHOC & UCI Rare Disease Symposium & Family Conference 2025
Specialty:
CHOC and UCI's 4th Annual Rare Disease Symposium: Blending in-person and virtual talks on rare disease research, treatment, and family and expert insights.
Hite, Ashley MD
Specialty:
Psychiatry
Office: 714-509-8481
Dr. Ashley Hite is a board certified child psychiatrist at CHOC Hospital in Orange County, California.
Schnell, Stephanie MD
Specialty:
Neonatology
Office: 714-509-4373
Dr. Stephanie Schnell is a neonatologist who provides comprehensive care for critically ill premature and full-term infants.
Phung, Vivien MD
Specialty:
Hospitalist – Pediatrics
Office: 714-509-8826
Dr. Vivien Phung is board certified in pediatrics and specializes in the care of hospitalized kids and adolescents at CHOC Hospital.
Nikam, Rahul MBBS
Specialty:
Radiology
Office: 714-509-9081
Dr. Rahul Nikam is board certified in radiology who treats kids and teens in Orange County.
Anderson, Brett PA
Specialty:
Neurosurgery
Brett Anderson is a physician assistant who specializes in neurosurgery who provides care for kids for requiring neurological surgery at CHOC Hospital.
La, Tammy OD
Specialty:
Ophthalmology
Dr. Tammy La is an optometrist at CHOC Hospital in Orange County, CA.
