CHOC Providers
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.
Carrillo, Hector OD
Specialty:
Ophthalmology
Dr. Hector Carrillo is an optometrist at CHOC Hospital in Orange County, CA.
Rios, Nancy MD
Specialty:
Anesthesiology
Appointments: 714-619-5383
Dr. Nancy Rios is a board certified anesthesiologist who provides care for kids and teens undergoing anesthesia at CHOC Hospital in Orange.
Richman, Michael MD
Specialty:
Anesthesiology
Office: 714-619-5383
Dr. Michael Richman is a board certified anesthesiologist who provides care for kids and teens undergoing anesthesia at CHOC Hospital in Orange.
Buethe, Maria G. MD, PhD
Specialty:
Dermatology
Appointments: 714-509-7760
Dr. Maria G. Buethe is double board-certified in dermatology and pediatric dermatology. In addition to her role as chief of the pediatric dermatology division at Children’s Hospital of Orange County (CHOC), she also serves as the director of pediatric dermatology at the University of California, Irvine.
Sehgal, Ila DO
Specialty:
Critical Care
Office: 714-509-8620
Dr. Ila Sehgal is board certified in pediatrics and specializes in critical care who treats children in Orange County.
Berra, Madalin MD
Specialty:
Critical Care
Office: 714-509-8620
Dr. Madalin Berra specializes in critical care who treats children in Orange County.
Cantwell, Sean MD
Specialty:
Plastic Surgery
Office: 714-456-5253
Dr. Sean Cantwel is a plastic surgeon who specializes in plastic surgery procedures.
