CHOC Providers

Radhakrishna, Suhas M., MD

Specialty: Rheumatology
Appointments: 888-770-2462
Office: 714-509-8617

Dr. Suhas Radhakrishna provides diagnosis and management of pediatric autoimmune and inflammatory conditions at CHOC Chldren's for kids in Orange County.


Rafael, Shadi MD

Specialty: Emergency Medicine
Appointments: 949-364-1400

Dr. Rafael specializes in pediatric emergency medicine who treats kids with illnesses or injuries requiring immediate medical attention.


Rajpoot, Deepak K. MD

Specialty: Nephrology
Appointments: 562-933-8528

Dr. Deepak Rajpoot is a physician who treats kids and teens in Orange County and specializes in pediatric nephrology.


Ramadan, Naglaa MD

Specialty: Neonatology
Office: 714-509-4373

Dr. Ramadan is a board certified neonatologist who provides comprehensive care for critically ill premature and full-term infants at CHOC Children's.


Ramirez, Alejandro E. MD

Specialty: Anesthesiology
Appointments: 714-560-1580

Dr. Ramirez is a board certified anesthesiologist who provides care for infants and children undergoing anesthesia at CHOC Children's.


Randall, Josh MD

Specialty: Urology
Appointments: 949-364-1000

Dr. Randall is a physician who treats kids and teens in Orange County and specializes in pediatric urology.


Randall, Leslie M. MD

Specialty: Gynecologic Oncology
Appointments: 714-456-8000

Dr. Leslie Randall is a physician who treats kids and teens in Orange County and specializes in obstetrics and gynecology.


Rathod, Rajiv N. MD

Specialty: Ophthalmology
Appointments: 714-972-8432

Dr. Rathod is a physician who treats kids and teens in Orange County and specializes in pediatric ophthalmology.


Ratner, Sanford L. DDS

Specialty: Oral Surgery
Appointments: 714-835-7771

Dr. Ratner is board certified in oral and maxillofacial surgery who treats kids and teens in Orange County.


Razavi, Mahmood K. MD

Specialties: Radiology, Vascular & Interventional Radiology
Appointments: 714-560-4450

Dr. Razavi is board certified in radiology and vascular and interventional radiology at CHOC Children's in Orange.


Recto, Michael R. MD

Specialty: Cardiology
Appointments: 714-509-3939

Dr. Michael Recto is an internationally-recognized expert in the field of interventional pediatric cardiology, focusing on serious congenital defects.


Reda, Zacharia Y. MD

Specialty: Critical Care
Appointments: 714-698-1648

Dr. Reda is board certified in pediatrics and pediatric critical care.


Reddy, Varalakshmi MD

Specialty: Pediatrics
Appointments: 714-456-7011

Dr. Varalakshmi Reddy is a board certified pediatrician and sees patients at CHOC Children's Hospital in Orange, CA.


Reggiardo, Paul A. DDS

Specialty: Dentistry
Appointments: 714-848-0234

Dr. Paul Reggiardo is a pediatric dentist who treats kids and teens in Orange County.


Reh, Christina M. MD

Specialty: Endocrinology
Appointments: 888-770-2462
Office: 714-509-8634

Dr. Christina Reh is board certified in pediatrics and pediatric endocrinology who treats kids and teens in Orange County.


Rehan, Virender K MD

Specialty: Neonatology
Office: 714-509-4373

Dr. Rehan is a board certified neonatologist who provides comprehensive care for critically ill premature and full-term infants at CHOC Children's.


Renzi, Joseph DDS

Specialty: Dentistry
Appointments: 714-972-1359

Dr. Joseph Renzi is a pediatric dentist who treats kids and teens in Orange County.


Rey, Jeffrey MD

Specialty: Emergency Medicine
Appointments: 949-364-1400

Dr. Rey is a board certified emergency medicine specialist who treats kids with illnesses or injuries requiring immediate medical attention.


Reyna, Troy M. MD

Specialty: Pediatric Surgery
Appointments: 714-364-4050

Dr. Troy Reyna is a board-certified pediatric surgeon at CHOC Children's, and was one of the first physicians to introduce minimally invasive surgery for children.


Riba, Patricia MD

Specialty: Pediatrics
Office: 714-549-6440

Dr. Patricia Riba is a board certified pediatrician who treats kids and teens in Orange County. She has privileges at CHOC Children's Hospital.


Ritter, Michael S. MD

Specialty: Emergency Medicine
Appointments: 949-365-2202

Dr. Ritter is a board certified emergency medicine specialist who treats kids with illnesses or injuries requiring immediate medical attention.


Rizvi, Murtaza MD

Specialty: Plastic Surgery
Appointments: 626-795-0282

Dr. Rizvi is a board certified pediatric plastic surgeon who treats kids and adolescents at CHOC Children's.


Roche, Alexandra A. MD

Specialty: Pediatrics
Appointments: 888-770-2462
Office: 714-509-8361

Dr. Alexandra Roche is a board certified pediatrician and sees patients at CHOC Children's Hospital in Orange, CA.


Rodriguez-Toledo, Johanna MD

Specialty: Pediatrics
Appointments: 949-364-8700

Dr. Johanna Rodriguez-Toledo is a board certified pediatrician and sees patients at CHOC Children's at Mission Hospital in Orange, CA.


Romain, Jonathan E. PhD

Specialties: Neuropsychology, Psychology
Appointments: 714-509-8481

Dr. Jonathan Romain, PhD, is a board-certified clinical neuropsychologist who sees kids and teens at CHOC Children's Hospital in Orange.


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UC Irvine

CHOC Children's is affiliated with the UC Irvine School of Medicine