Following a nationwide search, Ryan Hansen has been named director of the CHOC Heart Institute. In his new role, Ryan will work closely with hospital and physician leaders to advance strategies designed to make the Heart Institute a leading destination for pediatric and adolescent cardiovascular care. “CHOC is clearly an organization on the rise with […]
Meet Dr. Sarah S. Field
CHOC wants its referring physicians to get to know its specialists. Today, meet Dr. Sarah Samimi Field, pediatric allergist and immunologist. What is your education and training? I attended Saint Louis University School of Medicine, and trained in Internal Medicine and Pediatric/Adult Allergy and Immunology at the University of Kansas Medical Center. What are your […]
In the Spotlight: Jacqueline Winkelmann, M.D.
CHOC Pediatrician Realizes Childhood Dream of Helping Kids As a child growing up in Puerto Rico, Dr. Jacqueline Winkelmann was inspired to become a pediatrician by her mother’s uncle, who was one of the first pediatric surgeons in Puerto Rico. Young Jacqueline would accompany her great-uncle on his rounds as he visited farms to see […]
Dr. Waffarn retires from clinical practice
After a long, successful career, Dr. Feizal Waffarn retires from clinical practice. CHOC is thankful for his dedicated service!




