- We are pleased to have our staff here at the Sheldon Health Center: Kari Christiansen is our School Nurse. Kathleen Ybanez is our Health Assistant, and Tricia Schroffner is our Nurse Practitioner who is at both the Sheldon and North Clinics.
Kari Christiansen, RN — School Nurse, Clinic Manager
Joy Lum, Ph.D. — Licensed Psychologist
Tricia Schroffner, FNP – Family Nurse Practitioner
Kathleen Ybanez, – Health Assistant