Meet Our Team Our team is here to help you with all your health service needs. Clinicians Laura Champion Medical Director (616) 526-6187 laura.champion@calvin.edu Rachel Sportel NP-C (616) 526-6187 rachel.sportel@calvin.edu Liesl M Zylstra NP-BC (616) 526-6187 liesl.zylstra@calvin.edu Trever Portenga PA-C (616) 526-6187 trever.portenga@calvin.edu Pamela Smith Corporate Registered Dietitian (616) 526-6187 pamela.smith@calvin.edu Clinical and Administrative Staff Sheryl Stalter RMA (616) 526-6187 sherie.stalter@calvin.edu Sarah Klifman Registered Medical Assistant (616) 526-6187 sarah.klifman@calvin.edu Jenn Alcala Registered Medical Assistant (616) 526-6187 jenn.alcala@calvin.edu Mayra Huyser Registered Medical Assistant (616) 526-6187 mayra.huyser@calvin.edu Joy Malone Registered Medical Assistant (616) 526-6187 joy.malone@calvin.edu Health Services Make an Appointment Insurance & Billing Other Insurance Participating Plans United HealthCare Student Plan New Students Vaccinations & Travel Health Travel Health Vaccination Requirements Allergy Injections Influenza (Flu) Vaccine Vaccination List Contact Us Emergency Meet Our Team Coronavirus & Influenza Information