Our Staff

Mercy Health Clinic is a volunteer-based, free medical clinic staffed by licensed medical professionals that include internal medicine and family practice physicians, nurse practitioners, behavioral health counselors, and many specialty physicians. In addition to a small paid staff, our 100+ volunteers also provide translation, administrative and other services.

Clinic Staff

Mark Foraker – Executive Director
MaryAnn Bishop, MD – Medical Director

Laureen Harkins, ANP – Clinical Director

Maria Maravilla – Clinic Manager

Development and Communications
Denise Fredericks, Director
Joan Ronnenberg, Consultant


Glenda Aviles – Medical Assistant

Margaret Camarca – Pharmacy Nurse

Hau Che – Registered Nurse

Glenovan Brown-Sealey – Nurse Practitioner

Saidy Garay – Front Desk Receptionist

Wendy Gotlewski – Pharmacist

Laureen Harkins – Nurse Practitioner

Manuel Hernandez – Medical Assistant

Jenny Moncada – Patient Scheduler

Lorraine Ponce – Medical Assistant

Gabriela Risueno – Medical Assistant

Shu-Yen Tsai – Pharmacy Technician

Sinia Veliz – Medical Assistant

David Want – Nurse Practitioner