This location is currently conducting serum antibody tests at a cost to patients. To learn more, please call (585) 377-5080. Our Rochester Regional Health Laboratories Penn Fair patient service center in Penfield, NY offers the full range of health screening options. From helping to monitor your cholesterol and blood sugar, to confirming a pregnancy or detecting a potential health problem, our expert phlebotomists, laboratory techs and scientists stand ready to provide you with convenient testing and quick and accurate results.