Monoclonal Antibody Therapy Treatments Florida Department of Health in Pasco County 727-861-5250 Pasco.Web@FLHealth.gov Mailing Address 10841 Little Road New Port Richey, FL 34654 The state-supported monoclonal antibody therapy treatment site at Fasano Center, 11611 Denton Ave. in Pasco County, closed on November 27, 2021..