Patients. Become a Patient; Request an Appointment; Document/Forms Center; Patient Assistance Program; FAQs; Services; Locations; Providers; HVCS; Patient Portal; Pay Your Bill; 845.563.8000; info@cornerstonefh.org; KFP Testing Team 2. December 14, 2020 1512 × 1110 COVID-19: Thoughts from the Frontline. Popular Posts. CDC Recommends COVID-19 ....