Crystal Run Healthcare remains open for office visits, however we recognize that for some, coming in for a visit is just not possible. ... West Nyack, New York 10994 P: 845.348.1100 Hours. Hours. Monday - Friday: 7:30AM - 6PM ... Patient Portal; New Patients; Appointments & Rx; Telehealth; Mobile Check-In; Request a Callback; Choosing a Doctor;.