COVID-19 vaccines for Asheville Pulmonary patients There are now three COVID vaccines (Pfizer/BioNTech, Moderna, and Johnson & Johnson) that are approved for use in the United States. ... Access Patient Portal. Hours. Mon-Thu: 8 a.m. - 5:30 p.m. F: 8 a.m. - 5 p.m. Sleep Center. 5 Vanderbilt Park Suite 302 Asheville, NC 28803.