WellMed resumes appointments for Johnson & Johnson COVID-19 vaccine Appointments also available for Moderna COVID-19 vaccine Published: Tags: SAN ANTONIO – WellMed will resume administering the single-dose Johnson & Johnson/Janssen COVID-19 vaccine beginning Wednesday at two San Antonio community vaccination sites. The health care company has 1,945 J&J doses available in San Antonio. Appointments for the J&J vaccine at the Alicia Trevino Lopez Senior One-Stop Center at 8353 Culebra Road can be made online or by calling 833-968-1745. The line is open 8 a.m. to 8 p.m. seven days a week. Appointments for the J&J vaccine at the Elvira Cisneros Senior Community Center at 517 SW Military Drive can be made online or by calling 833-968-1745. The line is open 8 a.m. to 8 p.m. seven days a week.