COVID-19 testing at Sixteenth Street is available for established patients only. If you do not have a doctor, we are always welcoming new patients. Vaccines are free and available for anyone 5 years of age and older by scheduled appointment. Sixteenth currently has the Pfizer and Moderna vaccines. You must have an appointment to get a vaccine.Contact Us‧Careers‧Behavioral Health‧Chavez Location‧Medical‧Patient Resources.