Longmont United Hospital by the numbers. Active Medical Staff: 651; Admissions: 4,249; FY20 ED visits: 23,470; Caregivers: 501; ... Patients who have a MyCenturaHealth patient portal can use the link above to schedule your first, second, third or booster dose of the COVID-19 vaccine. If you are not a Centura patient and would like to schedule ....