Central 24-HR Clinic's Yishun branch is a GP clinic at 701A Yishun Avenue 5 in Yishun, Singapore, and its name says it runs 24-hour hours. Patients come for GP visits, blood pressure checks and medical certificates. Reviews are often critical, with many reporting long waits and dissatisfaction with the care they received. The clinic has a 2.3 rating from 943 Google reviews.