Hartford HealthCare HealthCenter in Wallingford Primary care office and expert care for minor illnesses or injuries, physicals and more. No appointment necessary. | Hours: Mon. - Fri. 8 am - 8 pm Sat. 9 am - 5 pm Sun. 10 am - 4 pm Walk-In: 203.694.5500 Primary Care: 203.284.9099 |