Who Is Healthcare Central London? Healthcare Central London is a federation of 30 general practices across Westminster, caring for more than 275,000 patients. The organization supports both clinical and administrative staff across multiple locations, working in partnership with the NHS to deliver essential community healthcare. Having relied on Workable’s applicant tracking system for two years, HCL took the next step in its digital transformation by replacing its less advanced HRIS with Workable’s all-in-one HRIS.