The clinic is funded through the same money budgeted as part of insurance, including employee contributions (which have increased while plan coverages have decreased). The idea is you get more bang for your buck because services will be provided much closer to actual cost. So that pill that costs a dollar won't cost the insurance plan $30. That flu shot that costs $5 won't be billed for $60. So if s member gets sick, or just needs general practiioner care for their physical or medication maintenance or whatever, they can visit the health clinic. It will be cheaper for the individual member, and the health plan as a whole, which saves tax dollars.  The more it's used (and conversely, the fewer visits and services at more traditional doctor offices), and there are fewer visits to more traditional doctor offices, the more savings.

This approach, while proven elsewhere, is pragmatic and a bid at being fiscally conservative in the long term by driving down costs and inflation.