Probably the quickest, easy summary of "we don't have universal health care because of racism" story was in huffpost:
https://www.huffpost.com/entry/when-racism-stands-in-the_b_264823
More generally, Heather McGee's celebrated "The Sum of Us" is about a longer list of things that everybody doesn't have as public services, because Black people might get them.
Most head-shakingly, towns filled in public swimming pools so nobody could swim, rather than integrate them.