I believe this has to do with the office of the Surgeon General and the Commissioned Corps of the U.S. Public Health Service, and not the creation of a domestic military or paramilitary force:
http://en.wikipedia.org/wiki/United_States_Public_Health_Service_Commissioned_Corps
http://www.surgeongeneral.gov/
How else to sneak it in under the Health Care Act? All the most dangerous innovations of the Obama administrations are sneaked into other bills disguised as something else.