Healthy Kids One Stop Act - Amends titles XIX (Medicaid) and XXI (State Children's Health Insurance) (SCHIP) of the Social Security Act to give states the option to rely on findings from a public Express Lane agency to conduct simplified eligibility determinations.
Amends SSA title XIX to authorize a federal or state agency or private entity in possession of the sources of data directly relevant for Medicaid eligibility determination (including eligibility files maintained by an Express Lane agency) to convey such information to the state Medicaid agency, if such conveyance meets specified requirements. Prescribes civil and criminal penalties for improper disclosure of such information.