MO · last verified 2026-05-12
Missouri — NSA dispute pathway
Ground-ambulance balance-billing law
NO STATE LAW
—
State IDR pathway
[VERIFY PENDING]
Federal IDR (45 CFR §149.510)
ERISA self-funded plans
STATE DOI HAS NO JURISDICTION
Self-funded plans always route to Federal IDR + DOL/EBSA enforcement, regardless of state.
How Missouri fits the NSA picture
MO Rev. Stat. §376.690 applies to OON professionals delivering care at an in-network facility. Ground-ambulance pre-facility transport falls outside the statutory definition.
Free first step — CMS No Surprises Help Desk
The CMS-administered consumer complaint pathway. Free, federal, and the recommended first action for any balance-billed insured patient. You have 90 calendar days from when you knew or should have known of the NSA violation to file.