Missouri Legislature (healthcare bills) · April 16, 2026 · Primary source
MO SB 1664: Creates the "Honest Billing Act" regarding payment for health care services
Summary
Missouri SB 1664, referred to the Senate Insurance and Banking Committee, would establish the Honest Billing Act, requiring each off-campus outpatient department of a health care facility to obtain and use a unique NPI on all claims filed after December 31, 2026, for services reimbursed in Missouri. Facilities that submit claims or hold enrollees liable for services billed without the department-specific NPI are subject to enforcement by the Attorney General under the Missouri Merchandising Practices Act and to Department of Health and Senior Services penalties. Compliance with the Act would become a condition of facility licensure and renewal in Missouri.
What this may mean
If enacted, the bill imposes a hard deadline of December 31, 2026, for off-campus outpatient departments of Missouri health care facilities to obtain unique NPIs and update billing systems to reflect department-level identifiers on all state claims. Facilities that fail to comply face dual-track enforcement: AG action under the Missouri Merchandising Practices Act for improperly holding enrollees liable, and licensure penalties from the Department of Health and Senior Services. Referral authority from the Department of Commerce and Insurance adds a third enforcement vector for noncompliant claims submitted to health carriers.
Informational only. Not legal, medical, financial, or other professional advice. Always consult a qualified professional familiar with your specific facts before relying on any item.
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