CY 2027 hospital outpatient and ambulatory surgical center proposed rule
Jan 1, 2027 — Proposed effective date if finalized
On July 2, 2026, CMS issued a proposed rule that would update Medicare payment policies and rates for hospital outpatient and ambulatory surgical center services for calendar year 2027. CMS states the proposed payment policies would affect approximately 3,500 hospitals and approximately 6,400 ambulatory surgical centers.
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The proposed rule was published in the Federal Register on July 7, 2026 and includes quality reporting program provisions, a request for information on strengthening the standardization and comparability of hospital price transparency data, prior authorization, accrediting organization deeming for EMTALA, and notices of closure of teaching hospitals. CMS stated comments were due by August 31, 2026.
Dates in the record
Proposed rule CMS-1850-P issued
Published in the Federal Register
Comment period closed
Proposed effective date if finalized
Dates are as stated in the source record.
What this could meanNexis Hub analysis, not the record
Outpatient and ambulatory surgical center payment levels influence where procedures are performed, which affects demand for outpatient facility build-out, surgical equipment, sterile supplies, imaging, and supporting technology. Price transparency and prior authorization provisions may create data and systems work. Suppliers should treat these as directional signals until the final rule is issued.
Centers for Medicare & Medicaid Services (CMS) — Calendar Year 2027 Hospital Outpatient Prospective Payment System (OPPS) and Ambulatory Surgical Center (ASC) Proposed Rule (CMS-1850-P) — Fact Sheet (opens in a new tab)
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