Health

Guides and explainers about health.

Inpatient vs. Outpatient Hospital Surgery Costs Under Medicare: Copays and Observation Status

Learn how Medicare Part A and Part B cover hospital stays, how the Two-Midnight Rule affects your status, and how observation status alters out-of-pocket costs and skilled nursing care.

Sep 16, 2026

Medicare Part B Late Enrollment Penalty: Calculation Formula and Appeal Eligibility

Learn how the Medicare Part B late enrollment penalty is calculated, how to qualify for a Special Enrollment Period with Form CMS-L564, and the exact steps to appeal an incorrect premium surcharge.

Sep 16, 2026