Medicare Part B is the medical-insurance portion of Original Medicare. It generally helps cover physician services, outpatient care, diagnostic services, preventive care, durable medical equipment, and other covered medical services. Enrollment is generally voluntary, although it may be automatic for certain people who are already receiving Social Security benefits. Most individuals pay a monthly Part B premium, and higher-income beneficiaries may pay an income-related additional amount.

Part B should not be confused with Medicare Part D, which provides outpatient prescription-drug coverage, or with Medicaid, which is a joint federal-state program for eligible individuals with limited income and resources. Part B also differs from Part A, which is primarily hospital insurance. Delaying Part B enrollment without qualifying employer coverage can result in late-enrollment penalties and gaps in coverage, so producers should avoid casual advice and instead direct consumers to current Medicare enrollment guidance.

When discussing Medicare-related products, producers must accurately identify whether a client has Original Medicare, a Medicare Advantage plan, a Medicare supplement policy, and/or a Part D prescription-drug plan. These arrangements have different rules, premiums, provider networks, and cost-sharing structures.

References/topics from the Study Guide: Medicare Part B; Original Medicare; Enrollment Periods; Medicare Premiums; Medicare Supplement Products.

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