{"id":1142,"date":"2026-08-25T02:45:56","date_gmt":"2026-08-25T07:45:56","guid":{"rendered":"https:\/\/www.calsociety.com\/?p=1142"},"modified":"2026-08-25T04:59:56","modified_gmt":"2026-08-25T09:59:56","slug":"medicare-parts-a-b-c-d-explained","status":"publish","type":"post","link":"https:\/\/www.calsociety.com\/es\/blog\/medicare-parts-a-b-c-d-explained\/","title":{"rendered":"Medicare Parts A, B, C &amp; D Explained: What Each Part Covers"},"content":{"rendered":"<p>If you are approaching Medicare eligibility, you have probably heard people talk about <strong>Medicare Part A, Part B, Part C and Part D<\/strong>. The confusing part is that these are not four versions of the same insurance. Each part serves a different purpose, and understanding how they work together can help you avoid coverage gaps, unexpected costs and enrollment mistakes.<\/p>\n<p>For Californians turning 65 or becoming eligible for Medicare through disability, here is a straightforward look at what each Medicare part actually does.<\/p>\n<h2>Medicare Part A: Hospital Insurance<\/h2>\n<p>Think of <strong>Medicare Part A<\/strong> as your hospital coverage. It generally helps pay for medically necessary inpatient care, including:<\/p>\n<ul>\n<li>Hospital stays<\/li>\n<li>Skilled nursing facility care under qualifying circumstances<\/li>\n<li>Hospice care<\/li>\n<li>Certain home health care services<\/li>\n<\/ul>\n<p>For most people, Part A comes with no monthly premium because they or their spouse paid Medicare taxes long enough while working. However, Part A still has deductibles and other cost sharing.<\/p>\n<p>In 2026, the Part A hospital deductible is <strong>$1,736 per benefit period<\/strong>. (<a title=\"What does Medicare cost? | Medicare\" href=\"https:\/\/www.medicare.gov\/basics\/get-started-with-medicare\/medicare-basics\/what-does-medicare-cost?utm_source=chatgpt.com\">Medicare<\/a>)<\/p>\n<p><strong>Important:<\/strong> Part A is not simply \u00abfree hospital insurance.\u00bb Knowing what it covers and what you may still have to pay is an important part of planning for healthcare expenses.<\/p>\n<h2>Medicare Part B: Medical Insurance<\/h2>\n<p><strong>Medicare Part B<\/strong> covers many healthcare services you receive outside of an inpatient hospital stay. This can include:<\/p>\n<ul>\n<li>Doctor and specialist visits<\/li>\n<li>Outpatient care<\/li>\n<li>Preventive services<\/li>\n<li>Certain diagnostic tests<\/li>\n<li>Durable medical equipment<\/li>\n<li>Some home health services<\/li>\n<\/ul>\n<p>Part B generally requires a monthly premium. The standard <strong>Part B premium is $202.90 per month in 2026<\/strong>, although people with higher incomes may pay more. The 2026 Part B deductible is <strong>$283<\/strong>. (<a title=\"Costs | Medicare\" href=\"https:\/\/www.medicare.gov\/basics\/costs\/medicare-costs?utm_source=chatgpt.com\">Medicare<\/a>)<\/p>\n<p>One important distinction is that Original Medicare does not have a yearly limit on your out of pocket costs. This is one reason some beneficiaries consider supplemental coverage such as Medigap or choose Medicare Advantage instead. (<a title=\"What does Medicare cost? | Medicare\" href=\"https:\/\/www.medicare.gov\/basics\/get-started-with-medicare\/medicare-basics\/what-does-medicare-cost?utm_source=chatgpt.com\">Medicare<\/a>)<\/p>\n<h2>Medicare Part C: Medicare Advantage<\/h2>\n<p><strong>Medicare Part C<\/strong>, commonly called <strong>Medicare Advantage<\/strong>, works differently from Parts A and B.<\/p>\n<p>Medicare Advantage plans are offered by Medicare approved private insurance companies. Instead of receiving your Medicare benefits directly through Original Medicare, you receive your Part A and Part B benefits through the Medicare Advantage plan.<\/p>\n<p>Most Medicare Advantage plans also include <strong>Part D prescription drug coverage<\/strong>.<\/p>\n<p>Depending on the plan, you may also receive additional benefits such as:<\/p>\n<ul>\n<li>Dental services<\/li>\n<li>Vision benefits<\/li>\n<li>Hearing benefits<\/li>\n<li>Wellness programs<\/li>\n<li>Other supplemental benefits<\/li>\n<\/ul>\n<p>The tradeoff is that Medicare Advantage plans often use provider networks, and your copayments, deductibles and other costs depend on the specific plan. However, these plans have a yearly maximum out of pocket limit for covered services. (<a title=\"Your coverage options | Medicare\" href=\"https:\/\/www.medicare.gov\/basics\/get-started-with-medicare\/get-more-coverage\/your-coverage-options?utm_source=chatgpt.com\">Medicare<\/a>)<\/p>\n<p>In 2026, Medicare Advantage costs vary by plan, and you must continue paying your Part B premium to remain enrolled. (<a title=\"Costs | Medicare\" href=\"https:\/\/www.medicare.gov\/basics\/costs\/medicare-costs?utm_source=chatgpt.com\">Medicare<\/a>)<\/p>\n<h2>Medicare Part D: Prescription Drug Coverage<\/h2>\n<p><strong>Medicare Part D<\/strong> helps pay for prescription medications you take at home and certain recommended vaccines.<\/p>\n<p>If you have Original Medicare, you can generally purchase a separate Part D prescription drug plan. Many Medicare Advantage plans already include Part D coverage. (<a title=\"Parts of Medicare | Medicare\" href=\"https:\/\/www.medicare.gov\/basics\/get-started-with-medicare\/medicare-basics\/parts-of-medicare?utm_source=chatgpt.com\">Medicare<\/a>)<\/p>\n<p>One detail that often gets overlooked is the <strong>formulary<\/strong>. A formulary is the list of medications a plan covers. Two Medicare drug plans may cover different medications or place them on different cost tiers.<\/p>\n<p>In 2026, the maximum Part D deductible is <strong>$615<\/strong>, although some plans have lower deductibles or none at all. Once a beneficiary reaches <strong>$2,100 in out of pocket spending for covered Part D drugs in 2026<\/strong>, catastrophic coverage begins and covered Part D drugs have $0 out of pocket cost for the remainder of the calendar year. (<a title=\"How much does Medicare drug coverage cost? | Medicare\" href=\"https:\/\/www.medicare.gov\/health-drug-plans\/part-d\/basics\/costs?utm_source=chatgpt.com\">Medicare<\/a>)<\/p>\n<p>That makes reviewing your actual prescriptions an important part of choosing a Medicare drug plan.<\/p>\n<h2>So, How Do Parts A, B, C and D Fit Together?<\/h2>\n<p>The easiest way to understand Medicare is to think of it this way:<\/p>\n<p><strong>Part A = Hospital<\/strong><br \/>\n<strong>Part B = Medical<\/strong><br \/>\n<strong>Part C = Medicare Advantage alternative to Original Medicare<\/strong><br \/>\n<strong>Part D = Prescription drugs<\/strong><\/p>\n<p>There are two main ways to receive Medicare coverage.<\/p>\n<h3>Option 1: Original Medicare<\/h3>\n<p>You generally have:<\/p>\n<p><strong>Part A + Part B<\/strong><\/p>\n<p>You can then add:<\/p>\n<p><strong>Part D<\/strong> for prescription drugs<\/p>\n<p>and potentially:<\/p>\n<p><strong>Medigap<\/strong> to help with certain out of pocket costs.<\/p>\n<p>With Original Medicare, you can generally see any doctor or hospital that accepts Medicare anywhere in the United States. (<a title=\"Your coverage options | Medicare\" href=\"https:\/\/www.medicare.gov\/basics\/get-started-with-medicare\/get-more-coverage\/your-coverage-options?utm_source=chatgpt.com\">Medicare<\/a>)<\/p>\n<h3>Option 2: Medicare Advantage<\/h3>\n<p>You enroll in a Medicare Advantage plan that provides your Part A and Part B benefits.<\/p>\n<p>Most Medicare Advantage plans also include:<\/p>\n<p><strong>Part D prescription drug coverage<\/strong><\/p>\n<p>Many plans also offer additional benefits that Original Medicare does not routinely cover.<\/p>\n<p>The right choice depends on factors such as your doctors, prescriptions, preferred hospitals, budget, travel habits and how you want to manage healthcare costs.<\/p>\n<h2>Don&#8217;t Wait Until You Need Care to Understand Your Medicare<\/h2>\n<p>Choosing Medicare coverage is about more than picking the plan with the lowest premium. A plan that looks inexpensive may not be the best fit if your doctors are outside its network or your prescriptions fall into expensive drug tiers.<\/p>\n<p>Likewise, choosing Original Medicare without considering supplemental coverage can leave you responsible for significant cost sharing.<\/p>\n<p>Enrollment timing matters too. Delaying certain coverage without qualifying for an exception can result in late enrollment penalties. For example, going <strong>63 days or more without creditable prescription drug coverage<\/strong> after becoming eligible for Part D can lead to a permanent Part D late enrollment penalty. (<a title=\"Avoid late enrollment penalties | Medicare\" href=\"https:\/\/www.medicare.gov\/basics\/costs\/medicare-costs\/avoid-penalties?utm_source=chatgpt.com\">Medicare<\/a>)<\/p>\n<h3>The Bottom Line<\/h3>\n<p>Medicare becomes much easier to understand once you separate the four parts:<\/p>\n<p><strong>Part A helps with hospital care. Part B covers medical and outpatient services. Part C provides a private plan alternative to Original Medicare. Part D helps with prescription drug costs.<\/strong><\/p>\n<p>But understanding the parts is only the beginning. Your healthcare needs, medications, doctors and financial situation should all be considered before selecting coverage.<\/p>\n<p>If you are approaching Medicare eligibility in California, taking time to review your options before enrollment can help you make a more informed decision and avoid costly surprises.<\/p>\n<p><strong>Cal-Society Insurance Services can help California Medicare beneficiaries understand their available coverage options and compare plans based on their individual needs.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you are approaching Medicare eligibility, you have probably heard people talk about Medicare Part A, Part B, Part C [&hellip;]<\/p>\n","protected":false},"author":197,"featured_media":1143,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"Medicare Parts A, B, C & D Explained | California Medicare Guide","_seopress_titles_desc":"Confused about Medicare Parts A, B, C and D? 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