--- title: "Do I Need Medicare If I'm Still Working? | Medicare Blog" description: "If you're still working at 65 with employer coverage, you can delay Medicare Part B — but only if your employer has 20+ employees. Here are the rules." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "Article", "@id": "https://dalton-insuranceagency.com/blog/do-i-need-medicare-if-still-working#article", "mainEntityOfPage": { "@type": "WebPage", "@id": "https://dalton-insuranceagency.com/blog/do-i-need-medicare-if-still-working" }, "headline": "Do I Need Medicare If I'm Still Working?", "alternativeHeadline": "Do I Need Medicare If I'm Still Working?", "description": "If you're still working at 65 with employer coverage, you can delay Medicare Part B — but only if your employer has 20+ employees. Here are the rules.", "image": [ "https://dalton-insuranceagency.com/favicon-dia-preview.png" ], "author": { "@type": "Person", "name": "Tyler Dalton", "jobTitle": "Licensed Medicare Advisor", "telephone": "+1-334-489-3624", "url": "https://dalton-insuranceagency.com/tyler-dalton-author", "affiliation": { "@type": "Organization", "name": "Dalton Insurance Agency" } }, "publisher": { "@type": "Organization", "name": "Dalton Insurance Agency", "logo": { "@type": "ImageObject", "url": "https://dalton-insuranceagency.com/favicon-dia-preview.png" }, "url": "https://dalton-insuranceagency.com" }, "datePublished": "2026-02-26T00:00:00+00:00", "dateModified": "2026-03-09T15:24:14.30205+00:00", "articleSection": "Medicare Enrollment", "keywords": "Medicare Enrollment, Medicare, Annual Enrollment Period, Medicare Advantage, Alabama", "inLanguage": "en", "wordCount": 1413, "articleBody": "\nUpdated for 2026. If you're approaching 65 but still have employer health insurance, you're facing one of the most confusing Medicare decisions. The rules depend on your employer's size, your spouse's coverage, and your specific situation. Make the wrong choice and you could face permanent penalties. 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[Home ](/) 2. [Blog](/blog) 3. [Medicare Enrollment]() 4. Do I Need Medicare If I'm Still Working? [Back to Blog](/blog) February 26, 2026 10 min read Tyler Dalton # Do I Need Medicare If I'm Still Working? If you're still working at 65 with employer coverage, you can delay Medicare Part B — but only if your employer has 20+ employees. Here are the rules. Share this article [Facebook](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fdalton-insuranceagency.com%2Fblog%2Fdo-i-need-medicare-if-still-working)[Pinterest](https://pinterest.com/pin/create/button/?url=https%3A%2F%2Fdalton-insuranceagency.com%2Fblog%2Fdo-i-need-medicare-if-still-working&description=Do%20I%20Need%20Medicare%20If%20I'm%20Still%20Working%3F)[Text](sms:?body=Do%20I%20Need%20Medicare%20If%20I'm%20Still%20Working%3F%0Ahttps%3A%2F%2Fdalton-insuranceagency.com%2Fblog%2Fdo-i-need-medicare-if-still-working)[Email](mailto:?subject=Do%20I%20Need%20Medicare%20If%20I'm%20Still%20Working%3F&body=I%20thought%20you%20might%20find%20this%20helpful%3A%20https%3A%2F%2Fdalton-insuranceagency.com%2Fblog%2Fdo-i-need-medicare-if-still-working)Copy Link[LinkedIn](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Fdalton-insuranceagency.com%2Fblog%2Fdo-i-need-medicare-if-still-working)[](https://twitter.com/intent/tweet?url=https%3A%2F%2Fdalton-insuranceagency.com%2Fblog%2Fdo-i-need-medicare-if-still-working&text=Do%20I%20Need%20Medicare%20If%20I'm%20Still%20Working%3F) **Updated for 2026.** If you're approaching 65 but still have employer health insurance, you're facing one of the most confusing Medicare decisions. The rules depend on your employer's size, your spouse's coverage, and your specific situation. Make the wrong choice and you could face permanent penalties. Here's everything you need to know. ## The Critical Rule: Your Employer's Size Determines Everything Whether you need to enroll in Medicare while still working depends primarily on one factor: **how many employees your company has**. This single detail determines which insurance is "primary" (pays first) and which is "secondary" (pays second). Getting this wrong can lead to denied claims and unexpected medical bills. 20+ Employees = Employer Pays First <20 Employees = Medicare Pays First 8% Part B Penalty Per Year Delayed ## Scenario 1: You Work for a Large Employer (20+ Employees) If your employer has **20 or more employees**, your employer's group health plan is the primary payer. This means: - Your employer coverage pays first for medical claims - You can **safely delay Medicare Part B** without penalty - You should still enroll in **Part A** (it's free and can serve as secondary coverage) - You do NOT need Part D if your employer drug plan is "creditable coverage" (they must notify you annually) - When you retire or lose employer coverage, you get a **Special Enrollment Period (SEP)** — 8 months to sign up for Part B without penalty ### Should You Still Enroll in Part A? In most cases, **yes**. Part A is premium-free and serves as a backup to your employer coverage. If you're hospitalized, your employer plan pays first, then Part A picks up remaining costs. There's essentially no downside. **Exception:** If you have a Health Savings Account (HSA), do NOT enroll in Part A. Once you have any Medicare coverage (including Part A), you can no longer contribute to an HSA. If you want to keep contributing to your HSA, delay all parts of Medicare. ### The HSA and Medicare Trap This catches many people off guard. Here are the rules: - You cannot contribute to an HSA once enrolled in any part of Medicare - Social Security will automatically enroll you in Part A when you start Social Security benefits - If you're 65+ and want to keep your HSA, do NOT file for Social Security yet - Part A enrollment is retroactive 6 months — so if you sign up for Part A in June, it's effective from January. You'd owe back any HSA contributions made during those months. - Consider stopping HSA contributions 6 months before you plan to enroll in Part A ## Scenario 2: You Work for a Small Employer (Under 20 Employees) If your employer has **fewer than 20 employees**, the rules flip completely. Medicare becomes your primary coverage at age 65, and your employer plan becomes secondary. This means: - **You MUST enroll in Medicare Part A and Part B when first eligible** - If you don't enroll, your employer plan may not cover claims properly — they'll assume Medicare is paying first - You could end up with claims denied by BOTH insurers - If you delay Part B, you'll face **permanent late enrollment penalties** when you do enroll **⚠️ Warning:** If you work for a small employer and don't sign up for Medicare at 65, your employer plan will treat Medicare as your primary insurer — even though you haven't enrolled. Claims will be paid at the secondary rate, leaving you responsible for the difference. You could face thousands in unexpected bills. ## Scenario 3: Your Spouse Has Employer Coverage The same 20-employee rule applies if you're covered under your **spouse's** employer plan: - **Spouse's employer has 20+ employees:** You can delay Part B without penalty while covered under their plan - **Spouse's employer has under 20 employees:** You must enroll in Medicare at 65, regardless of spousal coverage - When your spouse retires or you lose coverage, you get an 8-month SEP to enroll in Part B ## Scenario 4: COBRA Coverage This is a common and costly mistake. **COBRA does NOT count as current employer coverage.** If you're on COBRA when you turn 65: - You must enroll in Medicare Parts A and B during your Initial Enrollment Period - COBRA becomes secondary to Medicare once you're enrolled - If you delay Medicare enrollment because you have COBRA, you will face late enrollment penalties - Most people should drop COBRA once they have Medicare plus a supplement or Advantage plan ## Scenario 5: Federal Employee Health Benefits (FEHB) If you're a federal retiree with FEHB: - You can keep FEHB alongside Medicare - Enrolling in Part B is optional but recommended — your FEHB plan often becomes much more generous with Medicare as the primary payer - Many FEHB plans waive copays and deductibles when Medicare pays first - You won't face a late enrollment penalty if you have FEHB, but enrolling in Part B at 65 typically gives you the best overall coverage and lowest out-of-pocket costs ## Understanding Part B Late Enrollment Penalties If you should have enrolled in Part B but didn't, you'll face a **permanent penalty** of 10% for every full 12-month period you were eligible but not enrolled and didn't have qualifying coverage. ### Example Penalty Calculation Say you turned 65 in 2023, worked for a small employer (under 20), didn't sign up for Part B, and finally enrolled in 2026: - 3 years delayed = 30% permanent penalty on Part B premiums - 2026 standard Part B: $185/month - Your Part B with penalty: **$240.50/month — for life** - You can only enroll during the General Enrollment Period (January 1 - March 31), with coverage starting July 1 Use our [Part B Penalty Calculator](/calculators/part-b-penalty) to see exactly what you'd pay. ## Step-by-Step: What to Do When You're Turning 65 and Still Working 1. **Find out your employer size** — Ask HR how many employees the company has. The 20-employee threshold is what matters. 2. **Check your drug coverage** — Ask if your employer drug plan is "creditable" (at least as good as Medicare Part D). They must send you a notice annually. 3. **Consider your HSA** — If you have an HSA and want to keep contributing, plan carefully around Part A enrollment. 4. **Talk to your HR/benefits department** — Get their guidance on how your employer plan coordinates with Medicare. 5. **Consult a Medicare specialist** — An independent agent can review your specific situation and help you avoid costly mistakes. This consultation is free. 6. **Get enrollment timing right** — Mark your Initial Enrollment Period on your calendar and don't miss deadlines. ## Frequently Asked Questions Can my employer force me to enroll in Medicare? No. Your employer cannot force you to sign up for Medicare. However, if you work for a small employer (under 20), failing to enroll means your employer plan becomes secondary and may not cover claims properly. It's in your best interest to enroll on time. What if my employer has both full-time and part-time employees? CMS counts all employees — full-time and part-time — when determining the 20-employee threshold. If the company has 20+ total employees at any point during the year, the large employer rules apply. I'm self-employed. Do I need Medicare at 65? Yes. Self-employment does not provide a Special Enrollment Period. You should enroll in Medicare during your Initial Enrollment Period around your 65th birthday. If you have a Marketplace (ACA) plan, you must switch to Medicare — you cannot receive ACA subsidies once eligible for Medicare. What if I retire mid-year? When you retire and lose employer coverage, you have an 8-month Special Enrollment Period to sign up for Part B without penalty. Don't wait until the next General Enrollment Period — sign up as soon as you lose coverage. Contact Social Security to initiate enrollment. My employer coverage is better than Medicare. Should I still enroll? If your employer has 20+ employees, you can keep employer coverage as primary and delay Part B. But always enroll in Part A (unless you have an HSA) since it's free. When you eventually retire, compare your options — Original Medicare + Medigap often provides better nationwide coverage than employer plans. ### Working Past 65? Let Us Review Your Situation Every employment situation is different. We'll analyze your employer coverage, company size, and retirement plans to create a Medicare enrollment strategy that avoids penalties and maximizes your benefits. [Schedule Your Free Consultation](/appointments) This article provides general Medicare guidance and is current as of 2026. Your specific situation may involve additional factors not covered here. Always verify your employer size and coverage details with your HR department. Dalton Insurance Agency provides free, no-obligation Medicare consultations to help you navigate these decisions. 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With expertise in Medicare Advantage, Medigap, and Part D plans,Tyler provides personalized guidance to help you find the best coverage for your needs. [View Full Bio →](/about/tyler-dalton) ## Join Our Free Medicare 101 Webinar Learn everything you need to know about Medicare in our comprehensive educational webinar. Perfect for those new to Medicare or reviewing their options. [Sign Up for Free Webinar →](https://go.daltoninsurance.biz) ## Need Personalized Guidance? Our licensed Medicare advisors are here to help you navigate your coverage options. Schedule a free consultation today. [Schedule Free Consultation](/#contact) ## Get Medicare Tips Delivered to Your Inbox Join 5,000+ Alabama seniors receiving expert Medicare guidance and updates. Plus, get our free Medicare Enrollment Checklist PDF when you subscribe. Subscribe Free 🔒 We never share your information. Unsubscribe anytime. ## Continue Reading [ Nov 1, 2025 • 18 min read ### Medicare Annual Enrollment 2026: Your Complete Guide Before the December 7 Deadline Complete guide to Medicare Annual Enrollment 2025. Learn how to compare plans, avoid costly mistakes, and choose the best Medicare coverage before the December 7 deadline. Read article→ ](/blog/medicare-annual-enrollment-2025-guide)[ Oct 15, 2025 • 15 min read ### Medicare AEP 2026 in Alabama: What Every Senior Should Know Before December 7 Medicare Annual Enrollment Period runs October 15 through December 7, 2025. Learn about major plan changes, exits, Guaranteed Issue rights, and how to get free reviews in Auburn, Dadeville, Opelika, and surrounding Alabama areas. Read article→ ](/blog/medicare-aep-2025-alabama-auburn-dadeville-guide)[ Sep 25, 2025 • 20 min read ### Working Past 65: Complete Guide to Medicare Enrollment, Employer Coverage, and Avoiding Penalties Essential guide for those working past 65. Learn when to enroll in Medicare, how employer coverage works, coordination of benefits, and strategies to avoid late enrollment penalties. Read article→ ](/blog/working-past-65)[ Sep 16, 2024 • 12 min read ### Working Past 65? Your Complete Guide to Enrolling in Medicare Part B When You're Ready A comprehensive guide for Alabama seniors working past 65. Learn when to enroll in Medicare Part B, the critical employer size rules, required forms (CMS-40B and CMS-L564), and how to avoid costly late enrollment penalties. Read article→ ](/blog/working-past-65-medicare-part-b-enrollment-guide)[ Feb 25, 2026 • 12 min read ### How to Sign Up for Medicare: Your Complete Step-by-Step Guide (2026) Not sure how to sign up for Medicare? This step-by-step guide walks you through enrolling in Parts A, B, C, and D — online, by phone, or in person. Includes official SSA links and key deadlines. Read article→ ](/blog/how-to-sign-up-for-medicare-step-by-step-guide)[ Mar 1, 2026 • 10 min read ### Can I Cancel Medicare? What Happens If I Drop Coverage You can drop Medicare Part B, but you'll face lifetime penalties if you re-enroll later. Here's when it makes sense and when it doesn't. Read article→ ](/blog/can-i-cancel-medicare) In This Article - [What Medicare Covers for Diabetes](#what-medicare-covers) - [Insulin, CGMs, and Supplies](#insulin-cgms-supplies) - [Costs and Gaps](#costs-gaps) - [How to Get Help](#get-help) Related Resources - [Medicare Supplement Plan G vs N](/blog/plan-g-vs-n-alabama) - [What Is IRMAA?](/blog/what-is-irmaa) - [Working Past 65 & Medicare](/blog/working-past-65) - [Turning 65 Checklist](/blog/turning-65-checklist) Contact Us 📞 (334) 489-3624 ✉️ tyler@daltoninsurance.biz 📍 221 E South Street, Dadeville, AL 36853 🕒 Mon–Fri: 8:30 AM – 6:00 PM ⭐ Lifetime Support: Once you are our client, you are our client for life⭐ ### Dalton Insurance Your trusted Medicare & Wealth advisors. Helping families secure their health and protect their wealth for nearly 15 years. 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