CMS-40B without the headache.
Enrolling in Medicare Part B? Unsure about enrollment windows or SEP proof? Fill out your CMS-40B in minutes with easy AI walkthroughs.
- 5 min · Average time
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- Private · We don't store answers
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Start your CMS-40B
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02
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Our AI asks plain-English questions and maps your answers onto the official CMS-40B fields.
03
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Walk away with a completed CMS-40B ready to print, share, or keep for your records.
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Reviewed with Medicare enrollment specialists
Reviewed by Medicare enrollment specialists familiar with Part B timing and SEP documentation.
“I had a government form due and this walkthrough made each section much clearer.”
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“The plain-English questions saved me from rereading official instructions.”
“We send people this link instead of a blank PDF when they need help with a form.”
“I had a government form due and this walkthrough made each section much clearer.”
“Helpful for getting paperwork done without guessing at field names.”
“I liked that it did not ask me to create an account.”
“The plain-English questions saved me from rereading official instructions.”
“We send people this link instead of a blank PDF when they need help with a form.”
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We guide you through the CMS-40B, place your answers on the official form, and show you the final result before you download it.
Simple english you can understand
We explain every question in plain language, so you always know what you are answering.
Review before you file
Before submission, confirm your enrollment window and whether CMS-L564 is needed for your Special Enrollment Period case.
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What is the CMS-40B?
CMS-40B is used to enroll in Medicare Part B. Officially, it is the Application for Enrollment in Medicare - Part B (Medical Insurance) . It is used when you want Part B medical insurance coverage.
People often file CMS-40B when they already have Part A. The General Enrollment Period runs January 1 through March 31 each year, with coverage typically starting July 1. Some Special Enrollment Periods may require CMS-L564.
Who needs to fill one out?
People enrolling in Medicare Part B commonly use CMS-40B.
- People with Medicare Part A adding Part B
- People enrolling during the General Enrollment Period
- People using a Special Enrollment Period with employer coverage history
- Applicants who need CMS-L564 support for SEP situations
- Anyone directed to use CMS-40B
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It is used to enroll in Medicare Part B medical insurance coverage.
The General Enrollment Period is January 1 through March 31, with Part B coverage typically starting July 1. SEP cases may require extra proof such as CMS-L564.
Submit CMS-40B through official Medicare enrollment channels for your timing window.
Most people finish in about 5 min.
No. There's no login, no signup, and no subscription. Open the walkthrough, fill it out, download your PDF.
No. We don't save or store your information once your session is done. The completed PDF lives only on your device.
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