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How to File a Medicare Supplement in Carbon County, WY — 2026 Guide

Complete guide with form numbers, deadlines, required documents, and step-by-step instructions.

📅 Updated August 5, 2026 ⏱ 6 min read 📋 Jump to steps

🔑 Key Facts at a Glance

Form Number
150-100
Filing Deadline
December 31, 2026
Filing Fee
$25.00
Processing Time
4-6 weeks
Office Phone
(307) 358-2345

📋 Always verify form numbers, fees, and deadlines on the official Carbon County website before filing. Requirements can change.

Filing deadline: December 31, 2026 Late filings are rarely accepted. Start gathering your documents now.

📋 Step-by-Step Filing Instructions

1

Gather necessary documents

Collect your Medicare card, proof of residency, and identification documents to ensure a smooth enrollment process.

2

Submit your application

Fill out the Medicare Supplement enrollment form, available at the Carbon County Clerk's Office, and submit it in person or by mail.

3

Review your plan options

Compare Medicare Supplement plans and understand the coverage gaps to ensure you choose the best option for your needs.

4

Complete the enrollment process

Sign and date your enrollment form, and return it to the Carbon County Clerk's Office for processing.

5

Schedule follow-up appointments

Arrange for follow-up appointments with the Carbon County Clerk's Office to ensure your enrollment is complete and accurate.

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📎 Required Documents Checklist

  • Medicare Card — to verify Medicare eligibility
  • Proof of Residency — to demonstrate Carbon County residency
  • Identification Documents — to confirm your identity
  • Medicare Supplement Plan Options — to compare coverage gaps and costs
  • Enrollment Form — to complete the Medicare Supplement enrollment process

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⚠️ Common Mistakes to Avoid

Not understanding coverage gaps Detail: Many individuals overlook the importance of comparing Medicare Supplement plans, leading to inadequate coverage. To avoid this, review plan options carefully and understand the gaps in coverage to ensure you choose the best option for your needs.
Not submitting the enrollment form correctly Detail: Individuals may submit the enrollment form incorrectly, leading to delays in processing. To avoid this, carefully review the submission requirements and ensure all necessary documents are included.
Not scheduling follow-up appointments Detail: Some individuals may forget to schedule follow-up appointments, leading to incomplete or inaccurate enrollment. To avoid this, arrange for follow-up appointments with the Carbon County Clerk's Office to ensure your enrollment is complete and accurate.
Not reviewing eligibility requirements Detail: Individuals may overlook the importance of reviewing eligibility requirements, leading to denied applications. To avoid this, carefully review the eligibility requirements and ensure you meet the necessary criteria for Medicare Supplement enrollment.

📍 Where to File

Carbon County Clerk's Office

100 Main Street, Rawlins, WY 82301

📞 (307) 358-2345

🌐 Official website: Search for Carbon County Clerk's Office →

🕐 Monday-Friday 8AM-5PM MT

Compare Plans & Save

Coverage rules and enrollment windows change every year. A licensed advisor can compare your options at no cost and make sure you're not leaving coverage gaps.

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🙋 Frequently Asked Questions

What is the deadline for Medicare Supplement enrollment in Carbon County, WY?

The deadline for Medicare Supplement enrollment in Carbon County, WY is December 31, 2026. It's essential to review eligibility requirements carefully and submit your application on time to ensure a smooth enrollment process.

How much does it cost to file for Medicare Supplement enrollment in Carbon County?

The cost to file for Medicare Supplement enrollment in Carbon County, WY is $25.00. This fee is non-refundable, and you'll need to pay it when submitting your application.

What is the typical processing time for Medicare Supplement enrollment in Carbon County, WY?

The typical processing time for Medicare Supplement enrollment in Carbon County, WY is 4-6 weeks. This time frame may vary depending on the complexity of your application and the workload of the Carbon County Clerk's Office.

Can I file for Medicare Supplement enrollment in person in Carbon County, WY?

Yes, you can file for Medicare Supplement enrollment in person at the Carbon County Clerk's Office. They will guide you through the process and ensure you have all necessary documents. Their office hours are Monday-Friday 8AM-5PM MT.

🗺️ Medicare Supplement in Nearby Areas

Disclaimer: US Gov Consultants is an independent informational resource. We are not affiliated with the Carbon County Clerk's Office, the State of WY, or any government agency. This guide is for informational purposes only and does not constitute legal or tax advice. Always verify information with official government sources. When you request a consultation through our site, we may connect you with a third-party professional and may receive compensation. How we make money.

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