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First Coast’s live chat

April 27, 2026
Join us on medicare.fcso.com for live chat, available Monday-Friday, 10 a.m.-2 p.m. Eastern Time (ET) for website-related inquiries. At First Coast, the needs of our provider community come first.

MLN Connects for October 17, 2024

April 27, 2026
This edition includes information on the upcoming HCPCS public meeting, health literacy for patients, PrEP for HIV billing, and more.

MLN Connects for May 8, 2025

April 27, 2026
This edition includes information on preventing claim denials for walkers, a HCPCS public meeting, Medicare preventive services, and more.

5010 reject code lookup: Help guide

April 27, 2026
Learn how to use First Coast’s 5010 reject code lookup to resolve data-based issues with your 5010 claim files more quickly.

Reporting place of service (POS) codes

April 27, 2026
The place of service (POS) is required on all health insurance claims submitted to Medicare Part B contractors.

Immunization

April 27, 2026
See this article for additional resources for mass immunizers.

CERT A/B MAC Outreach & Education Task Force

April 27, 2026
The nation's leading MACs have joined together to create the CERT A/B MAC Outreach & Education Task Force. This unified educational initiative benefits providers as well as the Medicare program.

MLN Connects for September 5, 2024

April 27, 2026
This edition includes information on National Recovery Month, prior authorization for osteogenesis stimulators, new code for Kisunla drug, and more.

MLN Connects for April 3, 2025

April 27, 2026
This edition includes information on lower limb orthoses claim denials, new contact information for the external user services help desk, and more.

Introducing our new and improved Medicare Navigator Program

April 16, 2026
The Medicare Navigator Program continues this April with targeted webinars highlighting Part A billing. Gain practical insights, expert guidance, and tools to help you submit Medicare claims with confidence. View upcoming webinars on Part A…
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