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CMS Updates GADCS User Guide | Feb 29 Office Hours

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Dear Ground Ambulance Providers and Suppliers,

Starting January 1, 2024, selected ground ambulance organizations in Year 3 and Year 4 are required to report cost, utilization, revenue, and other information to CMS. Organizations that fail to report may be subject to a 10 percent payment reduction.

Learn about an updated user guide and upcoming webinar:

Medicare Ground Ambulance Data Collection System: Updated GADCS User Guide

CMS updated the step-by-step Medicare Ground Ambulance Data Collection System (GADCS) User Guide to include changes that we finalized in the CY 2024 Physician Fee Schedule final rule.

More Information:


Medicare Ground Ambulance Data Collection System: Office Hours Session – February 29

Thursday, February 29 from 2–3pm ET

Register for this webinar:

Do you have questions about the Medicare Ground Ambulance Data Collection System (GADCS)? CMS and our contractors will address GADCS-related questions in real-time. While everyone is welcome to participate, this session will be most relevant to selected ground ambulance organizations in Year 3 and Year 4 of the GADCS as they begin reporting data to CMS in 2024.

This session will be divided into 2 topics:

  • 2–2:30pm: GADCS instructions and how to respond to specific questions
  • 2:30–3pm: User accounts, accessing the GADCS portal, and information technology issues

Visit  Medicare Ground Ambulance Data Collection System for resources including:

  • Printable version of the GADCS instrument in English and Spanish
  • Updated GADCS User Guide
  • Tip sheets on reporting and getting access to the GADCS, FAQs, and prior educational sessions
  • Lists of ground ambulance organizations required to participate in Years 1–4

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