Important Links
Ambulance Fee Schedule (AFS)
Medicare Ground Ambulance Data Collection System
- Medicare Ground Ambulance Data Collection System (GADCS)
- Medicare Ground Ambulance Data Collection System (GADCS) Report Appendix Year 1-Year 4 Cohort Analysis (PDF) – 12/09/2025
- Medicare Ground Ambulance Data Collection System (GADCS) Updated Codebook Year 1-4 Cohort Analysis (PDF) – 12/09/2025
- Medicare Ground Ambulance Data Collection System (GADCS) Report Year 1 and Year 2 Cohort Analysis (PDF) – 12/19/2024
- Medicare Ground Ambulance Data Collection System (GADCS) Codebook (PDF) – Revised 09/09/2025
- GADCS User Guide (PDF) - Updated 01/01/2024
- Frequently Asked Questions (FAQs) (PDF) - Updated 11/02/2023
- Ground Ambulance Data Collection Instrument (PDF) - Updated 11/02/2023
- Ground Ambulance Data Collection Instrument: Spanish (PDF) - Updated 11/02/2023
- Five Top GADCS Tips for Selected Ground Ambulance Organizations in Year 1 and Year 2 that are Required to Report Beginning in January 2023 (PDF) - Updated 11/02/2023
- Five Top Medicare Ground Ambulance Data Collection System (GADCS) Tips for Selected Year 3 and Year 4 Ground Ambulance Organizations Required to Report Beginning in January 2024 (PDF)
- Quick Tips on Registration and Requesting Access to the GADCS Portal (PDF) - Updated 01/06/2023
- Tip Sheet on Allocating Costs and Revenues (PDF)
- Tip Sheet on Reporting Expenses for Contracted Services (PDF)
- Tip Sheet on Reporting for Public Safety Organizations (PDF) -Updated 11/29/2023
- Tip Sheet on Reporting for Government-Based Organizations (PDF)
- Tip Sheet on Reporting for Provider Organizations (PDF)
- Tip Sheet on Reporting for Rural and Super Rural Organizations (PDF) - 02/16/2024
- GADCS Educational Webinars
- Quick Reference Guide (PDF)
- Report: Medicare’s Ground Ambulance Data Collection System: Sampling and Instrument Considerations and Recommendations (PDF)
- Selected Providers & Suppliers: Year 1 (ZIP)
- Selected Providers & Suppliers: Year 2 (ZIP)
- Selected Providers & Suppliers: Year 3 (ZIP) - 11/07/2022
- Selected Providers & Suppliers: Year 4 (ZIP) - 11/07/2022
- Facilities Template (ZIP) - Updated 11/07/2022
- Vehicles Template (ZIP) - Updated 11/07/2022
- Hardship Exemption Request Form (PDF)
- Ground Ambulance Industry Trends, 2017–2020 Report: Analysis of Medicare Fee-for-Service Claims (PDF)
- Ground Ambulance Industry Trends, 2017–2022 Report: Analysis of Medicare Fee-for-Service Claims (PDF) - 07/22/2024
- Ground Ambulance Industry Trends, 2017–2022 Report: Analysis of Ground Ambulance Organization Entrance and Exit (PDF) - 07/22/2024
Educational Resources/Archive & Legacy Files
General Provider & Supplier Information
How to Stay Informed
- Ambulance Events
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