| Date | Title | Description | Format |
|---|---|---|---|
| 2025-12-09 | Medicare Ground Ambulance Data Collection System (GADCS) Report Appendix Year 1-Year 4 Cohort Analysis (PDF) | This appendix is an update to the GADCS Report that was posted on December 19, 2024. This appendix updates the response rates, summary statistics, and econometric analyses described in the previous report with data from all cohorts of the GADCS reported as of May 15, 2025 (including Year 1 through Year 4 cohorts). | |
| 2025-12-09 | Medicare Ground Ambulance Data Collection System (GADCS) Updated Codebook Year 1-4 Cohort Analysis (PDF) | This codebook accompanies the appendix report and describes the structure and contents of the Medicare Ground Ambulance Data Collection System (GADCS) Year 1-Year 4 analytic file used to conduct the analyses described throughout the report. | |
| 2025-09-09 | Medicare Ground Ambulance Data Collection System (GADCS) Codebook (PDF) | This codebook accompanies the report and describes the structure and contents of the Medicare Ground Ambulance Data Collection System (GADCS) Year 1 and Year 2 analytic file used to conduct the analyses described throughout the report. This codebook was originally posted on 12/19/2024. We revised some column numberings in the codebook (pages 43-46) to correct minor errors. | |
| 2025-05-06 | Quick Tips on Registration and Requesting Access to the GADCS Portal: Spanish (PDF) | Tip sheet on how to access the system in Spanish. | |
| 2024-12-19 | Medicare Ground Ambulance Data Collection System (GADCS) Report Year 1 and Year 2 Cohort Analysis (PDF) | This is CMS’ first report on the GADCS data that was reported by selected ground ambulance organizations in Year 1 and Year 2. | |
| 2024-09-18 | Reporting Labor Information in the Medicare Ground Ambulance Data Collection System (GADCS) | Provides a quick overview of the requirements to report staffing and labor costs (Section 7) in the Medicare GADCS. | Video |
| 2024-07-22 | Ground Ambulance Industry Trends, 2017-2022 Report: Analysis of Medicare Fee-for-Service Claims (PDF) | Analysis of Medicare Part B ambulance services claims data from 2017-2022. | |
| 2024-07-22 | Ground Ambulance Industry Trends, 2017-2022 Report: Analysis of Ground Ambulance Organization Entrance and Exit (PDF) | Analysis of ground ambulance organizations that entered and exited the market during 2017-2022. | |
| 2024-02-16 | Reporting for Rural and Super Rural Organizations (PDF) | Tip sheet to assist rural and super rural organizations in reporting in the GADCS. | |
| 2024-01-01 | GADCS User Guide (PDF) | User manual that provides information about the system and section-by-section instructions on reporting. | |
| 2023-11-29 | Reporting for Public Safety Organizations (PDF) | Tip sheet to assist public safety organizations in reporting in the GADCS. | |
| 2023-11-16 | 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) | Tip sheet to assist selected ground ambulance organizations in Year 3 and Year 4 in reporting. | |
| 2023-11-02 | Medicare Ground Ambulance Data Collection Instrument: English (PDF) | Provides the instructions and questions in English that organizations will see in the GADCS web-based portal. | |
| 2023-11-02 | Medicare Ground Ambulance Data Collection Instrument: Spanish (PDF) | Provides the instructions and questions in Spanish that organizations will see in the GADCS web-based portal (portal is in English). | |
| 2023-11-02 | Medicare GADCS FAQs (PDF) | Series of questions and answers for each section of the GADCS to assist selected ground ambulance organizations in collecting and reporting the required GADCS data. | |
| 2023-11-02 | 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) | Tip sheet to assist selected ground ambulance organizations in Year 1 and Year 2 with reporting. | |
| 2023-08-25 | Walkthrough of the Medicare Ground Ambulance Data Collection System | Overview of the GADCS including a walkthrough of the GADCS instrument. | Video |
| 2023-01-26 | Allocating Costs and Revenues (PDF) | Tip sheet to assist organizations in allocating costs and revenues in the GADCS. | |
| 2023-01-26 | Reporting Expenses for Contracted Services (PDF) | Tip sheet to assist organizations in reporting contracted services expenses. | |
| 2023-01-26 | Reporting for Government-Based Organizations (PDF) | Tip sheet to assist government-based organizations in reporting in the GADCS. | |
| 2023-01-26 | Reporting for Provider Organizations (PDF) | Tip sheet to assist provider organizations in reporting in the GADCS. | |
| 2023-01-01 | Quick Tips on Registration and Requesting Access to the GADCS Portal (PDF) | Tip sheet on how to access the system. | |
| 2022-11-09 | Hardship Exemption Request Form (PDF) | Copy of the Hardship Exemption request form. | |
| 2022-11-07 | Facilities Template (ZIP) | Selected ground ambulance organizations may import this template to report facilities costs to the GADCS. | Excel ZIP |
| 2022-11-07 | Vehicles Template (ZIP) | Selected ground ambulance organizations may import this template to report vehicles costs to the GADCS. | Excel ZIP |
| 2022-11-01 | Ground Ambulance Industry Trends, 2017–2020 Report: Analysis of Medicare Fee-for-Service Claims (PDF) | Analysis of Medicare Part B ambulance services claims data from 2017-2020. | |
| 2022-03-08 | Quick Reference Guide (PDF) | Brief overview of the GADCS and list of the specific information that selected organizations must collect and report. | |
| 2019-07-30 | Report: Sampling & Instrument Considerations & Recommendations (PDF) | Report covering sampling and instrument considerations and recommendations in establishing the GADCS. |
Page Last Modified:
12/09/2025 04:15 PM