Next Gen ACO Model


The Next Generation ACO Model is intended for ACOs with sufficient experience in advancing population health. This new model allows providers to assume greater financial risk and reward than the Medicare Shared Savings Program and allows greater flexibility for care coordination. 


  • CMS Next Generation ACO webpage and federal regulations governing the MSSP
  • NAACOS ACO Comparison Chart Updated for 2018 
  • NAACOS Overview of Research on ACO Performance resource catalogs key ACO studies
  • NAACOS members have access to our access to our exclusive listserv of member ACOs. This tool allows you to send messages and ask questions through a single email to distribute messages to all of the members subscribing to the list! 

News and Advocacy

      • The Next Gen ACO Model generated $337 million in gross savings including discounts to Medicare in 2017, according to CMS performance data

      • CMS MLN Article on Next Gen ACO 2019 Benefit Enhancements
        • Clarification on submitting claims for the Post Discharge Home Visit Waiver
      • Innovation Center analysis shows Next Generation ACOs curbed Medicare spending by more than 1 percent. See the NAACOS statement on the release here 
      • NAACOS summary of the 2019/2020 Next Generation Model Methodology changes with comparison to the current methodology 
        • CMS’s summary of 2019 benefit enhancements
        • CMS’s summary of the 2019 quality measure set and quality withhold
      • NAACOS resource provides highlights of the 2018 Medicare ACO class and shows ACO growth over time

      • The Innovation Center announces revised program methodologies for the 2019 and 2020 performance years of the Next Generation Model
      • CMMI announces 58 ACOs participating in the Next Generation ACO Model in 2018, list available here.
        • NAACOS press release welcomes and congratulates 2018 Next Generation ACOs 
      • New! Highlights of the 2016 Medicare ACO performance results
      • NAACOS press release highlights the success of 2016 Next Generation ACO Model participants
      • NAACOS provides detailed recommendations to CMS on how to enhance program reports and files
      • Next Generation ACO Model (NGACO) Policy and Operating Procedures: Adding and terminating TINs and Preferred Providers during the performance year
      • Next Generation ACO Model Sample Participation Agreement
      • CMMI posts 2018 Next Generation ACO Model application information (Letter of Intent due May 4) 
      • New CMS resource on Next Generation ACO Model 
      • NAACOS statement regarding Next Gen ACO Model 
      • CMS-CMMI Announces Next Generation ACO Risk Model