Become a Member

2017 New ACO Class


Accountable Care Organizations (ACOs) offer enormous opportunity for patients and providers to work together to increase quality of care, lower costs and improve the health of the community. Determined to create an environment for advocacy and shared learning, organizations representing more than 200 accountable care organizations from 40 states, as well as Puerto Rico and Washington, DC, own and govern NAACOS. Our mission is to:

  • Foster growth of ACO models of care;
  • Participate with Federal Agencies in development & implementation of public policy;
  • Provide industry-wide uniformity on quality and performance measures;
  • Educate members in clinical and operational best practices;
  • Collectively engage the vendor community, and
  • Educate the public about the value of accountable care.

NAACOS Spring 2016 Membership Brochure

As a member of NAACOS, you have the opportunity to contribute to and shape our policy agenda - NAACOS is THE voice of ACOs to CMS, the White House and on Capitol Hill.  Members also benefit from the resources NAACOS provides for starting and maintaining successful ACOs. 

Member Benefits: 

All ACO members receive the same benefits including: 

  • Preferred access to and discounts for NAACOs conferences
  • Free access to NAACOs webinars
  • Biweekly policy newsletters
  • Policy papers and advocacy participation
  • Membership eligibility for NAACOs Board and Committees
  • NAACOOLNational Association of ACO Online Library is a resource dedicated to all categories relevant to ACOs
  • B-CAPA, Benchmarking Data Comparison Program
  • ACO Compliance Manual
  • Career center where members may provide job opportunity postings to their organizations free of charge

Membership Types: 
1. Single ACO entities contracting with CMS
An ACO legal entity that holds one or more contracts with CMS for the MSSP, Next Gen or Pioneer ACO programs or has been approved as an MSSP ACO and is in the process of signing a contract

Single ACOs have 1 vote for single ACO Board seats in each year's election. 

Dues Structure (annual) 

  • $3500 (5000-9999 assigned beneficiaries2)
  • $5000 (10,000-29,999 assigned beneficiaries2)
  • $7500 (30,000 + assigned beneficiaries2)

APPLICATION: Once your application is accepted, NAACOS will email you an invoice for dues 

2. Multi owned/affiliated ACOs 
A legal entity that owns3 2 or more ACO's that have contracted with CMS or plan to contract with CMS in the next 12 months 

Multi-owned/Affiliated ACOs receive 1 vote for multi-ACO Board seats. 

Dues Structure (annual) 
Please contact Brian Hammer for more information about becoming a multi-ACO member 

3. Non-CMS. Commercial Payer ACOs 
Entities that own or are financially integrated with one or more ACOs and that do not contract with CMS but that contract with one or more commercial insurance organizations and/or State Medicaid Agency to provide accountable care to a specified population of beneficiaries and that financially share in the risk and/or benefit from savings defined in the contract. 

Multi-owned/Affiliated ACOs receive 1 vote for commercial payer ACO Board seats. 

Dues Structure (annual)

  • $2000 per ACO legal entity

APPLICATION: Once your application is accepted, NAACOS will email you an invoice for dues 

4. Associate Members (non-voting)
ACO Legal Entity or other Provider Organization applying to CMS or considering becoming an ACO in the future. 
These members are non-voting. 

Dues Structure (annual)

  • $3000

APPLICATION: Once your application is accepted, NAACOS will email you an invoice for dues

Vendors, educational affiliates, current Business Partners and others - See Partner Page

If you have questions, please contact the membership department at or (202) 640-2659.

1Membership dues are customarily, if not always, deductible by member groups as a business expense for federal tax purposes subject to restrictions imposed as a result of association lobbying activities. NAACOS estimates that the nondeductible portion of membership dues attributable to lobbying activities for the year ending December 31, 2016 is 20%. 
2Most current number of aligned beneficiaries identified in the contract with CMS or updated by CMS at time of application to NAACOS 
3Ownership is defined as "wholly owned or financially integrated through contracts either sharing gains or losses or both

Terms and Conditions