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SLPA ACO, LLC was formed as an accountable care organization (ACO) in the summer of 2014 by ninety healthcare practices representing more than 250 physicians and 31 facilities who are members of the St. Louis Physician Alliance. An ACO is a healthcare organization characterized by a payment and care delivery model based on tying provider reimbursements to quality metrics and reducing the healthcare costs of an assigned or attributable population of patients. ACOs were first created in October 2011 by the Centers for Medicare and Medicaid Services (CMS) as a result of the Affordable Care Act. There are now hundreds of ACOs in operation across the country, working with both CMS and private payors.

The goal of an ACO is to transform the organization, delivery, and financing of care by replacing fragmented, uncoordinated care with a collaborative model in which healthcare providers coordinate treatment to achieve shared goals of better care at a lower cost. An ACO also encourages patient choice and a patient’s ability to have an active partnership with their healthcare providers.

As its first endeavor, SLPA ACO, LLC applied to the Centers for Medicare and Medicaid Services (CMS) for the Medicare Shared Savings Program (MSSP) and was awarded a three-year agreement beginning 1/1/2015. 

For general questions or additional information about Accountable Care Organizations, please visit or call 1-800-MEDICARE (1-800-633-4227). TTY users should call 1-877-486-2048.


ACO Name and Location:

10733 Sunset Office Dr - Suite 262 
St. Louis, MO 63127

Office Hours:  Monday - Friday 8:00 a.m. - 5:00 p.m. 


ACO Primary Contact:

Amy Sullivan, Executive Director 



Organizational Information:


Shared Savings and Losses:

     Amount of Shared Savings/Losses


Shared Savings Distribution


Payment Rule Waivers


Quality Performance Results

For more information on how to interpret scores on the above quality performance measures, see 


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