Rush Health ACO Inc.


This page provides important information for the public about Rush Health ACO Inc. For general questions or additional information about Accountable Care Organizations, please visit www.medicare.gov/acos.html or call 1-800 MEDICARE (1-800-633-4227). TTY users should call 1-877-486-2048.


ACO Name and Location
Rush Health ACO Inc.
1645 W. Jackson Blvd., Suite 501
Chicago, IL 60612

ACO Primary Contact
Amanda Tosto, AVP Operations, Rush Health
amanda_p_tosto@rush.edu
312.563.4579

Organizational Information
ACO Participants - Download the Participant List

ACO Governing Body
Board of Directors
  • Charles Bush Joseph, MD, Chair and Voting Director, Midwest Orthopaedics at Rush
  • Donald Childs, MD, Voting Member, ACO Participant, Rush Oak Park Physicians Group Family Medicine/Rush Medical Group
  • John Diederich, MA, MBA, FACHE, Voting Member, ACO Participant, Rush Copley Medical Group/Rush Medical Group
  • Luis Garcia, MD, FACS, MBA, FACHE, Voting Member, ACO Participant, Rush University Medical Group/Rush Medical Group
  • Michael Hanak, MD, FAAFP, Voting Member, ACO Participant, Rush University Medical Group/Rush Medical Group
  • Stephen Kelanic, MD, FACS, MBA, Voting Member, ACO Participant, Rush Copley Medical Group/Rush Medical Group
  • Stonewall McCuiston, MD, Voting Member, ACO Participant, Riverside Health System
  • Patricia O’Neil, MAE, Voting Member, ACO Participant, Rush University Medical Group/Rush Medical Group
  • Dino Rumoro, DO, MPH, FACEP, Voting Member, ACO Participant, Rush Oak Park Physicians Group Anchor/Rush Medical Group
  • Brian Stein, MD, Voting Member, ACO Participant, Rush University Medical Group/Rush Medical Group
  • Karen Teitelbaum, MBA, Voting Member, Medicare Beneficiary Representative
  • Patt Vilt, CPA, MBA, MJ, Voting Member, ACO Participant, Riverside Health System

ACO Key Clinical and Administrative Leadership
  • Meghan McInnis, ACO Executive and President
  • Garth Walker, MD, ACO Medical Director
  • Amanda Tosto, RN, MS, Compliance Officer
  • Laura Zimmermann, MD, Compliance Officer, Quality Assurance/Improvement Officer
  • Cynthia Schroeder, PhD, MHS, ACO Administrator, Secondary Quality Assurance/Improvement Officer

Types of ACO Participants or Combinations of Participants that Formed the ACO
  • Networks of individual practices of ACO professionals
  • Hospital employing ACO professionals

Shared Savings and Losses
Amount of Shared Savings/Losses
Our ACO has not yet received financial reconciliation results; therefore, this section is not applicable at this time.

Shared Savings Distribution
Our ACO has not yet received financial reconciliation results; therefore, this section is not applicable at this time.
Our ACO re-entered the Shared Savings Program in Performance Year 2026 under agreement period 2. Shared savings/losses and shared savings distributions are therefore reported, beginning with this agreement period.

Quality Performance Results
2024 Quality Performance Results:
Our ACO did not participate in the Shared Savings Program in this performance year, therefore, this section is not applicable at this time.

Payment Rule Waivers
  • Skilled Nursing Facility (SNF) 3-Day Rule Waiver:
    • Our ACO uses the SNF 3-Day Rule Waiver, pursuant to 42 CFR § 425.612.