Northwestern Medicine ACO, LLC, is an Accountable Care Organization (ACO). This recognizes our ability to work together with CMS and participating physicians to provide high-quality service to our Medicare Fee-for-Service beneficiaries, ensuring they receive the right care at the right time in the right setting. As an organization, we work closely with physicians and other healthcare providers participating in the ACO to promote seamless, coordinated care.

Northwestern Medicine Physician Network ACO helps providers to track a Medicare Fee-for-Service beneficiary’s services across multiple care settings to ensure that each healthcare provider who has a role in a Medicare Fee-for-Service beneficiary’s care can have a complete picture—providing an improved care experience for each patient. This section describes important information for the public about Northwestern Medicine Physician Network ACO.

ACO Name and Location

Northwestern Medicine ACO, LLC
541 North Fairbanks Court, Suite 1500
Chicago, Illinois 60611

ACO Primary Contact

Jessica Walradt
312.926.5637
Jessica.Walradt@nm.org

Organizational Information

ACO participants:

ACO Participants	ACO Participant in Joint Venture (Enter Y or N)
Aagaard 5, LLC	N
Advanced Center for Internal Medicine	N
Algimantas S Kerpe	N
Allergy & Asthma Medical Associates	N
Anjali Mehta	N
Anne Marie Kudelka, MD, FACC, Center for Heart Health, LLC	N
Armbrust 7 LLC	N
Beata I Styka	N
Bethany Cluskey	N
Central DuPage Emergency Physicians PC	N
Central DuPage Physician Group	N
Constants Adams	N
David K Zich	N
Diane L Ozog, MDSC	N
Emergency Medical Associates of Palos LTD	N
Ewa V Hampston MD SC	N
Grayslake Medical Group	N
Instep Poidatry	N
Internal Medicine Associates	N
JeeYoon Park	N
John Carroll	N
Lakeshore Obstetrics and Gynecology	N
Mass Medical SC	N
Melinda Lukens	N
NM Khan MD SC	N
North Shore Medical Associates	N
North Shore Primary Care	N
North Suburban Family Physicians	N
Northwestern Medical Faculty Foundation	N
Northwestern Specialists in Plastic Surgery	N
Northwestern Surgical Associates	N
Patricia Katz	N
Perry L Kamel MD SC	N
Personalized Phsyciains Group LTd	N
Premier General Medicine	N
Radiology Subspecialists of Northern Illinois	N
Ronald W Riegelhaupt	N
Sean D O'Connor MD SC	N
Shelly L Betman MD SC	N
Suburban Neurology Group	N
Surgery Group SC	N
Timothy C Hain	N
Valley Emergency Care Management	N
Wheaton Eye	N

ACO governing body:

Member			Member's Voting Power (Expressed as a percentage)	Membership Type	ACO Participant TIN Legal Business Name/DBA, if Applicable
First Name	Last Name	Title/Position
Douglas	Ambler	MD/Chair	12.5%	Physician Representative	Central DuPage Physician Group
Steven	Armbrust	MD/Voting Member	12.5.%	Physician Representative	Armbrust 7, LLC
Christine	Amstadt	DO/Voting Member	12.5.%	Physician Representative	Central DuPage Physician Group
Brian	Walsh	Voting Member	12.5.%	System Representative	Central DuPage Hospital Association
Jon	Aagaard	MD/Voting Member	12.5.%	Physician Representative	Aagaard 5, LLC
Phillip	Roemer	MD/Voting Member	12.5.%	Physician Representative	Northwestern Medical Faculty Foundation
Cheryl	Wilkes	MD/Voting Member	12.5.%	Physician Representative	Northwestern Medical Faculty Foundation
David	Watt	Voting Member	12.5.%	Medicare Beneficiary Representative	N/A

Key ACO clinical and administrative leadership:

ACO Executive	Brian Walsh
Medical Director	Douglas Ambler
Compliance Officer	Justine Dover
Quality Assurance/Improvement Officer	Vanessa Flaherty

Associated committees and committee leadership:

Committee Name	Committee Leader Name and Position
Physician and Patient Engagement Committee	Dr. Douglas Ambler, Medical Director
Quality Improvement Committee	Vanessa Flaherty

Types of ACO participants, or combinations of participants, that formed the ACO:

• Hospital employing ACO professionals
• Networks of individual practices of ACO professionals

Shared Savings and Losses

Amount of Shared Savings/Losses

• Third Agreement Period
• Performance Year 2022, $0
• Second Agreement Period
• Performance Year 2021, $0
• Performance Year 2020, $0
• Performance Year 2019, $0
• Performance Year 2018, $0
• First Agreement Period
• Performance Year 2017, $0
• Performance Year 2016, $0
• Performance Year 2015, $0

Shared Savings Distribution

• Third Agreement Period
• Performance Year 2022
• Proportion invested in infrastructure: N/A
• Proportion invested in redesigned care processes/resources: N/A
• Proportion of distribution to ACO participants: N/A
• Second Agreement Period
• Performance Year 2021
• Proportion invested in infrastructure: N/A
• Proportion invested in redesigned care processes/resources: N/A
• Proportion of distribution to ACO participants: N/A
• Performance Year 2020
• Proportion invested in infrastructure: N/A
• Proportion invested in redesigned care processes/resources: N/A
• Proportion of distribution to ACO participants: N/A
• Performance Year 2019
• Proportion invested in infrastructure: N/A
• Proportion invested in redesigned care processes/resources: N/A
• Proportion of distribution to ACO participants: N/A
• Performance Year 2018
• Proportion invested in infrastructure: N/A
• Proportion invested in redesigned care processes/resources: N/A
• Proportion of distribution to ACO participants: N/A
• First Agreement Period
• Performance Year 2017
• Proportion invested in infrastructure: N/A
• Proportion invested in redesigned care processes/resources: N/A
• Proportion of distribution to ACO participants: N/A
• Performance Year 2016
• Proportion invested in infrastructure: N/A
• Proportion invested in redesigned care processes/resources: N/A
• Proportion of distribution to ACO participants: N/A
• Performance Year 2015
• Proportion invested in infrastructure: N/A
• Proportion invested in redesigned care processes/resources: N/A
• Proportion of distribution to ACO participants: N/A

Quality Performance Results

2022 Quality Performance Results:

Quality performance results are based on CMS Web Interface.

Measure #	Measure Name	Collection Type	Rate	ACO Mean
Quality ID#: 001	Diabetes: Hemoglobin A1c (HbA1c) Poor Control	CMS Web Interface	6.57	10.71
Quality ID#: 134	Preventative Care and Screening: Screening for Depression and Follow-up Plan	CMS Web Interface	87.90	76.97
Quality ID#: 236	Controlling High Blood Pressure	CMS Web Interface	73.44	76.16
Quality ID#: 318	Falls: Screening for Future Fall Risk	CMS Web Interface	98.10	87.83
Quality ID#: 110	Preventative Care and Screening: Influenza Immunization	CMS Web Interface	93.05	77.34
Quality ID#: 226	Preventative Care and Screening: Tobacco Use: Screening and Cessation Intervention	CMS Web Interface	92.31	79.27
Quality ID#: 113	Colorectal Cancer Screening	CMS Web Interface	83.98	75.32
Quality ID#: 112	Breast Cancer Screening	CMS Web Interface	80.48	78.07
Quality ID#: 438	Statin Therapy for the Prevention and Treatment of Cardiovascular Disease	CMS Web Interface	89.96	86.37
Quality ID#: 370	Depression Remission at Twelve Months	CMS Web Interface	1.96	16.03
Quality ID#: 321	CAHPS for MIPS	CAHPS for MIPS Survey	N/A	N/A
Measure#: 479	Hospital-Wide, 30-Day, All-Cause Unplanned Readmission (HWR) Rate for MIPS Groups	Administrative Claims	0.1576	0.1510
Measure#: 484	Clinician and Clinician Group Risk-standardized Hospital Admission Rates for Patients with Multiple Chronic Conditions	Administrative Claims	39.74	30.97

For previous years’ Financial and Quality Performance Results, please visit: data.cms.gov