Posts Archive


Summer 2017 Message From the Directors

As our nation’s healthcare system continues its journey of transformation, CHOIR research is making important contributions on many fronts. For example, our work on patient engagement in ACOs has documented the importance of primary care practices having a patient-centered culture and motivating more activated patients for achieving better patient-reported physical and social outcomes and patients […]


Free Article Access: Evaluating the Impact of an Accountable Care Organization on Population Health

For a limited time, access is free to the newly published article “Evaluating the Impact of an Accountable Care Organization on Population Health: The Quasi-Experimental Design of the German Gesundes Kinzigtal” in Population Health Management. This study, led by the 2015-2016 CHOIR Harkness Fellow Dr. Alexander Pimperl, presents an evaluation study design for assessing the […]


CHOIR at AcademyHealth 2017

CHOIR is looking forward to connecting with colleagues at the 2017 AcademyHealth Annual Research Meeting in New Orleans June 25th – 27th. We are pleased to announce the following scheduled presentations by CHOIR team members:   Podium Presentations Sunday, June 25th 2:00-3:00pm Session: Work Climate Influences on Organizational Performance “Organizational Influences on Time Pressure, Chaos […]

Pages from art_10.1007_s11606-016-3980-z

How does patient engagement relate to patient-reported outcomes? New publication explores this question

The ACTIVATE study, now in its third year, has been collecting data from primary care practices, care team members, and patients at two large accountable care organizations to explore the impact of patient activation and engagement in their care. A recent publication, now online in the Journal of General Internal Medicine, examines the relationship between […]

ACH Toolkit Cover

Accountable Communities for Health Data-Sharing Toolkit

CHOIR’s California Accountable Communities for Health (ACH) Project, led by Dr. Diane Rittenhouse, has now made available its ACH Data-Sharing Toolkit, available for free download. This toolkit, sponsored by the California Health and Human Services Agency, provides a resource to assist communities in California and beyond in working to share data across sectors for health […]


Exnovation of Chronic Care Management Processes by Physician Organizations: New Publication

A recent CHOIR publication was published in Milbank Quarterly describing exnovation in a longitudinal cohort of physician organizations. Lead author and CHOIR Co-Director Hector Rodriguez highlights: “Empirical research on organizational change in health care primarily focuses on adoption of innovations, but little attention has been devoted to their removal.  Exnovation is the process of removal of […]

Announcing the Center for Lean Engagement and Research

We are pleased to announce the launch of the Center for Lean Engagement and Research (CLEAR) in healthcare. CLEAR is an affiliate center of CHOIR being co-led by Stephen M. Shortell, current CHOIR co-director, and Thomas Rundall, Professor Emeritus of Health Policy and Management in the School of Public Health. CLEAR is supported by Cardinal […]


Fall 2016 Message from the Directors

Over the past six months, CHOIR has made important progress on our two national collaborative research partnerships; one involving the National Centers of Excellence in Healthcare Transformation funded by the Agency for Healthcare Research and Quality (AHRQ) and the other involving evaluation of the State Innovation Model (SIM) awards funded by the Centers for Disease […]


Population Health News: Catching Up With Stephen Shortell

Population Health News conducted an interview with CHOIR Director Stephen Shortell to discuss integrated care delivery systems, care quality and population health management, patient engagement, and organizational partnerships. Read an excerpt from the interview below and download the full interview here.   Population Health News: The industry touts integrated delivery systems, such as accountable care […]

poster – 2016-06-14 – Poon ACTIVATE for AcademyHealth

Presentations from AcademyHealth and the NRSA Research Trainees Conference

  CHOIR graduate students and faculty presented at the recent AcademyHealth Annual Research Meeting and the AHRQ National Research Services Award Research Trainees Conference in Boston. Check out the links below to view PDF versions of their presentations:     “The Role of Accountable Care Organization Affiliation and Ownership in Promoting Physician Practice Participation in […]

CHOIR at the NRSA Research Trainees Conference

CHOIR doctoral students Jessica Bing Ying Poon and Leeann Comfort will be representing CHOIR at the Agency for Healthcare Research and Quality 22nd Annual National Research Services Award Research Trainees Conference in Boston this week, a joint session with the AcademyHealth Annual Research Meeting. Catch their presentations on Saturday June 25th! Podium Presentation: “Are Medical […]


Spring 2016 Message from the Directors

The past six months have been a time of extraordinary growth for CHOIR. We are in the process of developing a national survey of hospitals, health systems and physician organizations as part of our AHRQ-funded National Center of Excellence award with colleagues at The Dartmouth Institute and the 17 health system High Value Healthcare Collaborative. […]


CHOIR at AcademyHealth 2016

CHOIR is looking forward to connecting with colleagues at the 2016 AcademyHealth Annual Research Meeting in Boston on June 26th – 28th. We are pleased to announce the following scheduled presentations by CHOIR team members:   Podium Presentations Sunday, June 26th 11:15am Session: Improving Organizational Performance through High Functioning Teams “Comparing Team Experiences of Engaging […]


How 30 Percent Became the “Tipping Point”

Conventional wisdom among policymakers and health care leaders says that 30 percent is the magic number when we’re talking about a “tipping point” for meaningful change in how health care is paid for and delivered. Where does this 30 percent figure come from, and does it hold true? CHOIR Director Steve Shortell discusses its potential […]

tobacco paper

Free Article Access: A Longitudinal Study of Medical Practices’ Treatment of Patients Who Use Tobacco

For a limited time, the American Journal of Preventive Medicine has provided free access to the recent CHOIR publication, A Longitudinal Study of Medical Practices’ Treatment of Patients Who Use Tobacco. Using data from the National Study of Physician Organizations surveys from 2006-2013, the authors examine the use of tobacco cessation processes in medical practices […]

CHOIR to Lead Natural Experiment Examining the Impact of the CMS SIM Initiative on Diabetes Prevention and Management

To stimulate health system transformation, the Centers for Medicare and Medicaid Services (CMS) launched the State Innovation Model (SIM) Initiative, which since 2013, has invested more than 1 billion dollars in states’ efforts to plan, pilot test, and implement payment and delivery system reforms. The UC Berkeley Center for Healthcare Organizational and Innovation Research (CHOIR) […]

The ‘Next Frontier’ in Health Care: Creating Accountable Communities for Health

CHOIR Director Dr. Stephen Shortell discusses the creation of Accountable Communities for Health in the July issue of the AHA’s Hospitals & Health Networks Magazine. Accountable Communities for Health, formed when cross-sector organizations come together in accepting responsibility for improving and maintaining the health of a community’s population, may help to address challenges that hospitals […]


Congrats, CHOIR Research Interns!

Congratulations to Hien Do, Jose Jimenez, and Valeria Vasquez, CHOIR’s summer undergraduate research scholars! Through eight weeks with UC Berkeley’s Health Career Opportunities Program and the CHOIR team, Hien, Jose, and Valeria learned statistical analysis, research methods, and completed their own projects: Hien Do: The Adoption of Innovative STD Practices in Local Health Jurisdictions Jose Jimenez: Patient Activation and […]

Special Journal Issue on ACOs

The Journal of Health Politics, Policy and Law is releasing a special issue on ACOS, “Assessing Accountable Care Organizations: Cost, Quality, and Market Power.” The issue features several articles by CHOIR and colleagues: Brent D. Fulton, Vishaal Pegany, Beth Keolanui, and Richard M. Scheffler. Growth of Accountable Care Organizations in California: Number, Characteristics, and State […]

California ACOs a Model for the Nation?

California Healthline’s Dan Diamond highlights progress among ACOs emerging in California. Diamond cites Steven Shortell and Richard Sheffler’s recent Health Affairs Blog as well as early findings from Blue Shield and Anthem ACO experiences. Read the full article here.

CHOIR Receives Center of Excellence Award to Accelerate Innovation

CHOIR has received a National Center of Excellence award in collaboration with the Dartmouth Institute for the Clinical and Evaluative Sciences and the High Value Healthcare Collaborative. The award is one of three established by a five-year, $52 million Agency for Healthcare Research and Quality (AHRQ) grant to study high-performing health care systems and their ability to adopt […]

PAE Pub Screenshot

ACO Patient and Family Engagement: An Early Assessment

What are accountable care organizations doing to engage patients and families? Our latest publication provides an early assessment by combining data from a national survey of 101 ACOs, 11 ACO phone interviews and 2 ACO site visits. Abstract Accountable care organizations (ACOs) have incentives to meet quality and cost targets to share in any resulting savings. Achieving […]

AcademyHealth Education Council Congrats

Congratulations, Dr. Hector Rodriguez, for his recent appointment to the AcademyHealth Education Council. As a council member, Dr. Rodriguez will advise the Board and AcademyHealth leadership on priorities and trends in member education needs and in health services research. The appointment is a three-year term. The Education Council was established in 2013 to inform the development of […]

CHOIR at Academy Health 2015

  The Academy Health Annual Research Meeting, is June 14th-16th, 2015. We are pleased to announce the following accepted submissions by CHOIR team members and colleagues:   Panel Presentation MONDAY, JUNE 15, 4:45-6:15pm Two Decades of Physician Organization Research: What Have we Learned? Chaired by Stephen M. Shortell, PhD, MPH, MBA with Panel Member Diane Rittenhouse, MD, MPH […]

IMG_1305 copy

Site Visit Success

  CHOIR team members completed nearly 50 interviews with providers, staff members, and patients during recent site visits to HealthCare Partners in Los Angeles and Advocate Health in Chicago. The site visits took place May 18th-22nd as part of the ACTIVATE (PCORI) project. The project is studying how the two accountable care organizations are activating and engaging patients in their […]


Berkeley Forum Reports on CA Healthcare Expenditure Drivers

California’s state government, employers and families are concerned about the affordability of healthcare in California. On one hand, payment and delivery innovations within the Affordable Care Act and private market have the potential to reduce expenditures (McClellan, 2014), but there is a concern that provider consolidation may lead to higher prices (Health Care Cost Institute, […]


Berkeley Forum Reports on ACOs in California

There is new evidence that California’s accountable care organizations (ACOs) are growing in size and number, serving more patients, and improving the quality of care, according to a new report by the Berkeley Forum.  California has more ACOs (67) than any other state in the country with particularly rapid growth over the past two years. […]

A Taxonomy of Accountable Care Organizations

CHOIR researchers, in collaboration with Dartmouth colleagues, recently published a taxonomy of accountable care organizations. The taxonomy was developed based on the National Survey of Accountable Care Organizations, a survey of 173 accountable care organizations. There are now more than 600 nationwide. The taxonomy identifies three types of accountable care organizations:  larger, integrated delivery systems that […]


The State of Accountable Care Organizations

  What is the state of Accountable Care Organizations (ACOs)? Dr. Shortell answers some ACO basics in this interview with the AHRQ Innovations Exchange Team Introduction: The implementation of accountable care organizations (ACOs), a new payment and delivery model designed to improve health care and lower costs, is proceeding rapidly. More than 500 ACOs are […]

CHQI Fosters Innovation, Reports Healthy Returns

CHQI, the Center for health Quality and Innovation, was established in 2010 to foster innovations that promote quality, access, and value at UC medical center campuses and hospitals. Since established the center has issued 50 grants. A recently released report projects a return on investment of more than 5 to 1, with at least $25 […]

Joint Venture Health’s 1st Anniversary

This month marks Joint Venture Health‘s first anniversary.  Joint Venture Health is a partnership between the UC Berkeley School of Public Health (CHOIR), community health centers, and health systems to transform the delivery of developmental and behavioral health services in primary care to low-income children in the Bay Area and beyond. The year’s accomplishments include launch of […]


NSPO Results Report

On September 10th, the Robert Wood Johnson Foundation (RWJF) published “How Physician Groups Manage Their Patients’ Chronic Illness,” a new report on CHOIR’s  National Surveys of Physician Organizations (NSPO) and survey findings. View the RWJF report site here and the full report PDF here. From 1999 to 2013, NSPO included four survey waves to assess the extent to […]

PCORI Awards CHOIR a Grant to Study ACO Patient Activation & Engagement

The Center for Healthcare Organizational and Innovation Research (CHOIR) at the School of Public Health UC-Berkeley was awarded a three year $2.0 million award from the Patient-Centered Outcomes Research Institute (PCORI) to study the impact of patient activation and engagement (PAE) in two large Accountable Care Organizations – Advocate Health Care in Chicago and HealthCare […]

Six Burning Questions Healthcare Leaders Have About ACOs

In November 2013, the Kaiser Permanente Institute for Health Policy brought together a diverse group of leaders to share their viewpoints on the Accountable Care Orgnization (ACO) movement and to get their feedback on new research by the Dartmouth Institute for Health Care Policy and Clinical Practice and CHOIR at University of California Berkeley School […]

ACO Survey in the News

A recent publication on the first national survey of ACOs generated noteworthy media attention. The original publication, “The First National Survey Of ACOs Finds That Physicians Are Playing Strong Leadership And Ownership Roles” is based on joint work among CHOIR and the Dartmouth Institute and appeared in the June 2014 issue of Health Affairs. Media citations: 3BL Media: Accountable Care Organizations In […]


Publication: Emergence of the Unicorn

We are pleased to present a new publication: Physician Practice Participation in Accountable Care Organizations: The Emergence of the Unicorn (Health Services Research, 2014). The article discusses associations between ACO participation, organizational characteristics, and an index of patient centered medical home processes. It is the first nationally based information on physician practice involvement in ACOs and […]

Paper Wins Prize at 9th International Organizational Behavior in Healthcare Conference

Congratulations, Frances Wu, for presenting a winning paper “The Role of Health Information Technology in Early Accountable Care Organizations in the United States,” at the 9th International Organizational Behavior in Healthcare Conference. The paper won the Emerald Publishing Prize, which is awarded to the best paper submitted by a new researcher or PhD student. It was […]

CHOIR at Academy Health

Join CHOIR at the Academy Health Annual Research Meeting: MONDAY, JUNE 9 9:45 a.m. – 11:15 a.m. Poster Session B: Poster 1: Assessing the Business Case for Accountable Care Organization involvement in Patient Activation and Engagement: Results from a National Survey. Poster by Neil Sehgal and Salma Bibi Poster 2: Have Physician Practices Improved Engagement […]


Meet the CHOIR Team!

  The Center for Healthcare Organizational and Innovation Research is a dynamic team! For a full list of CHOIR faculty, staff, students, and associate members, please see our people page.   Pictured left to right: (back row) Judy Li, Zosha Kandel, Maddy Phipps-Taylor, Stephen Shortell, Hattie Hanley, Hector Rodriguez, Susan Ivey, Neil Sehgal, Thomas Huber, (front […]


VISION Through practice-based research and dissemination of evidence, we aspire to help make the U.S. healthcare system among the most responsive in the world, characterized by high quality, efficient, and patient-centered care. MISSION We conduct studies of the organization and delivery of health services in order to improve the effectiveness of care and, ultimately, accountability […]


CHOIR Website Welcome from the Director, Dr. Shortell

Dear Colleagues and Friends, The Center for Healthcare Organizational and Innovation Research (CHOIR) at the UC Berkeley School of Public Health launched in 2014 with a mission of conducting practice-based research that impacts policy and practice.  We hope our website is a valuable resource for information about people, projects, publications, and presentations at CHOIR. Please check back for regular updates, especially as new […]