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10 Biggest Epic EHR Hospital Implementations in United States

As one of the most well-known names in the health IT industry, Wisconsin-based EHR company Epic Systems has been adopted by several of the largest hospital healthcare systems in the nation.

By Sara Heath

- As one of the most well-known names in the health IT industry, Wisconsin-based EHR company Epic Systems has been adopted by several of the largest healthcare systems in the nation. Not only has Epic been recognized with several awards, such as being named the overall Best In KLAS between 2010 and 2014, but many of its customers have also received several accolades including HIMSS Stages 6 and 7, Most Wired Awards, and HIMSS Davies awards.

Largest Epic EHR implementations in the US

Here is a breakdown of the ten largest Epic EHR adoptions by healthcare systems in the United States using data and intelligence from Definitive Healthcare.

Editor’s note: This is the second installment in a multi-part series on health system and hospital EHR implementations in the United States involving industry-leading EHR companies. Read about the biggest Cerner EHR Implementations , Allscripts EHR Implementations , and MEDITECH EHR implementations.

Kaiser Permanente Health Foundation

Kaiser Permanente Epic EHR implementationAlthough Kaiser Permanente’s Epic EHR system started implementation in as early as 2005, it became fully operational in 2010.

READ MORE: Top 10 Ambulatory EHR Vendors by Physician Practice EHR Implementations

READ MORE: US Coast Guard Searching for Commercial EHR to Replace Epic

READ MORE: Epic Trails Cerner, McKesson in Recent EHR Market Share Report

Since then, the Epic system has connected KP’s 38 hospitals, 619 medical offices, 17,791 physicians, 49,778 nurses, and over 177,000 overall employees in both ambulatory and inpatient settings. KP has also received a HIMSS Stage 7 award and the 2011 Davies Enterprise Award for its excellence in health IT.

Providence Health & Services

Providence Health Epic EHR implementationAs the largest healthcare system in Washington state, Providence Health & Services operates nearly 35 hospitals and healthcare facilities with approximately 20,000 employees.

Running on the belief that healthcare is a basic human right, Providence seeks to provide quality care at an affordable price to all of its patients. To help facilitate that goal, the healthcare system implemented Epic EHR in both its inpatient and ambulatory settings, a project that was completed by 2014.

University of Pittsburgh Medical Center

UPMC Epic EHR implementationAs a major non-profit organization in the state of Pennsylvania, UPMC runs nearly 20 academic, community, and specialty hospitals and over 500 doctor’s offices and outpatient facilities. Between 2005 and 2006, UPMC began implementing EHRs in its biggest ambulatory settings, setting a standard for health IT.

Since then, several of UPMC’s hospitals have received HIMSS Stage 6 Awards, and the UPMC Children’s Hospital has received HIMSS Stage 7. Additionally, UPMC has received the American Hospital Association’s (AHA’s) Innovator Award, and was named one of the Most Wired hospitals for 16 years in a row.

Sutter Health

Sutter Health Epic EHR implementationIn 2010, Sutter Health’s inpatient and ambulatory Epic EHR systems were certified, linking the health information across the health system’s network electronically. Since then, Sutter Health has had member hospitals achieve the prestigious HIMSS Stage 7 in both acute and ambulatory clinics.

Working off of a mission to maintain a non-profit model while providing quality care to all of its patients, Sutter Health has 24 member hospitals, including ambulatory surgery centers, cardiac centers, cancer centers, acute rehabilitation centers, behavioral health centers, trauma centers, and neonatal ICUs.

SSM Health

SSM Health Epic EHR implementationSSM Health is a healthcare system founded by the Franciscan Sisters of Mary, and operates on the mission to provide care under the five principles of compassion, respect, excellence, stewardship, and community. With over 11,200 employees and 2,500 physicians, SSM Health serves as one of the largest health systems in the St. Louis, Missouri area.

In order to provide high-quality and well-connected care, SSM Health began implementing Epic EHR systems in both inpatient and ambulatory clinics in 2008 and completed the transition in 2013. Since then, SSM has received HIMSS Stage 7 awards, a Missouri Quality Award for Integrated Health Technologies, and has been named a Most Wired hospital for two years in a row.

Cleveland Clinic Health System

Cleveland Clinic Epic EHR implementationFor over a decade, Cleveland Clinic Health System has been using the Epic EHR system for its inpatient and ambulatory clinics. Winning a HIMSS Stage 7 award for ambulatory centers, Cleveland Clinic Health System sets a high standard for health IT use.

The clinic maintains nearly 5.1 million visits per year, with over 3,000 physicians and scientists working for the health system. Cleveland Clinic Health System operates on the mission to be a “world leader in patient experience, clinical outcomes, education and research.”


Mercy Epic EHR implementationFounded by the Sisters of Mercy, Mercy Health System operates 46 acute care hospitals, and over 700 outpatient practices, all serving children. Their work extends into Arkansas, Kansas, Missouri, Oklahoma, Mississippi, Louisiana, and Texas.

In 2006, Mercy adopted Epic systems into its inpatient and ambulatory clinics, and has built a customized EHR system. Since then, Mercy members have received HIMSS Stage 6 Awards and have attested to Meaningful Use.

Partners HealthCare

Partners HealthCare Epic EHR implementationFounded by Brigham and Women’s Hospital and Massachusetts General Hospital, Partners HealthCare now includes 12 member clinics and 21 affiliated community health centers. In 2012, Partners announced a $1.2 billion deal with Epic EHR systems to modernize the health system’s health IT initiatives in both inpatient and ambulatory settings.

Earlier this year, the modernization initiative was completed, bringing integrated and coordinated care to each of Partners’ member clinics.

Mercy Health

Mercy Health Epic EHR implementationIn 2010, Mercy Health, formerly known as Catholic Health Partners, began its transition over to an Epic EHR system.

Slated for a 2015 completion, Mercy Health managed to implement health IT systems in 24 hospitals across Ohio and neighboring states and over 250 ambulatory sites. Furthermore, Mercy Health has been awarded HIMSS Stage 7 Awards for its EHR implementation. Founded by the Sisters of Mercy, Mercy Health aims to provide compassionate, quality care.

Texas Health Resources

Texas Health Resources Epic EHR implementationTexas Health Resources is the largest faith-based healthcare system in North Texas, serving nearly 6.2 million patients annually. The health system runs nearly 24 acute-care hospitals, employing over 5,500 physicians.

To connect all of those clinics, Texas Health Resources began implementing their Epic EHR in inpatient and ambulatory settings in 2006. Since then, the health system has received HIMSS Stage 7 Awards, attested to Meaningful Use, and has received the 2013 Enterprise HIMSS Davies Award.

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