AdventHealth

AdventHealth is a Seventh-day Adventist non-profit health care system headquartered in Altamonte Springs, Florida, that operates facilities in 9 states across the United States. On January 2, 2019, Adventist Health System rebranded to AdventHealth. It is the largest not-for-profit Protestant health care provider in the country. In 2021, it was the second largest hospital network in Florida. On February 28, 2023, it was the fifteenth largest in the country. It operates 52 hospitals in nine states that serve more than 6.7 million patients annually.

History
On February 15, 1973, Southern Adventist Health and Hospital Systems, Inc. was founded at Florida Hospital Orlando. The hospital network, unified nine hospitals across the Southern Union Conference which existed for decades. It later changed its name to Adventist Health System.

Adventist Health System moved into a new five-story office building in Altamonte Springs that opened in 2011, to house their administrative leaders. The corporate headquarters was awarded the Energy and Environmental Design silver certificate from the U.S. Green Building Council. In early April 2012, construction began on a six-story office building and parking garage, next to Adventist Health Systems headquarters. The second office building opened in 2013. In 2016, construction began on a five-story office building and a seven-story parking garage, the third office building opened in 2018. On December 8, 2016, Adventist Health System board of directors chose Terry Shaw as president and CEO. He immediately replaced Don Jernigan who retired, Jernigan had been leader for ten years.

On August 14, 2018, Adventist Health System announced that it would be rebranding its name to AdventHealth. Adventist Health System for two years had been working on rebranding, starting with a committee to study the topic. On January 2, 2019, its subsidiaries Florida Hospital, Gordon Hospital,  Manchester Memorial Hospital, Metroplex Health System, Park Ridge Health  and Shawnee Mission Health  rebranded to AdventHealth, with the exception of its hospitals in Colorado and Illinois.

On August 28, 2019, AdventHealth unveiled its command center which is named Mission Control. The 12,000-square-foot command center was built for $20 million at AdventHealth Orlando's campus. GE Healthcare helped to build Mission Control, which is the largest command center and the second in Florida. Mission Control helps to keep track of the patients at AdventHealth's hospitals in central Florida. It is operated by 50 nurses, EMS, flight dispatchers, transport techs and other specialists. It will reduce a patients time in the ER and in a hospital bed.

From 2020 to early May 2024, AdventHealth in central Florida hired 10,000 nurses to fill a predicted future shortage. It created a Nursing Advisory Panel to get input from nurses, they told the hospital network that they wanted more money and to continue their education. As a result, AdventHealth was investing a total of $140 million to improve the pay and education of its nurses.

On January 6, 2021, AdventHealth announced that Daryl Tol president and CEO of AdventHealth Central Florida Division had resigned. On January 14, it announced that Randy Haffner would be the new president and CEO of its Central Florida Division. He took office on February 1. In early June, AdventHealth chose Neil Finkler to be chief clinical officer for its Central Florida Division, which was one of two new jobs that it created in 2021. On August 19, AdventHealth announced that Mike Schultz president and CEO of AdventHealth West Florida Division would retire at the end of the year and that he would be replaced by David Ottati.

In late July 2023, AdventHealth created an AI Advisory Board which would be meeting every month to incorporate new AI technology into healthcare.

In early March 2024, AdventHealth launched its AirStar 1 helicopter to transport patients faster from its smaller hospitals to larger hospitals. Originally AdventHealth West Florida Division had relied on other companies for transporting patients. AirStar 1 will be based at Lakeland Linder International Airport and it will serve both the West and Central Florida Divisions. In late March, AdventHealth chose Rajan Wadhawan to be chief clinical officer for its West Florida Division. He took office on April 21. In late June, AdventHealth chose Andrew Weinfeld to be chief clinical officer for its East Florida Division. He takes office on July 8.

Founding member
In March 2024, AdventHealth became a founding member of two organizations Trustworthy and Responsible AI Network  and Coalition for Health AI in April.

Hospitals
AdventHealth Orlando is the second largest hospital in Florida and the largest in central Florida with 1,400 beds. AdventHealth Orlando is the 3rd largest hospital in the United States in 2023. The second largest hospital owned by AdventHealth in the state of Florida is AdventHealth Tampa, it is the 5th largest hospital in the Tampa Bay area with 626 beds. AdventHealth Porter is the largest hospital owned by AdventHealth in central Colorado with 368 beds and the 9th largest hospital in the state. AdventHealth Shawnee Mission is the largest hospital owned by AdventHealth in Kansas with 504 beds.

Former properties
In 1994, Adventist Health System sold Medical Center Hospital in Punta Gorda, Florida to Health Management Associates. It had been purchased by the Seventh-day Adventist Church in 1969.

On December 20, 2005, HCA Healthcare agreed to purchase from Adventist Health System Tennessee Christian Medical Center, an office building and a therapy center in Madison, Tennessee. The hospital had joined the hospital network in 1976. As well as Tennessee Christian Medical Center Portland in Portland, Tennessee. On March 31, 2006, HCA Healthcare officially acquired the properties for $19.7 million.

On October 31, 2014, Emory-Adventist Hospital in Smyrna, Georgia closed. In 1976, Adventist Health System had purchased Smyrna Hospital. In 1995, Adventist Health System created a joint venture with Emory Healthcare to operate the hospital. On December 29, 2016, Adventist Health System sold its remaining interest of Greeneville Takoma Regional Hospital in Greeneville, Tennessee to Wellmont Health System for $13.5 million. The hospital had joined the hospital network in 1974.

On February 3, 2020, it was announced that AdventHealth would sell Central Texas Medical Center to Christus Health. Central Texas Medical Center officially joined Christus Health on April 1, and was rebranded as Christus Santa Rosa Hospital-San Marcos.

In May 2022, Ormond Holdings LLC/Blackstream Development LLC purchased the vacant lot where Florida Hospital Oceanside stood for $2.05 million. Ormond Holdings LLC/Blackstream Development LLC wants to build 15 single-family homes on the former Florida Hospital Oceanside lot and also a parking lot for a Residence Inn by Marriott across the street.

On June 12, 2023, AdventHealth officially left the nursing home market. In early April, it had sold one nursing home in Burleson, Texas and a second nursing home in Overland Park, Kansas to CareTrust REIT for $17.2 million. In early June, it had sold eight nursing homes in Florida to Imperial Healthcare Group. Six of the nursing homes sold for a grand total of $103.2 million and the purchasing price for the other two were not made public.

Awards and recognitions

 * Gallup Great Workplace Award - Adventist Health System received from Gallup the Gallup Great Workplace Award for seven consecutive years (2011–2017) for creating an engaged workplace culture that drives business outcomes.
 * Chime Digital Health Most Wired Award - Adventist Health System received from College of Healthcare Information Management Executives the CHIME Digital Health Most Wired Award nine years in a row (2013–2021) for meeting specific IT requirements in four focus areas: infrastructure, business and administrative management, clinical quality and safety, and clinical integration.
 * Coolest Office Spaces honoree - Adventist Health System's corporate campus, The Mardian J. Blair Administrative Center was named the 2018 Coolest Office Spaces honoree by Orlando Business Journal.
 * Emerald Award - AdventHealh received Leapfrog Group's Emerald Award for the first time in 2022 for outstanding achievement by a healthcare system.
 * America's Best Employers By State - AdventHealth was listed by Forbes in its 2022 list in 68th place.
 * America's Best Employers For New Grads - AdventHealth was listed by Forbes in its 2022 list in 165th place.
 * Best Places to Work in IT 2023 - AdventHealth was listed by Computerworld in 54th place among large organizations.
 * Most Trustworthy Companies in America 2023 - AdventHealth was listed by Newsweek in 20th place among health care & life sciences companies.

Charity giving
In December 2022, AdventHealth awarded over $1.2 million to eight central Florida charitable organizations.

Electronic health record
In October 2002, Adventist Health System signed a six-year contract with Cerner. In early February 2020, AdventHealth announced that it was leaving Cerner and that it would implement Epic Systems electronic health record system for 37 of its hospitals. AdventHealth began changing over to Epic Systems in March, the new system will be powered with the cloud after partnering with Virtustream. On February 3, 2024, the last AdventHealth hospital switched over to Epic Systems. All total the hospital network spent $660 million.

Renewable energy
In early February 2024, AdventHealth signed a Virtual Power Purchase Agreement with Scout Clean Energy for 90-megawatts of electricity from their wind farm in Texas. The farm will provide the hospital network with 380,000 megawatt-hours, this would supply about 40% of the electricity that they need. AdventHealth plans to achieve 100% renewable energy by 2026.

Testifying to government
On September 20, 2021, the chief clinical officer of AdventHealth told the House Health & Human Services Committee that there was a shortage of nurses before the COVID-19 pandemic. That many have left the profession all together, or have become traveling nurses in COVID-19 hot spots around the United States. To alleviate the problem, AdventHealth is requiring nurses to take on additional patients.

On August 3, 2022, an executive director of the AdventHealth Transplant Institute testified before the United States Senate Committee on Finance and said the organ transplant system had failed many patients.

COVID-19
On May 16, 2020, AdventHealth Central Florida Division terminated its partership with COVID-19 testing lab MicroGen DX, after it failed to deliver on time and for giving unreliable results by leaving COVID-19 tests at room temperature for days, affecting over 60,000 tests by May 21. This caused MicroGen DX to be investigated by the Food and Drug Administration. On December 15, AdventHealth in Greater Orlando received the Pfizer vaccine. The following day it administered it to frontline workers in Orlando, Florida and Celebration, Florida.

On January 4, 2021, AdventHealth Central Florida Division moved to "yellow status" and two days later it moved to "red status". On July 22, AdventHealth Central Florida Division moved to "yellow status". Elective surgeries were deferred, visitors were limited and everyone was required to wear a mask. On July 26, AdventHealth Central Florida Division moved to "red status". It began rescheduling non-emergency elective surgeries to increase capacity. On July 30, AdventHealth Central Florida Division willingly moved to "black status" and stopped doing elective surgeries.

On August 26, 2021, it was announced that the morgues at AdventHealth Central Florida Division were at capacity. To solve this problem 10 of its hospitals were using rented coolers. AdventHealth blamed funeral homes for the backlog. For a better fix to the problem the hospital network ordered 14 portable morgues which would hold 168 cadavers. On August 31, AdventHealth Central Florida Division announced that it would return to "red status" on September 1, which will allow outpatient surgeries to resume.

On September 9, 2021, AdventHealth Central Florida Division moved to "yellow status" and resumed 85 percent to 90 percent of its operations. This will allow it to schedule new surgeries to maximize its capacity. On September 15, AdventHealth Central Florida Division announced it would move to move to "green status" on September 16 and patients will no longer have their surgeries deferred or rescheduled.

In early October 2021, researchers from Adventhealth Research Institute, Oak Ridge National Laboratory and the University of Tennessee discovered that Ondansetron lowered the mortality rate among COVID-19 patients on ventilators. On December 2, AdventHealth stopped requiring its employees from being vaccinated against COVID-19. The hospital network did this after a federal judges in Missouri and Louisiana blocked the Centers for Medicare & Medicaid Services, which had required healthcare workers to be vaccinated. Later in early January 2022, the United States Supreme Court upheld the vaccine mandate.

On January 17, 2022, AdventHealth began restricting patients to one visitor a day at six hospitals in the Tampa Bay area.

AdventHealth Orchestra
In July 2020, the AdventHealth Orchestra was founded at AdventHealth Orlando by Richard Hickam. It is made up of sixty employees who play percussion instruments, string instruments and wind instruments. The orchestra had its first concert in November 2021, at the Dr. Phillips Center for the Performing Arts it was in honor of those who died of COVID-19. The AdventHealth Orchestra also had Christmas concerts at Disney Springs and Orlando Union Rescue Mission.

Brain-eating amoebas
On September 1, 2022, it was announced that physicians at AdventHealth Central Florida Division developed a new five hour test for brain-eating amoebas. The test detects the three most common amoebas contracted from sources of freshwater. Before the new test the laboratory specimens from hospitals were preserved and transported to the Centers for Disease Control and Prevention in Atlanta. The Smelski family who lost their son from a brain-eating amoeba worked with AdventHealth to develop the test.

Seminole County Sheriff's Office
On October 24, 2019, AdventHealth and the Seminole County Sheriff's Office announced a partnership to fight the opioid crises in Seminole County. On March 8, 2021, the AdventHealth Hope & Healing Center opened close to Florida State Road 436 across from the Seminole County Jail in Sanford, Florida. and a second treatment center will open in Altamonte Springs, Florida.

Walt Disney World
On May 6, 2021, AdventHealth was chosen by Walt Disney World to be its official health care provider and also its official virtual health care provider. Before that Cigna, Florida Hospital, and Orlando Health offered Walt Disney World health insurance. On the same day it was announced that AdventHealth was teaming up with Walt Disney World to offer an emergency room and primary care facility on its campus. It will be 200,000-square foot and will be at the Western Gateway entrance at Flamingo Crossings.

On January 13, 2022, Walt Disney World filed a permit for AdventHealth ER at Flamingo Crossings Town Center. On March 8, AdventHealth broke ground for AdventHealth ER at Flamingo Crossings Town Center to provide emergency care for guests and workers at Walt Disney World. To celebrate the groundbreaking of AdventHealth ER at Flamingo Crossings Town Center was Mickey Mouse. There will be a time capsule telling the history of the partnership between AdventHealth and Walt Disney World. On May 17, 2023, AdventHealth had a ribbon cutting ceremony for AdventHealth ER at Flamingo Crossings Town Center in Horizon West. To celebrate the grand opening of AdventHealth ER at Flamingo Crossings Town Center was Mickey Mouse and Minnie Mouse.

Orlando Magic
In 1989, Florida Hospital became the official health care partner of the Orlando Magic.

On May 13, 2021, the Orlando Magic and AdventHealth teamed up to vaccinate fans at Amway Center, with the Moderna vaccine. On June 16, the Orlando Magic made design and construction contracts with 33 local companies for $17 million to build AdventHealth Training Center. These companies are part of Minority and Women-Owned Business Enterprises.

On August 31, 2022, AdventHealth and the Orlando Magic opened the AdventHealth Training Center, which cost $70 million to build. The 130,000-square-foot building is located one block from Amway Center AdventHealth's 33,300-square-foot medical hub treats athletes of all ages. Services offered to patients are orthopedics, primary care, sports medicine, imaging, rehabilitation and sports performance. Patients are able to see AdventHealth's gastroenterologists, cardiologists, sleep, psychology and nutrition experts.

Magic Gaming
On May 18, 2021, it was announced that AdventHealth would be the official health care provider and jersey sponsor of Magic Gaming.

Tampa Bay Lightning
In 2011, it was announced that Florida Hospital would the sponsor and official health and wellness partner of the Tampa Bay Lightning. Since 2017, Florida Hospital (later AdventHealth) and the Tampa Bay Lightning have been giving away teddy bears to fans at Amalie Arena. While another teddy bear is given to sick children with a note from a Tampa Bay Lightning fan.

Tampa Bay Buccaneers
In 2012, it was announced that Florida Hospital would be the exclusive hospital of the Tampa Bay Buccaneers under a sponsorship agreement. On August 27, 2018, Florida Hospital signed a naming rights deal with the Tampa Bay Buccaneers. For ten years the training facility of the Tampa Bay Buccaneers will be known as the AdventHealth Training Center.

NASCAR
On October 30, 2014, it was announced that Florida Hospital had signed a 12-year partnership and would become the official healthcare partner of Daytona International Speedway, replacing Halifax Health which the racetrack had not renewed its contract with.

On January 1, 2015, Florida Hospital officially became the sponsor of Daytona International Speedway. At Daytona International Speedway, AdventHealth treats over 1,000 patients every year, at its two care centers and nine first aid stations.

From 2016-2020, Florida Hospital (later AdventHealth) sponsored Chip Ganassi Racing. In October 2018, Adventist Health System bought one of the tracks injector entrances and rebranded and redesigned it for $1 million to $2 million   In early October 2018, Florida Hospital became the sponsor of Speedweeks. In 2019 and 2021, AdventHealth sponsored Jamie McMurray who, came out of retirement to race at the Daytona 500. At the 2021 Daytona 500 the Grand Marshal SUV, was signed by 3,000 AdventHealth workers.

In February 2022, AdventHealth became a sponsor of Kansas Speedway. They sponsor the May Cup Series race titled the AdventHealth 400. The tracks first aid stations and care center will have the colors of AdventHealth In January 2022, AdventHealth signed a multiyear sponsorship with Trackhouse Racing.

On March 18, 2023, AdventHealth partnered with Hailie Deegan to celebrate Women in NASCAR at Atlanta Motor Speedway. Instead of the AdventHealth logo her truck had on it Women in NASCAR. On the decklid of her truck it had the names of women in NASCAR and Sara Christian the first woman in NASCAR had her name on the passenger side door. On December 5, it was announced that AdventHealth would be sponsoring Legacy Motor Club during the 2024 NASCAR Cup Series season. It severed its sponsorship with Trackhouse Racing after they signed with Busch Beer, which crowded out AdventHealth who only wanted to be only a part-time sponsor.

On February 13, 2024, AdventHealth extended its sponsorship of Speedweeks to 2028. And it received the naming rights to lactation rooms at the racetrack. On February 15, AdventHealth partnered with Erik Jones and his foundation to donate a "Bookworm" vending machine to Blue Lake Elementary in DeLand, Florida. Also AdventHealth announced that it would donate $5,000 every year to keep it full of books.

Orlando Guardians
In March 2023, it was announced that AdventHealth would be the official health care partner of the Orlando Guardians.

Daytona Tortuga
On January 12, 2024, it was announced that AdventHealth would be the exclusive health care provider of the Daytona Tortugas.

Health
In 1996, the joint venture Centura Health was founded by Adventist Health System and Catholic Health Initiatives. On February 14, 2023, Centura Health announced that it would split up. On August 1, 2023, Centura Health officially split up with hospitals owned by AdventHealth rebranding and those owned by CommonSpirit Health will rebrand at a later date.

In February 2007, Adventist Health System and University Community Health formed a joint venture to build Wesley Chapel Medical Center.

In 2012, Adventist Health System and Texas Health Resources created a joint venture company to own and operate Hugeley Memorial Medical Center.

In February 2015, the joint venture AMITA Health was founded by Adventist Midwest Health part of Adventist Health System, and Alexian Health System and Presence Health both part of Ascension. On October 21, 2021, AMITA Health announced that it would split up. On April 1, 2022, AMITA Health officially split up with hospitals owned by AdventHealth rebranding and those owned by Ascension rebranding.

On January 12, 2017, it was announced that Florida Hospital would manage 15 walk-in clinics inside Walgreens in the Tampa Bay area. They would officially be known as Florida Hospital Express Care at Walgreens. After company wide rebranding they were renamed AdventHealth Express Care at Walgreens Locations. Currently they go by the name AdventHealth Primary Care + at Walgreens.

On January 5, 2018, Adventist Health System purchased 6.39 acres in Apopka, Florida for $450,000 and three days later they purchased 53 acres for $2.35 million in Apopka. On March 29, 2021, AdventHealth announced that it was having a 300,000-square-foot distribution center constructed in Apopka to supply its facilities in Florida. The AdventHealth Consolidated Service Center will be constructed in more than one phase, it will employ both AdventHealth and Medline Industries employees once completed. On February 28, 2024, AdventHealth and Medline Industries announced the opening of the 375,000-square-foot warehouse.

In early April 2019, AdventHealth and Orlando Hand Surgery Associates signed a joint venture to create The Hand to Shoulder Center which will be on the campus of AdventHealth Orlando. On June 17, AdventHealth and Health First signed a partnership that will allow the hospital networks to share resources. In the deal AdventHealth would buy a minority interest in Health First. In 2023, it had purchased $350 million interest in Health First. On October 17, Enterprise Ireland signed a partnership agreement with AdventHealth at the Enterprise Ireland Med in Ireland 2019 Medical Technologies Conference. This will allow companies in Ireland access to markets in the United States. This will allow AdventHealth to do business with companies for medical devices, diagnostics, healthcare services, software and information technology. It is looking for companies to improve outcomes, lower costs and improve quality care. AdventHealth will help Enterprise Ireland and its clients design and advertise new medical technology, make joint ventures and to supply platforms for healthcare companies in the United States

In September 2020, AdventHealth announced a partnership with Rothman Orthopaedics from Philadelphia to improve its orthopedic services in Florida. In February 2021, construction began on a new 12-story tall 300,000 square foot $100 million headquarters for Rothman Orthopaedics across from AdventHealth Orlando. In last February 2022, AdventHealth announced a partnership with Orlando Neurosurgery, to improve brain and spine services. In August 2022, AdventHealth Innovation Tower opened, other spaces will open for Orlando Neurosurgery; AdventHealth Neuroscience Institute; and the Center for Brain Health.

On November 23, 2020, AdventHealth announced that it was partnering with Berg Health to create a patient registration biobank using patient electronic medical records. Data scientists will be using AI to treat AdventHealth patients with COVID-19 and reduce their mortality rate. It was already using technology from Berg Health to treat patients with nonalcoholic fatty liver disease and sarcopenia.

In May 2021, DispatchHealth announced a partnership with AdventHealth, to offer patients comfortable care in their own homes. This partnership would allow AdventHealth, to offer in-home care to patients in Daytona Beach, Ocala, Orlando and the Kansas City metro area. AdventHealth has been working with DispatchHealth for a few years in Tampa. Patients can receive care via phone, the DispatchHealth mobile app or website and AdventHealth's website and mobile app. They can be treated for viral infections, COPD, heart failure and more.

In August 2022, AdventHealth announced a partnership with SpotRx Pharmacy to install two pharmacy kiosks in Florida. The first was installed at AdventHealth Care Pavilion Westchase in Hillsborough County and at a second location at AdventHealth Care Pavilion Heathbrook in Marion County. The kiosks will shorten wait times for prescription drugs and increase their availability to patients. The kiosks also dispense over-the-counter drugs, and test strips.

On September 13, the UChicago Medicine announced that it planned to purchase a controlling interest in the AdventHealth hospitals in Illinois. The joint venture became official on January 1, 2023.

School
In early June 2018, Volusia County Schools approved a $2 million, five-year partnership with Florida Hospital by a vote of 4-0. This made Florida Hospital the Official Healthcare Champion of Volusia County Schools. It will involve the renaming of fifteen health services academies and programs at the school districts middle schools and high schools. The students are being taught biomedical sciences, sport science and Emergency medical technician/paramedic classes for future jobs in the medical field. As of a result of the partnership a meeting was held at Deltona High School, it was made up of mostly Halifax Health employees who were worried that their behavior therapy and mental health services would be restricted.

On April 22, 2019, AdventHealth started donating tablet computers and printer to schools in Volusia County School District with the highest level of students being absent. The tablet computers have the hospital networks eCare app, which will allow sick students and their parents to video chat with a physician or a nurse. The first to receive a tablet computer was an elementary school in Daytona Beach, Florida. It is part of a first phase that will donate thirty-six printers and tablet computers to the school district.

In late July 2021, AdventHealth and Flagler County Schools signed a 5-year partnership worth $750,000 making AdventHealth the Official Healthcare Champion of Flagler County Schools. AdventHealth will treat students mental health and it will also provide athletic trainers for Flagler Palm Coast High School and Matanzas High School. The school district will pay AdventHealth $150,000 over five years for the cost of their athletic trainers and in return the hospital network will pay the school district $10,000 for five consecutive years.

In the fall of 2022, Seminole State and AdventHealth created a program that allows eight seniors to work 12-hour shifts once a week with a nurse for eight weeks at AdventHealth Winter Park.

Lawsuits
In December 2012, three whistleblowers at Park Ridge Health sued Adventist Health System for fraud. Later in 2013, a fourth whistleblower who was a former senior health-care executive at Adventist Health System sued. The hospital network was being accused of violating the Stark Law and the False Claims Act. When the lawsuits were filed the United States Department of Justice, Government of North Carolina, Government of Florida, Government of Tennessee and Government of Texas intervened. Adventist Health System agreed to settle the lawsuits for a total of $118.7 million on September 21, 2015. $115 million went to the United States government, $3.48 million went to Florida, $198,453 to North Carolina, $66,897 to Tennessee and $4,711 to Texas. This was the largest settlement that a hospital network has ever paid.

On August 30, 2019, AdventHealth was sued by Oviedo Medical Center for trademark infringement, unfair competition and cybersquatting. Ovideo Medical Center believed that the name for AdventHealth's new ER would confuse the public, attorneys for AdventHealth disagree. The judge that heard the case dismissed it on technical grounds and Oviedo Medical Center was given the chance to refile by November 12. They did so before the deadline. On December 20, 2020, the lawsuit was settled with AdventHealth and its ER was renamed AdventHealth ER.

On May 28, 2020, AdventHealth sued California attorney Michael Weiss and his law firm, it also sued Tomax Capital Management Inc. and its CEO Yehoram Efrati. They failed to deliver 10 million N95 masks to AdventHealth valued at $57.5 million. AdventHealth asked Michael Weiss to return the money, he returned only $55.5 million and told AdventHealth that Tomax Capital Management Inc. had the remaining $2 million. In their lawsuit AdventHealth claims that the defendants knew that the masks were not available and conspired to keep the money. On August 3, AdventHealth told a Florida federal judge that the four defendants agreed to commit fraud and that it caused injury to AdventHealth in Florida giving the court authority over them. Michael Weis and his law firm asked the Florida federal judge to dismiss the claims that it is responsible for the $2 million. On July 22, Michael Weiss and Tomax Capital Management Inc. CEO Yehoram Efrati told the Florida federal judge that they can not be sued, since they personally had no connection to the deal. On October 13, Tomax Capital Management Inc. asked the Florida federal judge to dismiss the majority of the lawsuit, blaming Michael Weiss and his law firm. On February 23, 2021, U.S. District Judge Paul Bryan denied the requests by the defendants to dismiss the lawsuit against them. On March 2, a Florida federal judge dismissed the lawsuits against Michael Weiss and his law firm, one day after they agreed to resolve the claims with AdventHealth. On March 8, U.S. District Judge Paul Byron agreed to stay the case until October 12, when Tomax Capital Management Inc. and its CEO Yehoram Efrati would have to make final payments to AdventHealth under an agreement that was signed on March 3. On April 16, AdventHealth asked a Florida federal judge to award it $1.5 million, plus $10,573 in interest and attorney fees after Tomax Capital Management Inc. defaulted on its first payment to AdventHealth. On May 12, 2021, U.S. District Judge Paul Byron ruled in favor of AdventHealth after Tomax Capital Management Inc. and its CEO Yehoram Efrati failed to make its first payment of $300,000, to AdventHealth on April 12.

Mergers and acquisitions
On May 3, 1997, Hinsdale Health System in Hinsdale, Illinois merged with Adventist Health System.

In late May 2000, Memorial Health Systems chose to merge with Adventist Health System. On October 1, Florida Hospital officially took over its hospitals in Flagler County and Volusia County.

On November 1, 2002, Shawnee Mission Medical Center in Merriam, Kansas split from Saint Luke's Health System and joined Adventist Health System.

In March 2010, Adventist Health System and University Community Health signed a non-binding letter to explore a merger. On the last day in August 2010, University Community Health merged with Adventist Health System after its president/CEO Norm Stein retired. University Community Health owned hospitals in the counties of Hillsborough and Pasco. Adventist Health System will make $125 million in capital improvements, donating $10 million to the UCH Foundation and will assume University Community Health's liabilities. The merger combined 43 hospitals, 37 from Adventist Health System and five from University Community Health.

On December 5, 2017, Adventist Health System bought Bayfront Health Dade City in Dade City, Florida from Community Health Systems. On April 1, 2018, Florida Hospital began to operate the hospital and it was renamed to Florida Hospital Dade City.

On April 18, 2018, Community Health Systems sold its forty year lease of Munroe Regional Medical Center in Ocala, Florida to Adventist Health Systems after leasing it for only four years. On August 1, Adventist Health System acquired Munroe Regional Medical Center and its TimberRidge ER. Florida Hospital began to operate the hospital and renamed it to Florida Hospital Ocala.

On May 22, 2019, AdventHealth bought Heart of Florida Regional Medical Center in Davenport, Florida and Lake Wales Medical Center in Lake Wales, Florida from Community Health Systems for $100 million. On September 1, AdventHealth officially took over the management of the hospitals and they were renamed AdventHealth Heart of Florida and AdventHealth Lake Wales. On August 6, AdventHealth announced that it would acquire two family medicine clinics in Copperas Cove, Texas and Lampasas, Texas. On September 1, the two clinics officially became part of AdventHealth.

On October 2, 2020, AdventHealth acquired twelve Exodus Women's Center medical offices in Hillsborough County and Polk County. As well as its administrative office in Tampa. On December 15, AdventHealth bought AdventHealth Murray in Chatsworth, Georgia from the Murray County Hospital Authority Board.

On May 13, 2021, AdventHealth signed an agreement to buy Redmond Regional Medical Center and its businesses, physician clinic operations, outpatient services and equity interests in Rome, Georgia from HCA Healthcare for $635 million. It was the last hospital in northwest Georgia sold by HCA Healthcare. On September 30, Redmond Regional Medical Center joined AdventHealth. In January 2022, it was renamed AdventHealth Redmond. On August 2, 2021, AdventHealth purchased the 15-acre Holy Land Experience from Trinity Broadcasting Network for $32 million.