CareSource is a nonprofit managed health care plan headquartered in Dayton, Ohio. It is the largest Medicaid plan in Ohio and one of the largest in the United States. The company is contracted with the Ohio Department of Job and Family Services. CareSource has 900 employees with 800 in Dayton.
CareSource was originally started in Dayton, Ohio in 1985. CareSource was originally called Dayton Area Health Plan or (DAHP) for short. In the year 2000, DAHP consolidated all its health plans under one name – CareSource. In 2004, the organization was ranked sixth-largest Medicaid managed care plan in the United States by Interstudy. In 2009, The CareSource Management Group completed construction of a $55 million corporate headquarters at the corner of Main Street and Monument Avenue in downtown Dayton. The 300,000-square-foot, 9-story building is downtown's first new office tower since before 2000. The building's Architect was BHDP Architecture. In 2010, CareSource announced expansion of its provider network in Southeastern Ohio through a partnership with Quality Care Partners (QCP), a physician-hospital organization (PHO).
 About CareSource
CareSource has numerous awards and recognition. The most notable recognition is that CareSource was named the sixth-largest and second-fastest-growing Medicaid managed care plan in the nation by Interstudy. In 2010, CareSource was named one of Training Magazine’s Top 125 companies. CareSource made number 78 in the rankings.
 Whistleblower case
In 2011 two nurses filed a federal lawsuit against CareScource worth $26 million, thought to be the largest settlement involving an Ohio managed care organization. The federal lawsuit alleged that CareSource defrauded the state of Ohio Medicaid program by failing to conduct health assessments of large numbers of special-needs children between 2001 and 2006. CareSource admitted no wrongdoing in the case and claimed that there were no supporting evidence to back the claims. The two nurses were allegedly told to falsify was being submitted to the Ohio Department of Job and Family Services, which administers the state’s Medicaid program.
While being interviewed, CareSource declined to answer specific questions such as, Whether CareSource executives knew if the two nurses had approached CareSource managers with their concerns; and what evidence CareSource had to show that children deemed to have special health care needs were receiving the assessments paid for by the state Medicaid program. In addition to the settlement, the company must abide by a “corporate integrity agreement” with the U.S. Department of Health and Human Services for five years. The law firms representing the whistleblowers also are still seeking to recoup more than $1.2 million in fees from CareSource in court.
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- "CareSource Whistleblower case". Retrieved 2011-02-06.