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Change Healthcare Inc. (known as Emdeon before rebranding in 2015, which followed its acquisition of Change Healthcare) is a provider of revenue and payment cycle management that connects payers, providers, and patients within the U.S. healthcare system. [2]
HealthCare.gov is a health insurance exchange website operated by the United States federal government under the provisions of the Affordable Care Act (ACA), informally referred to as "Obamacare", which currently serves the residents of the U.S. states which have opted not to create their own state exchanges.
As of 2023, PBMs managed pharmacy benefits for 275 million Americans and the three largest PBMs in the US, CVS Caremark, Cigna Express Scripts, and UnitedHealth Group’s Optum Rx, make up about 80% of the market share covering about 270 million people [4] [5] with a market of almost $600 billion in 2024.
Catamaran Corporation (formerly SXC Health Solutions) is the former name of a company that now operates within UnitedHealth Group's OptumRX division (since July 2015). It sells pharmacy benefit management and medical record keeping services to businesses in the United States [3] and to a broad client portfolio, including health plans and employers. [4]
The report, based on Medicare data obtained from the federal government under a research agreement, calculated that diagnoses added by UnitedHealth for diseases patients had never been treated for had yielded $8.7 billion in payments to the company in 2021 – over half of its net income of $17 billion for that year. [140]
The Medicare Shared Savings Program is a three-year program during which ACOs accept responsibility for the overall quality, cost and care of a defined group of Medicare Fee-For-Services (FFS) beneficiaries. Under the program, ACOs are accountable for a minimum of 5,000 beneficiaries. [21]
Feb. 2014: Optum purchases a majority stake in Audax Health Solutions, a patient engagement [clarification needed] company. Audax is later rebranded as Rally Health. April 2015: Optum acquires MedExpress, an urgent care and preventative services company. [9] July 2015: Catamaran, a pharmacy benefit manager, joins OptumRx. [3]
The Centers for Medicare & Medicaid Services (CMS) is a federal agency within the United States Department of Health and Human Services (HHS) that administers the Medicare program and works in partnership with state governments to administer Medicaid, the Children's Health Insurance Program (CHIP), and health insurance portability standards.