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  2. Cigna - Wikipedia

    en.wikipedia.org/wiki/Cigna

    The Cigna Group is an American multinational for-profit managed healthcare and insurance company based in Bloomfield, Connecticut. [2] [3] Its insurance subsidiaries are major providers of medical, dental, disability, life and accident insurance and related products and services, the majority of which are offered through employers and other groups (e.g., governmental and non-governmental ...

  3. Medical billing - Wikipedia

    en.wikipedia.org/wiki/Medical_billing

    In order to be clear on the payment of a medical billing claim, the health care provider or medical biller must have complete knowledge of different insurance plans that insurance companies are offering, and the laws and regulations that preside over them. Large insurance companies can have up to 15 different plans contracted with one provider.

  4. Preferred provider organization - Wikipedia

    en.wikipedia.org/wiki/Preferred_provider...

    In 1980, an early PPO was organized in Denver at St. Luke's Medical Center at the suggestion of Samuel Jenkins, [3] an employee of the Segal Group who consulted with hospitals for Taft-Hartley trust funds. [4]: 6 By 1982, 40 plans were counted and by 1983 variations such as the exclusive provider organization had arisen. [3]

  5. From PPO to HMO, what's the difference between the 5 most ...

    www.aol.com/news/ppo-hmo-whats-difference...

    As insurance premiums have surged, families with employer-sponsored health care plans have paid nearly 5% of their total earnings over a 32-year period, according to a 2024 report investigating ...

  6. Managed care - Wikipedia

    en.wikipedia.org/wiki/Managed_care

    As of 2017, the largest commercial plans were Aetna, Anthem, Cigna, Health Care Service Corp, UnitedHealthcare, and Centene Corporation. [27] As of 2017, there were 907 health insurance companies in the United States, [28] although the top 10 account for about 53% of revenue and the top 100 account for 95% of revenue. [29]: 70

  7. Express Scripts - Wikipedia

    en.wikipedia.org/wiki/Express_Scripts

    Express Scripts Holding Company is a pharmacy benefit management (PBM) organization. In 2017 it was the 22nd-largest company in the United States by total revenue as well as the largest pharmacy benefit management (PBM) organization in the United States. [2]

  8. Insurance - Wikipedia

    en.wikipedia.org/wiki/Insurance

    An entity which provides insurance is known as an insurer, insurance company, insurance carrier, or underwriter. A person or entity who buys insurance is known as a policyholder, while a person or entity covered under the policy is called an insured. The insurance transaction involves the policyholder assuming a guaranteed, known, and ...

  9. Health insurance in the United States - Wikipedia

    en.wikipedia.org/wiki/Health_insurance_in_the...

    Public sector employers followed suit in an effort to compete. Between 1940 and 1960, the total number of people enrolled in health insurance plans grew seven-fold, from 20,662,000 to 142,334,000, [36] and by 1958, 75% of Americans had some form of health coverage. [37]