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  2. UnitedHealth Group - Wikipedia

    en.wikipedia.org/wiki/UnitedHealth_Group

    UnitedHealth Group Incorporated is an American multinational health insurance and services company based in Minnetonka, Minnesota.Selling insurance products under UnitedHealthcare, and health care services and care delivery aided by technology and data under Optum, it is the world's eleventh-largest company by revenue and the largest health care company by revenue.

  3. Kaiser vs. Cigna vs. UHC vs. Blue Cross Blue Shield - Healthline

    www.healthline.com/health/consumer-healthcare...

    Kaiser Permanente. Kaiser Permanente is a private, not-for-profit company. They offer a variety of plan types, including HMO, PPO, POS, and Medicare, but focus mainly on their HMO product. They ...

  4. Best Health Insurance Companies

    www.healthline.com/health/best-health-insurance...

    Best customer service: Aetna. Best overall customer satisfaction: Blue Cross Blue Shield. Best for pharmacy programs: Cigna. Best benefits available: United Healthcare. Best for dental benefits ...

  5. What Is the Medicare Phone Number to Call If You Have Questions?

    www.healthline.com/health/medicare/medicare...

    The number to call is 1-800-MEDICARE (1-800-633-4227). The TTY (TeleType) number is 1-877-486-2048. This phone number is meant to be a general resource for questions you have about your Medicare ...

  6. Change Healthcare Cyberattack: What Consumers Should Know - WebMD

    www.webmd.com/health-insurance/news/20240325/...

    Change Healthcare, part of Optum and owned by UnitedHealth Group, processes about half of medical claims in the U.S. for about 900,000 doctors, 118,000 dentists, 33,000 pharmacies, 5,500 hospitals ...

  7. Health Care Service Corporation - Wikipedia

    en.wikipedia.org/wiki/Health_Care_Service...

    Health Care Service Corporation (HCSC) is a member-owned health insurance company in the United States. HCSC was formerly known as Hospital Service Corporation and changed its name to Health Care Service Corporation in 1975. The company was founded in 1936 and is based in Chicago, Illinois with a network of offices in the United States.

  8. PacifiCare Health Systems - Wikipedia

    en.wikipedia.org/wiki/PacifiCare_Health_Systems

    PacifiCare Health Systems, Inc. was a provider of health insurance based in Cypress, California. It was acquired by UnitedHealth Group in December 2005. History. The predecessor of the company was founded in 1978 by Samuel J. Tibbitts as a subsidiary of the Lutheran Hospital Society of Southern California. PacifiCare was incorporated in 1983.

  9. UnitedHealth unit will start processing $14 billion medical ...

    www.aol.com/news/unitedhealths-change-start...

    March 22, 2024 at 6:05 PM. By Leroy Leo. (Reuters) -UnitedHealth Group said on Friday its Change Healthcare unit will start to process the medical claims backlog of more than $14 billion as it ...