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  2. UnitedHealth Group - Wikipedia

    en.wikipedia.org/wiki/UnitedHealth_Group

    Selling insurance products under UnitedHealthcare, and health care services under the Optum brand, it is the world's ninth-largest company by revenue and the largest health care company by revenue. The company is ranked 8th on the 2024 Fortune Global 500. [4] UnitedHealth Group had a market capitalization of $460.3 billion as of December 20, 2024.

  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. National Provider Identifier - Wikipedia

    en.wikipedia.org/wiki/National_Provider_Identifier

    A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). The NPI has replaced the Unique Physician Identification Number (UPIN) as the required identifier for Medicare services, and is used by other payers ...

  5. UnitedHealth cyberattack exposes 190 million in largest US ...

    www.aol.com/news/unitedhealth-cyberattack...

    The number of people affected by a UnitedHealth data breach in February 2024 was actually higher than previously reported and was the largest medical data breach in U.S. history.

  6. Optum - Wikipedia

    en.wikipedia.org/wiki/Optum

    Optum serves employers, government agencies, health plans, life science companies, care providers and individuals and families offering products in data and analytics, pharmacy care services, health care operations and delivery, population health management and advisory services. [7]

  7. Lawsuit claims UnitedHealth AI wrongfully denies elderly ...

    www.aol.com/news/lawsuit-claims-unitedhealth-ai...

    It claims that UnitedHealth relies on nH Predict to evaluate claims for so-called post-acute care, which includes stays in skilled nursing facilities and in-home care.

  8. National Practitioner Data Bank - Wikipedia

    en.wikipedia.org/wiki/National_Practitioner_Data...

    The NPDB was created by Congress with the primary goals of improving health care quality, protecting the public and reducing health care fraud and abuse. The NPDB is managed by the Bureau of Health Workforce of the Health Resources and Services Administration in the U.S. Department of Health and Human Services. Before May 6, 2013, the Data Bank ...

  9. Health Insurance Portability and Accountability Act - Wikipedia

    en.wikipedia.org/wiki/Health_Insurance...

    EDI Health Care Claim Status Notification (277) is a transaction set that can be used by a healthcare payer or authorized agent to notify a provider, recipient or authorized agent regarding the status of a health care claim or encounter, or to request additional information from the provider regarding a health care claim or encounter. This ...