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  2. Medical billing - Wikipedia

    en.wikipedia.org/wiki/Medical_billing

    Before the spread of health insurance, doctors charged patients according to what they thought each patient could afford. This practice was known as sliding fees and became a legal rule in the 20th century in the U.S. [ 7 ] [ 10 ] Eventually, changing economic conditions and the introduction of health insurance in the mid-20th century ushered ...

  3. Health Care Service Corporation - Wikipedia

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

    Health Care Service Corporation is the licensee of the Blue Cross and Blue Shield Association for five states. It concentrates its operations in Illinois, Montana, New Mexico, Oklahoma, and Texas. HCSC is the fifth-largest health insurer in the US overall and employs more than 23,000 people.

  4. Medial geniculate nucleus - Wikipedia

    en.wikipedia.org/wiki/Medial_geniculate_nucleus

    The medial geniculate nucleus (MGN) or medial geniculate body (MGB) is part of the auditory thalamus and represents the thalamic relay between the inferior colliculus (IC) and the auditory cortex (AC). [1] It is made up of a number of sub-nuclei that are distinguished by their neuronal morphology and density, by their afferent and efferent ...

  5. Health care finance in the United States - Wikipedia

    en.wikipedia.org/wiki/Health_care_finance_in_the...

    The first HMOs in the U.S., such as Kaiser Permanente in Oakland, California, and the Health Insurance Plan (HIP) in New York, were "staff-model" HMOs, which owned their own health care facilities and employed the doctors and other health care professionals who staffed them. The name health maintenance organization stems from the idea that the ...

  6. Blue Cross Blue Shield Association - Wikipedia

    en.wikipedia.org/wiki/Blue_Cross_Blue_Shield...

    Blue Cross and Blue Shield insurance companies are licensees, independent of the association and traditionally of each other, [16] offering insurance plans within defined regions under one or both of the association's brands. Blue Cross Blue Shield insurers offer some form of health insurance coverage in every U.S. state.

  7. Brainstem - Wikipedia

    en.wikipedia.org/wiki/Brainstem

    The brainstem (or brain stem) is the posterior stalk-like part of the brain that connects the cerebrum with the spinal cord. [1] In the human brain the brainstem is composed of the midbrain, the pons, and the medulla oblongata. [1] The midbrain is continuous with the thalamus of the diencephalon through the tentorial notch, and sometimes the ...

  8. Balance billing - Wikipedia

    en.wikipedia.org/wiki/Balance_billing

    Health plans know that emergency medical care must be provided for their enrollees no matter how poorly the plans pay for these services. The lack of a system to ensure fair benefit payments has allowed payers to underpay the fair value of emergency services, creating an imperative to preserve balance billing.

  9. Oscar Health - Wikipedia

    en.wikipedia.org/wiki/Oscar_Health

    Oscar Health, Inc. is an American health insurance company, founded in 2012 by Joshua Kushner, Kevin Nazemi and Mario Schlosser, and is headquartered in New York City. [2] [3] The company focuses on the health insurance industry through telemedicine, healthcare focused technological interfaces, and transparent claims pricing systems which would make it easier for patients to navigate.