What is the biggest hospital in the USA. While some healthcare providers manage billing internally, others hire a medical billing company's services. HCA Healthcare, Universal Health Services, Community Health Systems, Ascension Health, and Tenet Healthcare are the top five hospital systems in the country in terms of both revenue and number of hospitals. Furthermore, a knowledge of the biggest and greatest hospital systems is essential considering the significance of healthcare in the country. It is crucial to have a productive system in place to process claims because of the difficulty of medical coding and the pressure insurance companies are under to pay as little as possible.
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