Who is the number 1 healthcare company in USA

Medical billing is vital for healthcare providers because it is the primary source of revenue and involves collecting payments for services rendered. The key components of the billing process are medical billing and coding, although they demand different attention and technical expertise. By decreasing the time it takes for insurance companies and other payers to pay, medical billing services can assist providers in increasing their cash flow and collections. Medical billing services fill that need. For medical professionals, managing and operating a healthcare practice can be a challenging task. Who is the number 1 healthcare company in USA