Medical billing services in the USA are specialized services that handle the process of submitting and managing healthcare claims to insurance companies on behalf of healthcare providers. These services ensure that medical procedures, consultations, and treatments are accurately coded, documented, and billed according to the complex regulations of insurance providers and government programs such as Medicare and Medicaid. Medical billing companies verify patient information, prepare and submit claims electronically, track payments, manage claim denials, and follow up on outstanding reimbursements.