A medical billing company in the USA is a specialized service provider that helps healthcare practices manage their revenue cycle by handling tasks such as coding, submitting insurance claims, following up on denials, and ensuring timely reimbursements. These companies play a vital role in reducing administrative burdens on doctors and clinics, allowing them to focus more on patient care while maintaining financial stability. By staying updated with U.S. healthcare regulations and payer requirements, they streamline the billing process and improve accuracy in claim submissions.