About Us At Complete Medical Billing, we streamline your revenue cycle to boost cash flow and keep patients happy. Boost Cashflow Partner with us to streamline billing and see your revenue grow steadily. Start Feedback Complete Medical Billing transformed our cash flow with precise billing and friendly support—our practice runs smoother than ever. Our Services Streamline patient scheduling and verify eligibility quickly and accurately. Handle prior authorizations efficiently to keep your cash flow steady. Handle prior authorizations efficiently to keep your cash flow steady.