Navigating nephrology medical billing is one of the toughest challenges for kidney care providers. Between complex ICD-10 coding, dialysis billing under ESRD PPS, and constant prior authorizations, even small mistakes can lead to major revenue loss. This 2025 review highlights the 10 best nephrology medical billing companies in the USA, comparing their technology, expertise, and results. From AI-powered solutions like Sirius Solutions Global to established industry leaders, d