Key Takeaways DaVita reported better-than-expected Q4 2025 results with revenue growth and margin expansion.DVA is expanding globally through dialysis center acquisitions and partnerships.DaVita relies heavily on higher-paying commercial insurers for U.S. dialysis profits.DaVita Inc. (DVA) has been gaining from its business model. The optimism, led by a solid fourth-quarter 2025 performance and the overseas growth, is expected to contribute further. However, concerns regarding its dependence on commercial p ...