Exhibit 99.1 FOR IMMEDIATE RELEASE RadNet Reports Second Quarter Financial Results with Record Quarterly Revenue and Adjusted EBITDA and Revises Upwards 2025 Financial Guidance Ranges LOS ANGELES, California, August 11, 2025 – RadNet, Inc. (NASDAQ: RDNT), a national leader in providing high-quality, cost- effective, fixed-site outpatient diagnostic imaging services through a network of 405 owned and operated outpatient imaging centers, today reported financial results for its second quarter of 2025. Dr. How ...