In June 2026, Valley Kidney Specialists discovered unauthorized activity on its network. An investigation revealed that an unauthorized third party accessed files containing sensitive patient information. The exposed data includes names, addresses, dates of birth, Social Security numbers, medical insurance information, medical record numbers, diagnoses, and dates of service/treatment. The exact number of affected individuals has not been publicly disclosed. Valley Kidney Specialists notified affected individuals in late July 2026. Additional details about the breach, including the precise number of impacted individuals, may emerge as investigations continue and official notices become widely available.