Mountain Rheumatology Professional, LLC, a rheumatology practice in Denver, Colorado, reported a hacking incident to federal regulators. The incident was reported to the U.S. Department of Health and Human Services' Office for Civil Rights (HHS OCR) on August 14, 2026.
The breach affected 5,378 patients. The compromised data includes protected health information stored on the practice's network server, though specific data elements have not yet been publicly detailed. Due to the nature of the data, the incident involves medical information.
Additional details about the incident may emerge over time, and direct notifications to affected individuals may follow.