NOTICE: If you received a NOTICE OF DATA BREACH letter from Esse Health, contact the Arnold Law Firm at (916) 777-7777 to discuss your legal options, or submit a confidential Case Evaluation form here.
On April 21, 2025, Esse Health, an independent physicians’ group based in St. Louis, Missouri, discovered a significant cybersecurity incident involving unauthorized access to its network systems (the “Data Breach”) . The incident disrupted patient-facing systems—including phone and EMR portal—and prompted an immediate investigation with external cybersecurity experts and law enforcement. By June 20, 2025, Esse Health confirmed that a cybercriminal had viewed and exfiltrated certain files. On June 30, 2025, Esse Health notified the Maine Attorney General’s Office that approximately 263,601 individuals were impacted. Recently, Esse Health begun sending data breach notification letters to affected individuals. These letters include an offer of complimentary credit monitoring and identity protection services through IDX. If you received a data breach notification letter from Esse Health, it indicates that your information was affected by the Data Breach. Headquartered in St. Louis, Missouri, Esse Health is one of the largest independent physician-owned, physician-directed groups in the Midwest, with more than 100 primary care and specialty providers across roughly 45 locations. The organization offers a comprehensive range of services, including primary care, pediatric care, allergy and asthma treatment, and specialty medical services to communities throughout the St. Louis region.WHAT INFORMATION IS INVOLVED IN THE ESSE HEALTH DATA BREACH?
The types of information compromised vary by individual but may include the following:
- Full names
- Addresses
- Dates of birth
- Health insurance information
- Medical record numbers
- Patient account numbers
- Certain health-related information.