Mount Desert Island Hospital Data Breach Investigation

Turke & Strauss LLP, a leading data breach law firm, is investigating Mount Desert Island Hospital, Inc. regarding its recent data breach. The Mount Desert Island Hospital data breach involved sensitive personal identifiable information and protected health information belonging to over 24,100 individuals.


Mount Desert Island Hospital is a health care facility serving individuals living on or off the coast of Maine. Headquartered in Bar Harbor, Maine, Mount Desert Island Hospital provides care to patients living on the Mount Desert Island, the islands of Swans, and other surrounding islands off the coast of Maine. Mount Desert Island Hospital offers primary care, women’s health, orthopedics, and emergency care. Serving the community since 1897, Mount Desert Island Hospital has a 25-bed main facility in Bar Harbor and employs over 500 individuals across 6 area health care centers.


On May 4, 2022, Mount Desert Island Hospital discovered that it had experienced a data breach in which the sensitive personal identifiable information and protected health information in its systems may have been accessed. Through its investigation, Mount Desert Island Hospital determined that an unauthorized actor may have accessed this sensitive information between April 28 and May 7, 2023. On June 30, 2023, Mount Desert Island Hospital began contacting individuals whose information may have been impacted. The type of information exposed includes:

  • Name
  • Social Security number
  • Address
  • Date of birth
  • Driver’s license number
  • Financial account information
  • Medical record number
  • Health insurance information
  • Medical treatment information

If you received a breach notification letter from Mount Desert Island Hospital, Inc.:

We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at (608) 237-1775 or

If you were impacted by the Mount Desert Island Hospital data breach, you may consider taking the following steps to protect your personal information.

  1. Carefully review any breach notice and retain a copy;
  2. Enroll in any free credit monitoring services provided by Mount Desert Island Hospital, Inc.;
  3. Change passwords and security questions for online accounts;
  4. Regularly review account statements for signs of fraud or unauthorized activity;
  5. Monitor credit reports for signs of identity theft; and
  6. Contact a credit bureau(s) to request a temporary fraud alert.

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