Data Breach Notifications

Entity Information

  • Type of Organization: Healthcare
  • Entity Name: Onsite Mammography
  • Street Address: 815 North Road
  • City: Westfiled
  • State, or Country if outside the US: MA
  • Zip Code: 01085

Submitted By

  • Name: Jason Cherry
  • Title: Partner
  • Firm name (if different than entity): Constangy, Brooks, Smith & Prophete LLP
  • Telephone Number: (207) 745-1397
  • Email Address: jcherry@constangy.com
  • Relationship to entity whose information was compromised: Attorney

Breach Information

  • Total number of persons affected (including residents): 357265
  • Total number of Maine residents affected: 32
  • If the number of Maine residents exceeds 1,000, have the consumer reporting agencies been notified:
  • Date(s) Breach Occured: October 02, 2024
  • Date Breach Discovered: April 15, 2025
  • Description of the Breach:
    • External system breach (hacking)
  • Information Acquired - Name or other personal identifier in combination with:

Notification and Protection Services

  • Type of Notification: Written
  • Date(s) of consumer notification:
  • Copy of notice to affected Maine residents: Onsite_Mammography_CM_Source.pdf
  • Date of any previous (within 12 months) breach notifications:
  • Were identity theft protection services offered: Yes
  • If yes, please provide the duration, the provider of the service and a brief description of the service: Equifax, 12 months, credit monitoring and id protection