BreachCensus

Heywood Healthcare Inc. including Henry Heywood Memorial Hospital, Athol Memorial Hospital, and Heywood Medical Group, Inc. (“Heywood”)

healthcareHealthcareUnited States of America

Heywood Healthcare Inc. including Henry Heywood Memorial Hospital, Athol Memorial Hospital, and Heywood Medical Group, Inc. (“Heywood”) is a healthcare organisation in Massachusetts. It appears on the HHS OCR breach portal with 1 confirmed incident; the most recent notice was filed on December 12, 2025.

Data as of August 28, 2026.

Sources

Confirmed incident

US-MA — Hacking/IT Incident

Disclosed
December 12, 2025
Records affected
500

Was I affected? →

Timeline

  1. December 12, 2025
    Reported to regulator Regulator

    HHS OCR breach portal listing: Hacking/IT Incident; Network Server

    source
What a Massachusetts notice means

Required under M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗

Related

Same sector and location

Disclosed around the same time