Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Lifespan Physician Group of Massachusetts

Disclosed Jul 16, 2026311,760 affectedConfirmed

Official notice

What is known

People affected311,760 (as reported to HHS)
DisclosedJul 16, 2026
HappenedDec 15, 2025
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeocrportal.hhs.gov
HHS OCR breach report: Lifespan Physician Group of Massachusetts (Healthcare Provider, MA)
Official noticein.gov
Indiana Attorney General 2026 data breach report: Lifespan Physician Group of Massachusetts

Notices filed

TotalJul 16
HHS OCR311,760 people
Residents of INJul 16
Indiana AG1 person
History of this record
occurred2026-10-07
empty to 2025-12-15by weeklySource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS OCR), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

Everything about Lifespan Physician Group of Massachusetts