Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Illinois Gastroenterology Group

Disclosed Apr 22, 2022228,079 affectedConfirmed

Official notice

Illinois Gastroenterology Group, PLLC, the covered entity (CE), reported that it experienced a ransomware attack that affected the protected health information (PHI) of 227,943 individuals. The PHI involved included names, addresses, dates of birth, social security and drivers’ license numbers, financial information, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the C implemented additional administrative and technical safeguards. OCR provided technical assistance regarding the HIPAA Rules.

What is known

People affected228,079 (as reported by the organization)
DisclosedApr 22, 2022
HappenedOct 20, 2021
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticein.gov
Indiana Attorney General 2022 data breach report: Illinois Gastroenterology Group
Official noticeocrportal.hhs.gov
HHS OCR breach report (archive, resolved): Illinois Gastroenterology Group (Healthcare Provider, IL)

Notices filed

Residents of INApr 22, 2022
Indiana AG11 people
TotalApr 22, 2022
HHS archive227,943 people

Other breaches at Illinois Gastroenterology Group

Hacking breachHacking exposed names and health records. Reported to the HHS archive.1,481 affectedHealthcareUSNov 25, 2019
History of this record
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
summary2026-09-25
empty to Illinois Gastroenterology Group, PLLC, the covered entity (CE), reported that it experienced a ransomware attack that affected the protected health information (PHI) of 227,943 individuals. The PHI involved included names, addresses, dates by backfillSource
Added2026-09-25
First recordedby backfillSource

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

Everything about Illinois Gastroenterology Group