Allergy Partners
Disclosed Apr 23, 20215 years ago74,083 affectedConfirmed
The covered entity (CE), Allergy Partners, PLLC, reported that it was the victim of a ransomware attack that compromised the protected health information (PHI) of 74,083 individuals. The PHI involved included names, addresses, dates of birth, health insurance information, patient account numbers, Social Security numbers, drivers’ license numbers, and diagnoses, prescription 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 CE implemented additional administrative and technical safeguards and retrained its employees on cybersecurity best practices.
What is known
| People affected | 74,083 (as reported to HHS) |
|---|---|
| Disclosed | Apr 23, 2021 |
| Happened | Jan 12, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Allergy Partnersoag.ca.gov · Official notice | Official notice |
| Indiana Attorney General 2021 data breach report: Allergy Partnersin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Allergy Partners (Healthcare Provider, NC)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | Apr 23, 2021 | 201 |
| HHS archivetotal | Apr 23, 2021 | 74,083 |
| California AGresidents of CA | Dec 9, 2021 |
History of this record
- 2026-09-25 · sector: other to health · backfill source
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · data_types: [] to ["names","health"] · backfill source
- 2026-09-25 · records_basis: organization to hhs · backfill source
- 2026-09-25 · records: 3760 to 74083 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), Allergy Partners, PLLC, reported that it was the victim of a ransomware attack that compromised the protected health information (PHI) of 74,083 individuals. The PHI involved included names, addresses, dates of birt · backfill source
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 3760 · backfill source
- 2026-09-25 · disclosed: 2021-12-09 to 2021-04-23 · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.