New York Oncology Hematology
Disclosed Nov 16, 20187 years ago128,420 affectedConfirmed
The covered entity (CE), New York Oncology Hematology, P.C., reported that numerous employees of it and its business associate (BA) were the victims of an email phishing attack that affected the electronic protected health information (ePHI) of 128,400 individuals. The ePHI involved included names, dates of birth, addresses, email addresses, health insurance information, diagnoses, Social Security numbers, drivers’ license numbers, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. The CE also provided one year of credit monitoring and identity theft protection services. In its mitigation efforts, the BA strengthened its technical and security safeguards while the CE strengthened its administrative safeguards and provided training on email security to all workforce members.
What is known
| People affected | 128,420 (as reported by the organization) |
|---|---|
| Disclosed | Nov 16, 2018 |
| Happened | Apr 20, 2018 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Indiana Attorney General 2018 data breach report: New York Oncology Hematologyin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): New York Oncology Hematology (Healthcare Provider, NY)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | Nov 16, 2018 | 21 |
| HHS archivetotal | Nov 16, 2018 | 128,400 |
History of this record
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · data_types: [] to ["names","health"] · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), New York Oncology Hematology, P.C., reported that numerous employees of it and its business associate (BA) were the victims of an email phishing attack that affected the electronic protected health information (ePHI · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.