Wood Ranch Medical
Disclosed Sep 18, 20197 years ago5,835 affectedConfirmed
The covered entity (CE), Wood Ranch Medical, experienced a ransomware attack on its computer systems (its network server and backup hard drives) that blocked access to the electronic protected health information (ePHI) of 5,835 individuals. The ePHI included demographic, clinical, and medical insurance information. The CE provided breach notification to affected individuals, HHS, and the media. Following the breach, the CE was unable to recover and restore the servers containing the PHI. As of December 17, 2019, the CE is closing its practice and ceasing operations.
What is known
| People affected | 5,835 (as reported to HHS) |
|---|---|
| Disclosed | Sep 18, 2019 |
| Happened | Aug 10, 2019 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Indiana Attorney General 2019 data breach report: Wood Ranch Medicalin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Wood Ranch Medical (Healthcare Provider, CA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | Sep 18, 2019 | 10 |
| HHS archivetotal | Sep 18, 2019 | 5,835 |
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 · records_basis: organization to hhs · backfill source
- 2026-09-25 · records: 5827 to 5835 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), Wood Ranch Medical, experienced a ransomware attack on its computer systems (its network server and backup hard drives) that blocked access to the electronic protected health information (ePHI) of 5,835 individuals. · 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.