Proliance Surgeons
ent_2e7d140cd1bc6115ee813b3b
Disclosures
4
Leak Site · State AG · HHS OCR · 3 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
437,392
nationwide · HHS OCR WA
Leak-site claims
1
unverified actor claims
Identity resolution
- Canonical name
- Proliance Surgeons
- Normalized
- proliance surgeons— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- proliancesurgeons.com
Disclosure history (4)newest first
- GLOBALLeak Siteas victim2026-08-18
Proliance Surgeons is a large physician-owned surgical group based in the United States, primarily operating in Washington State. The organization brings together hundreds of independent surgeons across dozens of specialties, including orthopedics, general surgery, and sports medicine. It operates numerous clinics and surgical centers throughout the Pacific Northwest, providing outpatient and inpatient surgical care to patients across the region.
- Massachusetts State AGas victim2023-11-21
Proliance Surgeons reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-11-21. 222 Massachusetts residents were affected. The report records the breach type as electronic.
- Washington State AGas victim2023-11-20
Proliance Surgeons notified Washington AG of a ransomware incident on Feb 11, 2023, affecting 329,291 individuals. Personal info including names, DOBs, and SSNs was accessed. Proliance engaged forensic investigators, contained the network, and notified law enforcement. Credit monitoring and fraud assistance were offered to affected patients.
- WASHINGTONHHS OCRas victim2023-11-20
Proliance Surgeons reported to HHS on 2023-11-20 a Hacking/IT Incident affecting 437,392 individuals. Breached information located on Network Server. The incident involved ransomware encrypting PHI including names, DOB, addresses, driver's licenses, SSNs, financial info, and diagnoses. The entity provided credit monitoring and implemented safeguards.