Palomar Health Medical Group
ent_69ed1752af9287abc87b7c19
Disclosures
3
HHS OCR · State AG · 1 jurisdiction
Multi-filing incidents
—
no multi-filing incident in sample
Max affected reported
1,140,221
nationwide · HHS OCR CA
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Palomar Health Medical Group
- Normalized
- palomar health medical— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- palomarhealthmedicalgroup.org
Disclosure history (3)newest first
- CALIFORNIAHHS OCRas victim2026-05-08
Palomar Health Medical Group reported to HHS on 2026-05-08 a Hacking/IT Incident affecting 501 individuals. Breached information located on Network Server.
- California State AGas victim2025-10-15
Palomar Health Medical Group (PHMG) reported that an unauthorized actor gained access to certain files on its network from April 23, 2024, to May 5, 2024, and may have copied them. PHMG identified suspicious activity on May 5, 2024. The incident potentially impacted patient information including names, SSNs, health records, financial account info, and biometric data. PHMG notified law enforcement, enhanced security protocols, and offered credit monitoring. The notice was reissued in October 2025 to individuals who may not have previously received it.
- CALIFORNIAHHS OCRas victim2024-07-03
Palomar Health Medical Group reported to HHS on 2024-07-03 a Hacking/IT Incident affecting 1,140,221 individuals. Breached information located on Network Server.