Lifespan Physicians Group of Massachusetts, Inc. — December 2025 breach

Clustered 5 filings across 4 jurisdictions · filing window Jul 1, 2026 → Jul 16, 2026. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

5 filings

States

Affected · reported

311,760

First → last filing

Jul 1, 2026 → Jul 16, 2026

Merge confidence

100%

incident inc_dd30ebda59674313 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 5 regulatory filings. The filings describe unauthorized access. Intrusion Dec 15, 2025–Dec 16, 2025, discovered Dec 16, 2025 — the first regulatory filing landed 197 days later. 311,760 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), Financial account, and 5 more. Notifications rolled out on a 15-day schedule across 5 filings beginning Jul 1, 2026. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

197days

Discovered → first regulatory filing

Discovery variance

0days

Range of discovered_at dates across filings

Filing span

15days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.

Regulatory clocksHIPAA✓ HHS notifiedFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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