UnknownHealthcareHealthcareGovernment IDHealth (basic)Medium

OB-GYN ASSOCIATES OF GREEN BAY, LTD.

bd_5d16f8d73af0964b · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Oct 30, 2025

To disclose

—

Affected

23state residents only

Linked

9 filings

Confidence

95%

Full breach record for OB-GYN ASSOCIATES OF GREEN BAY, LTD. →

OB-GYN Associates reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-10-30. 23 Massachusetts residents were affected.

J jump to incidentP pin to compareR raw source

Massachusetts clock✓ MA credit monitoring due

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Oct 30, 2025

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Indiana State AGbd_568cc758d8ba05692025-10-29 · +1dVerified
Vermont State AGbd_635dc936fe30084a2025-10-29 · +1dVerified
Maine State AGbd_73c60735d4e969b82025-10-29 · +1dVerified
California State AGbd_7ff948a8f329576d2025-10-29 · +1dVerified

Show 4 more filings ↓up to 50d gap

New Hampshire State AGbd_db23a632d5a05b692025-10-29 · +1dVerified
Nebraska State AGbd_fac9377cfd865ee72025-10-29 · +1dVerified
New Hampshire State AGbd_62bbb0271e1447ba2025-09-10 · +50dVerified
Montana State AGbd_ae83a9c0ba62af602025-09-10 · +50dCandidate

Name: OB-GYN ASSOCIATES OF GREEN BAY, LTD.
norm: ob gyn associates of green bay

Name: OB-GYN ASSOCIATES OF GREEN BAY, LTD.
norm: ob gyn associates of green bay
Industry: Healthcareregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 23state-resident count only
Data types: Government IDHealth (basic)
Data elements: Social Security numberMedical informationDriver's licence number
Stated not affected: Financial account numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: MA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 8 states

View merged incident ↗

New Hampshire State AGSep 10 · first

Montana State AGSep 10 · first

Indiana State AG+49d

Vermont State AG+49d

Maine State AG+49d

California State AG+49d

New Hampshire State AG+49d

Nebraska State AG+49d

Massachusetts State AG+50d · this page

Pattern: first filing Sep 10 (NH), last Oct 30 (MA) — a 50-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.mass.gov/doc/data-breach-report-2025/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 30, 2025
Raw hash: b43f429c91e880fe016dd0efd8b4b70708cbd0d895a157e47126dfd66464ae48

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityOB-GYN ASSOCIATES OF GREEN BAY, LTD.

Victim entityOB-GYN ASSOCIATES OF GREEN BAY, LTD.

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov