MICHIGANHackingHealthcareHealthcarePHIHealth (basic)Identity (basic)Medium

Medical Oncology Hematology Consultants, P.A.

bd_2e0638d56653ed15 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 24, 2026

To disclose

—

Affected

62,972

Linked

5 filings

Confidence

70%

Full breach record for Medical Oncology Hematology Consultants, P.A. →3 incidents on file

Hematology Oncology Consultants reported to HHS on 2026-04-24 a Hacking/IT Incident affecting 62972 individuals. Breached information located on Network Server.

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Leak gap clock✗ Leak >180d

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

⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

Apr 24, 2026

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 5 about the same incident.View merged incident

A leak claim by rhysida about this victim predates this filing by 216 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Siterhysidabd_48da52597f13bd152025-10-17 · +188dVerified by operator
Leak Siterhysidabd_46e41800cd5f36a82025-09-20 · +216dVerified by operator

Regulatory filings (2) · sorted by filing gap

New Hampshire State AGbd_996ebc1f9fbd4c3c2026-04-30 · +6dVerified
Massachusetts State AGbd_d8e6325f69d84a822026-05-01 · +7dVerified by operator

Name: Medical Oncology Hematology Consultants, P.A.
norm: medical oncology hematology consultants
Industry: Health Care Services

Name: Medical Oncology Hematology Consultants, P.A.
norm: medical oncology hematology consultants
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 62,972nationwide
Data types: PHIHealth (basic)Identity (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified HHS

Compliance flags: Leak >180dHHS notified
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: not extracted
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: not extracted → Notified: not extracted	—	regulatory submission	HHS notified

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

HHS OCRApr 24 · first · this page

New Hampshire State AG+6d

Massachusetts State AG+7d

Pattern: first filing Apr 24 (MI), last May 1 (MA) — a 7-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://ocrportal.hhs.gov/ocr/breach/breach_report.jsf
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Apr 24, 2026
Raw hash: 8344d66033adcffecbd9687fdf1e7f941085d5c2494fe07a2685388a928f6df8

AI-assisted summary above. The structured extract on this page was generated from the document below. Inspect the source to verify or correct any field.

text/html987 B

Download View at source

Linked disclosures

Ransomware claims (2)

Regulatory filings (2) · sorted by filing gap

Reporting entityMedical Oncology Hematology Consultants, P.A.

Victim entityMedical Oncology Hematology Consultants, P.A.

IncidentUnauthorized Access

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing