Companies

Hematology Oncology Consultants: data breach filings, state by state

Hematology Oncology Consultants has 2 data breach filings on record in 2 government portals. The latest was reported to Massachusetts OCABR on May 1, 2026, with 16 Massachusetts residents. Data exposed, as filed: Social Security number, Medical / health information.

16residents counted in 1 state (MA). Latest filing per state, last twelve months
62,972people in total, as reported to HHS OCR on Apr 24, 2026
2filings in 2 government portals
May 1, 2026latest filing, Massachusetts OCABR

By portal

PortalFilingsLatest reportPeople in the latest filing
Massachusetts OCABR1May 1, 202616 Massachusetts residents
HHS OCR1Apr 24, 202662,972 in total

Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.

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Every filing

OrganizationSourceStateReportedResidents affectedData exposed
Hematology Oncology Consultants Massachusetts OCABR MA May 1, 2026 16 Social Security numberMedical / health information
Hematology Oncology Consultants HHS OCR US Apr 24, 2026 62,972 Medical / health information

Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.