All Breaches
September 20, 2025 Verified Sensitive Record Healthcare / Oncology

Hematology Oncology Consultants Data Breach

The Hematology Oncology Consultants data incident relates to a cyberattack the organization reported as occurring on or about September 20, 2025.

63 Thousand
Affected People
4
Data Types
Medium
Severity
Yes
Verification

Exposed Data Types

4
Names
Social security numbers
Medical information
Health insurance information

Additional Information

Added DateJuly 7, 2026
Breach DateSeptember 20, 2025
Domainhocpc.com
SourceOfficial organization notice with HHS and state regulatory filings
Last Content UpdateJuly 29, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

Report missing or incorrect information

Company Information

Company NameHematology Oncology Consultants
SectorHealthcare / Oncology
CountryUnited States
Websitehocpc.com

Risk Level

Medium

The reported impact exceeds 10 thousand and falls within the medium severity band.

Protect Yourself

Check whether you were affected by this breach

Check Now