Regulator-posted notice

Breach notice filed by Northwest Oncology & Hematology, S.C. (May 2016)

Organization named: Northwest Oncology & Hematology, S.C. Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Unauthorized Access/Disclosure

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS Office for Civil Rights breach portal with a submission date of May 11, 2016.

Organization as reported: Northwest Oncology & Hematology, S.C., IL
Entity type as reported: Healthcare Provider
Category as reported: Unauthorized Access/Disclosure
Location of information as reported: Email
Submission date: May 11, 2016
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 14532, row:5671)
Archived copy: Held in the private archive (provenance)

The covered entity (CE), Northwest Oncology & Hematology, S.C., reported that an employee sent emails to patients without using the blind-copy function. As a result, the email addresses of 1,625 individuals was exposed. The CE notified HHS, affected individuals, and the media. The employee responsible was sanctioned.
The source's own words, from the revision above.

Figures, per source

1,625 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date May 11, 2016, revision observed 2026-10-18.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

2016-05-11Submission date (HHS Office for Civil Rights breach portal)
2026-10-18Observed by BreachRecords (revision 14532)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Northwest Oncology & Hematology, S.C. Named as the covered entity Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
text/csv, 5,530,996 bytes, retrieved from HHS Office for Civil Rights breach portal, 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

Request a correction

A record that disagrees with its source, names the wrong organization or duplicates another is corrected after review. This form is about Breach notice filed by Northwest Oncology & Hematology, S.C. (May 2016). We acknowledge every request within two business days. We reply by email.

The form is being set up. Check back soon.