Corporate Compliance & Integrity I\.U Northwestern Northwestern Memorial HealthCa,e I ,..., I Medicine· 541 North Fairbanks Court. Suile 1065 Chicago. 60611 June 12,2019 312.926 4800 nm.erg

Brian E. Frosh Maryland Attorney General Attn: Security Breach Notification ldtheft(@,oag.state.md.us

RE: Northwestern Memorial HealthCare Security Breach Notification

Dear Mr. Frosh,

Pursuant to the Maryland Personal Information Protection Act, Northwestern Memorial HealthCare ("NMHC") and its affiliates1 are providing the following notification:

Brief description of the nature of the security breach: An NMHC patient was able to view and access a file containing patient information found in a tablet computer. Number of Maryland residents being notified: One Maryland resident was affected. Please see attached sample of the notice being sent to affected patient. The information compromised: Demographic information, including first and last name, medical record number, date of birth, phone number and email; Clinical information, including potential participation in a research study for gastrointestinal diagnosis. Steps taken: NM restricted access to the tablet computer as well as access to the shared drive via any tablet computer.

A notice to the affected patient will be sent on June 13, 2019. Please contact me if you have any questions.

Sincerely, 14~ Rayan Venkatesh Program Director, Corporate Compliance & Integrity Northwestern Memorial HealthCare 541 N. Fairbanks Ct., Suite I 065 Chicago, Illinois 60611 312-965-59 J 3 [email protected]

1 Organizations owned or controlled by Northwestern Memorial HealthCare include but are not limited to: Northwestern Memorial Hospital, Lake Forest Hospital, Northwestern Medical Group, Northwestern Medicine Central DuPage Hospital, Northwestern Medicine Delnor Hospital, Northwestern medicine Regional Medical Group, Northwestern Medicine Kishwaukee Hospital, Northwestern Medicine Valley West Hospital, Kishwaukee Physician Group, Dekalb Behavioral Health Foundation, Marianjoy Rehabilitation Hospital, part of Northwestern Medicine, and .