McKesson Corporation: Ademi LLP Investigates Claims for Damages

MILWAUKEE, Aug. 28, 2026 (GLOBE NEWSWIRE) -- Ademi LLP is investigating potential data privacy claims arising from a data breach involving McKesson. We are investigating whether McKesson maintained reasonable safeguards to protect personal information.

Please contact us for more information.

What Happened

On August 25, 2026, McKesson’s discovered that its systems and files were breached. McKesson will be notifying people whose information may have been compromised.

Information Compromised

Reports claim that 284 million records were obtained, linked to tens of millions of McKesson patients. The information compromised may include your:

• Identity and contact information: full names, home addresses, dates of birth, phone numbers, email addresses, and Social Security numbers.
• Healthcare identifiers: patient IDs, medical record numbers (MRNs), and Medicaid numbers.
• Medical information: illnesses and diagnoses, allergies, medications, disabilities, patient notes, appointment details, and physician information.
• Highly sensitive records: hospice and terminal illness information, causes of death, autopsy details, sexual orientation, and other personal status information.
• Predictive health data: disease-risk assessments, including cancer predictions linked to individual patients.
• Prescription and billing records: medication orders, invoice and billing information, shipment addresses, dates, and tracking numbers.

You May Be Impacted

Your personal information may have been accessed or acquired illegally and you may face an increased risk of identity theft, financial fraud and other misuse.

Your Options

You may may be entitled to seek compensation for this data breach. Ademi LLP will evaluate your rights and potential claims at no cost to you.

Protecting Yourself

You should consider taking steps to protect your personal information, including:

• Reviewing bank, credit card, and other financial accounts for suspicious activity;
• Monitoring credit reports for accounts or inquiries they do not recognize;
• Preserving any letters or emails regarding the data breach;
• Enrolling in any complimentary credit or identity monitoring services offered in connection with the breach; and
• Considering placing a fraud alert or security freeze on your credit files.

Contact Us for a Free Evaluation

If you received a notice concerning the McKesson data breach and would like to learn more about the investigation, please contact:

Guri Ademi
Ademi LLP
3620 E. Layton Avenue,
Cudahy, WI 53110
Phone: 414-482-8000
Email: gademi@ademilaw.com

About Ademi LLP

We specialize in consumer and investor class actions. We investigate data breaches and cybersecurity incidents nationwide.

This press release may be considered Attorney Advertising. Prior results do not guarantee a similar outcome.