Understanding your Select Medical Holdings, Inc. data breach notification letter
If a Select Medical Holdings, Inc. letter arrived in your mailbox, here is what it means, why you received it, and the free steps you can take right now.
Why you received this letter
Select Medical Holdings, Inc. is a prominent healthcare provider that operates a vast network of specialty hospitals, rehabilitation facilities, and outpatient clinics. As a healthcare entity, the company routinely collects and maintains highly sensitive personal information, including protected health information, clinical data, and government-issued identification numbers required for patient billing and insurance processing. In 2025, the company officially reported a data security incident to the New Hampshire Attorney General, confirming that unauthorized access to their systems occurred. If you received a data breach notification letter from Select Medical, it indicates that your personal or medical information may have been compromised during this event. This notification is intended to inform you of the incident and provide guidance on the steps you should take to protect your identity and medical records.
What to do after the letter
Confirm the notice is genuine
A legitimate Select Medical Holdings, Inc. notice references the specific incident reported to the New Hampshire Attorney General and describes which categories of your information were involved. Compare the letter against the public filing before acting on any links or phone numbers it contains.
Keep the letter — it is your proof of connection
The notification letter is the document that ties your personal information to this incident. Keep the original and photograph it. If you later request a case review, this letter is the strongest evidence that you were among the affected individuals.
Protect your accounts and credit
Depending on what was exposed, consider a free credit freeze with all three bureaus, new passwords for reused credentials, and monitoring of financial statements. These steps are free and do not require you to wait for anyone's permission.
Check the record against the public filing
You can verify the Select Medical Holdings, Inc. incident against the filing reported to the New Hampshire Attorney General. This registry summarizes what was filed; it does not provide legal advice.
This page summarizes a data breach reported to the New Hampshire Attorney General for informational purposes. DataBreachInformation.com is a neutral reference registry and does not provide legal advice.