Palomar Health Medical Group Data Breach–What Happened

Palomar Health Medical Group (PHMG), along with Graybill Medical Group and Pacific Accountable Care, LLC, discovered suspicious activity in its computer systems in May 2024. An investigation confirmed that an unauthorized party accessed files between April 23 and May 5, 2024 and may have copied them. PHMG began notifying affected individuals in October 2025 after completing a thorough review of what information was involved and who was impacted.

At this time, PHMG has not found evidence that the exposed information has been misused, but the scope of data potentially affected is extensive. If you want to learn more about how such type of data breach can affect you, contact Almeida Law Group today.

What Information Was Likely Been Exposed In this Data Breach?

Palomar Health Medical Group states that it acted quickly to secure its systems and prevent further unauthorized access. he organization:

1. Launched a forensic investigation with external cybersecurity experts

2. Notified law enforcement and relevant regulators

3. Strengthened its network monitoring and security protocols

4. Contacted affected individuals and provided guidance on credit protection

The type of data compromised varies from person to person, but may include:

1. Full name and address

2. Date of birth

3. Social Security number

4. Driver’s license or state ID number

5. Military, passport, or alien registration number

6. Financial account or payment card details

7. Health savings account information

8. Medical history and treatment information

9. Biometric data and medical record numbers

10. Medicare or Medicaid ID numbers

11. Health insurance details

12. Email addresses and account passwords

Is there Anything I Can Do To Protect Myself from Further Damage?

If you received a notice about the PHMG data breach (or have been a patient or employee of any affiliated organization) taking action now can help reduce your risk:

1. Monitor your credit and medical accounts for unfamiliar activity.

2. Request free annual credit reports from Equifax, Experian, and TransUnion.

3. Consider placing a credit freeze or fraud alert to prevent new accounts from being opened in your name.

4. Be cautious with emails or calls that request personal information.

5. Report suspicious activity immediately to your bank or the credit bureaus.

How Almeida Law Group Supports Data Breach Victims

At Almeida Law Group, we help people who have been affected by data breaches understand their rights and options. Our data privacy attorneys investigate how incidents occur, hold organizations accountable for security failures, and help victims seek justice for financial and emotional harm.

If your personal or health information was exposed in the Palomar Health Medical Group data breach, you don’t have to navigate this alone. Contact us for a free consultation to discuss your legal options.