BASS Medical Group Data Breach (2026): What Was Exposed & What to Do

✅ Official notice on file. BASS Medical Group filed this data breach notice with the California Attorney General on Oct 22, 2026. Compare it with the letter you received: the official copy is linked below.

View the official notice · Read the letter (PDF)

BASS Medical Group reported a data breach caused by unauthorized access to its computer network. The information involved includes medical information, health insurance, home address.

Key facts

Incident type Network intrusion
Data exposed Medical information, Health insurance, Home address
Reported to California AG Oct 22, 2026
Company helpline 1-855-711-7083

What to do now

  1. Review the Explanation of Benefits statements from your insurer for services you never received.
  2. Ask your insurer whether a new member ID can be issued, and check claims made under your policy.
  3. Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
  4. Call the BASS Medical Group helpline at 1-855-711-7083 if you have questions about your letter.

Other recent data breaches

Source: notification letter and filing submitted by BASS Medical Group to the California Attorney General. BreachLetter is not affiliated with BASS Medical Group. Details extracted from the official letter; always follow the instructions in your own copy.