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City Health, a medical corporation Data Breach (April 2026): What Was Exposed and What To Do

Last updated Oct 20, 2026 · Based on 2 official filings · See sources

According to the breach report filed with the U.S. Department of Health and Human Services, Office for Civil Rights on Apr 14, 2026, City Health, a medical corporation reported a data breach. It was also reported to the California Attorney General. People affected: 65,000 people (official total in the U.S. Department of Health and Human Services, Office for Civil Rights filing, filed Apr 14, 2026).

Key facts

From 2 official filings
Organization
City Health, a medical corporation
Source: U.S. Department of Health and Human Services, Office for Civil Rights, filed Apr 14, 2026
People affected
65,000
Official total in the U.S. Department of Health and Human Services, Office for Civil Rights filing, filed Apr 14, 2026
Source: U.S. Department of Health and Human Services, Office for Civil Rights, filed Apr 14, 2026
Incident dates
Mar 2, 2026 – Mar 11, 2026
Source: California Attorney General, filed Apr 14, 2026
Notice dates
First filed Apr 14, 2026
Source: U.S. Department of Health and Human Services, Office for Civil Rights, filed Apr 14, 2026
Information exposed
  • Medical information
Source: HHS, Apr 14, 2026
Filed with
Free credit monitoring
No offer is stated in the filings we have. Check your letter.

What to do now

Steps chosen from the information listed in the official filings. Your own letter may list more.

  1. Check the Explanation of Benefits (EOB) statements from your insurer for visits, prescriptions or claims you do not recognize, and contact your insurer about anything unfamiliar.

  2. Scammers often contact people after a breach, pretending to be the organization, a bank or a government agency. Do not give your Social Security number, passwords or codes to anyone who contacts you first.

  3. You can get free credit reports from all three bureaus at AnnualCreditReport.com, the official site.

  4. The Federal Trade Commission's IdentityTheft.gov gives you a personal recovery plan.

Is the letter real?

Letters usually list a phone number for questions. We could not find an official copy of the letter, so check that the organization named in your letter appears in the official filings listed below before you call.

Never give your Social Security number, bank details or passwords to someone who contacts you first.

Timeline

  1. Incident began (earliest date reported) source
  2. Incident ended (latest date reported) source
  3. Reported to HHS and California AG source

Sources

  1. U.S. Department of Health and Human Services, Office for Civil Rights Breach report filed Apr 14, 2026
    Filed as “City Health, a medical corporation” · total 65,000
    The link opens the agency's list; search it for the organization name.
  2. California Attorney General Notice filed Apr 14, 2026
    Filed as “City Health, a medical corporation”

Last updated Oct 20, 2026. Our summaries are written in our own words from the official filings above. Spotted an error? Report a correction.