South Coast Pediatrics Data Breach Affects Thousands of Patients

South Coast Pediatrics, a pediatric medical group based in Santa Ana, Calif., experienced a major data breach that impacted at least 7,000 individuals. The cyberattack was discovered on June 12, 2025 and compromised both both personally identifiable information (PII) and protected health information (PHI).

Exposed information included names, address, dates of birth, medical record numbers, diagnosis, and treatment descriptions and codes. The breach was disclosed to the California Attorney General’s office and the U.S. Department of Health and Human Services on Aug. 5, 2025.

South Coast Pediatrics began notifying individuals by mail on Aug. 4, 2024 and published a Notice of Data Breach on its website.

South Coast Pediatrics' response

South Coast Pediatrics took steps to notify affected patients and families in compliance with state and federal regulations.

If you receive a notice from South Coast Pediatrics about this breach, you may want to:

• Sign up free credit monitoring services, if offered.
• Monitor your credit reports and financial accounts for any unusual activity.
• Be alert for phishing emails or phone calls that may use your exposed information.
• Consider placing a fraud alert or credit freeze with major credit bureaus.

For more information about South Coast Pediatrics, visit their official website.