OneTouchPoint, a vendor that offers printing and mailing services to insurers and providers, experienced a data breach in April that exposed patient information from 38 healthcare organizations, the company disclosed Wednesday.

Humana, Kaiser Permanente, CareSource, Geisinger, HealthPartners and a few Blue Cross Blue Shield companies are among those the breach affected, OneTouchPoint said in a news release.

OneTouchPoint discovered the breach April 28, one day after its servers were hacked, and launched an investigation into the incident, according to the news release. The company said it has no evidence that the data were used for theft or fraud.