Are Lob processes HIPAA compliant? Lob has dedicated HIPAA compliant processes and facilities for customers that require it. If your documents require HIPAA compliance, please reach out to Sales to get a BAA executed. Related articles If I am not under the Enterprise plan, can I gain access to HIPAA compliant mailings for an additional fee? How does Lob change my input addresses? What product specs for letters do you have available? Does Lob support custom envelopes? Does Lob offer Electronic Return Receipts?