Cal. Unemp. Ins. Code § 2714

All medical records of the department obtained under this part, except to the extent necessary for the proper administration of this part, or as provided elsewhere in law shall be confidential and shall not be published or be open to public inspection in any manner revealing the identity of the claimant or family member, or the nature or cause of his or her disability. Medical records that are disclosed shall be disclosed only pursuant to Section 1095, and shall remain confidential.