Cal. Civ. Code § 56.16
For disclosures not addressed by Section 56.1007, unless there is a specific written request by the patient to the contrary, nothing in this part shall be construed to prevent a general acute care hospital, as defined in subdivision (a) of Section 1250 of the Health and Safety Code, upon an inquiry concerning a specific patient, from releasing at its discretion any of the following information: the patient's name, address, age, and sex; a general description of the reason for treatment (whether an injury, a burn, poisoning, or some unrelated condition); the general nature of the injury, burn, poisoning, or other condition; the general condition of the patient; and any information that is not medical information as defined in Section 56.05.
Ca. Civ. Code § 56.16