Cal. Welf. & Inst. Code § 14124.90
(a)
(2) In order to assess overlapping or duplicate health coverage and adjudicate claims, all of the following entities shall maintain a centralized file of the eligibility and coverage information for each subscriber, policyholder, enrollee, or insured:
(b)
(1) The eligibility and coverage information shall include, at a minimum, all of the following information about a subscriber, policyholder, enrollee, or insured:
(2) For any other persons covered under the policy or plan, if any, the eligibility and coverage information shall include, at a minimum, all of the following information: