This is a Health Maintenance Organization (HMO) prefix. HMO plans have stricter routing requirements than PPO plans. Members select a PCP who manages their care and issues referrals. Claims for specialist services should include the referral number. Out-of-network claims will typically be denied unless emergency criteria are met.
Health insurance provider offering Medicare, Medicaid, commercial, dental and vision plans to over 8 million California members. Independent licensee of the Blue Cross Association founded in 1937.