Home Plan Documents for Blue Shield of California Trio HMO Plan Documents for Blue Shield of California Trio HMO Visit Blue Shield of California's SFHSS website here. Find an In-Network provider here. Trio HMO 2023 Blue Shield of CA Trio HMO Plan Documents 2023 Blue Shield of CA Trio HMO Plan Documents2023 Blue Shield of CA Trio HMO SOB (Active/Early Retiree) (1.67 MB)2023 Blue Shield of CA Trio HMO SOB (Active/Early Retiree) (1.67 MB) 2024 Blue Shield of CA Trio HMO Plan Documents 2024 Blue Shield of CA Trio HMO Plan Documents2024 Blue Shield of CA Trio HMO Summary of Benefits (Actives and Non-Medicare Retirees) (2.78 MB)2024 Blue Shield of CA Trio Summary of Benefits & Coverage (Actives and Non-Medicare Retirees) (284.10 KB)2024 Blue Shield of CA Trio HMO Evidence of Coverage (Actives and Non-Medicare Retirees) (1.13 MB)