CALIFORNIA
AETNA / BLUE SHIELD / CARELON / CIGNA
OSCAR / OXFORD / OPTUM / QUEST / PROVIDENCE
WASHINGTON
AETNA / AMBETTER / BCBS / CARELON / CIGNA / PREMERA / OSCAR
OXFORD / OPTUM / QUEST / PREMERA / REGENCE / PROVIDENCE
OREGON
AETNA / BCBS / CARELON / CIGNA / OSCAR
OXFORD / PROVIDENCE / REGENCE / OPTUM / QUEST / PROVIDENCE