Highmark Blue Cross Blue Shield
adultBasic

adultBasic

Contact Us

By Phone:
Toll free weekdays 8:30 am until 4:30 pm
1-800-543-7105
(Hearing Impaired callers use TTY 1-877-323-8480)

By Mail:
Highmark CHIP & adultBasic Unit
P.O. Box CARING
Pittsburgh, PA 15230-9779

By Fax:
412-544-1657

By Email:
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