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Summit Health Plan, Inc.
Attn: Medicare Advantage
P.O. Box 820070
Portland, OR 97282
844-827-2355 (TTY users, please call 711)
Our customer service team is available from 7 a.m. to 8 p.m., Pacific Time, seven days a week from Oct. 1 to March 31. After March 31, your call will be handled by our automated phone system on weekends and holidays.
We observe the following holidays. Business offices will be closed.
Last updated Oct. 1, 2021