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Call 1-866-880-0606 or 650-616-2174 Monday–Sunday 8:00 a.m. to 8:00 p.m.
TTY: 1-800-735-2929 or dial 7-1-1
Email: CareAdvantageSupport@hpsm.org
Call 1-800-750-4776 or 650-616-2133 Monday–Friday 8:00 a.m. to 6:00 p.m.
Email: MemberServicesSupport@hpsm.org
Provider Services 650-616-2016 Monday–Thursday 8:00 a.m. to 5:00 p.m. Friday 1:00 p.m. to 5:00 p.m.