Mail

PacificSource Health Plans
PO Box 35124
Seattle, WA  98124-5124

Online

https://ipay.pacificsource.com/

Pay By Phone

1-800-591-6579
TTY 711

Overnight Address

PacificSource Health Plans
555 International Way
Springfield, OR 97477

Customer Service

PacificSource Customer Service
1-888-977-9299
TTY 711
7 a.m. to 5 p.m. Monday - Friday