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Contact us

Our Customer Service representatives are uniquely trained and qualified to answer any questions you may have about your EOCCO plan. Our team of local customer service experts is available to help you Monday through Friday from 7:30 a.m. to 5:30 p.m. Pacific Time.

Phone numbers

Medical/ Behavioral Health

888-788-9821 (toll-free)
Fax: 503-948-5577


888-474-8539 (toll-free)
Fax: 800-207-8235

Advantage Dental

TTY: 711
Hours: Monday through Thursday 8:00 a.m. to 6:00 p.m., Friday 8:00 a.m. to 5:00 p.m.
Counties served: Gilliam, Grant, Harney, Lake, Malheur, Morrow, Sherman, Umatilla, Union, and Wheeler

ODS Community Dental

TTY: 711
Hours: Monday through Friday 7:30 a.m. to 5:30 p.m.
Counties served: Baker, Grant, Malheur, Umatilla, Union, Wallowa, and Wheeler

EOCCO Mailing Addresses

Medical Claims

PO Box 40384
Portland, OR 97240

Pharmacy Claims

PO Box 999
Appleton, WI 54912-0999

Behavioral Health Claims

PO Box 40384
Portland, OR 97240

Complaints and Appeals

Eastern Oregon Coordinated Care Organization
Attn: Appeal Unit
601 SW Second Ave.
Portland, OR 97204



Customer Service: 888-788-9821 (TTY users: 711)
Pharmacy Customer Service 888-474-8539
Hours: Monday through Friday, 7:30 a.m. to 5:30 p.m. PST

EOCCO members should have their member ID number ready for quicker help.

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