EOCCO Member contact us page
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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.

Medical/ Behavioral Health

503-765-3521 or
888-788-9821 (toll-free)
Fax: 503-948-5577


503-265-2939 or
888-474-8539 (toll-free)
Fax: 800-207-8235

Traditional Health Worker Liaison

Kathryn Hart
(503) 228-6554 x 4727

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 3625
Portland, OR 97208

Behavioral Health Claims

For mental health claims with dates of service prior to 12/31/2019:
PO Box 5308
Salem, OR 97304

For all claims (including mental health and SUD) with dates of service 1/1/2020 and after:
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)
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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