As a CareOregon provider, you may have some specific questions for us. Below, you’ll find contact and procedural information for providers.

Becoming a CareOregon Provider

CareOregon provides plan services to five Coordinated Care Organizations and offers two Medicare plans supporting and enhancing sensible, localized, coordinated care.

If you are interested in becoming a contracted provider please review our Credentialing requirements for Primary Care Providers and Specialists.

If you have additional questions or would like to start the contracting process please email and include the following:

  • Provider Name or Clinic Name
  • Specialty
  • Phone Number
  • Fax Number
  • Physical Address
  • NPI
  • TIN
  • DMAP ID #

Thank you for your interest in joining CareOregon’s provider panel!

Verifying Clinics’ E-mails

CareOregon is confirming clinics’ e-mail addresses to ensure that we can contact you with system alerts and other critical information. Please send the e-mail address(es) that you want CareOregon to use when contacting your clinic to Be sure to identify each e-mail with job title and name.


Get in touch with CareOregon

Send changes or updates to your clinic(s).

Provider Relations Specialists

Team Assignment List

Fax number: 503-416-1478 or 1-800-874-3916



  • Send your e-mailed claims inquiries to Note: All emails containing protected health information (PHI) must be sent in a secured manner. We are unable to respond to e-mail that are not sent securely.
  • Phone numbers: 503-416-4100 or 1-800-224-4840. Press option 3 for provider.
  • Send CareOregon Advantage and OHP electronic claims to the same payor ID (93975). Do not bill separately for each plan.
  • Mail paper claims to:
Claims, CareOregon
PO Box 40328
Portland OR 97240



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Care Management Department

Fax number: 503-416-3637 or 1-800-862-4831