Contracting with Kaiser Permanente's Washington State Region

Kaiser Permanente Commercial and Medicare Advantage HMO networks

Kaiser Foundation Health Plan of Washington and Kaiser Foundation Health Plan of Washington Options, Inc. (Kaiser Permanente) offers services in Washington and Idaho. Washington counties include Benton, Columbia, Franklin, Island, King, Kitsap, Lewis, Mason, Pierce, Skagit, Snohomish, Spokane, Thurston, Walla Walla, Whatcom, Whitman, and Yakima. Idaho counties include Latah and Kootenai.

We are not accepting unsolicited applications for new contracts in the Washington service area at this time. Due to our unusually high email volume, we can only reply to requests that will meet a need within our networks.

We are accepting applications for new contracts in the Idaho service area (Latah or Kootenai counties only).

If your information meets the requirements listed above, please send us an email at with your tax ID, organization name and organization address and we will send you application instructions. We cannot respond to email inquiries that do not include this required information.

To apply for a new contract in a region outside of Washington, please refer to the Kaiser Permanente Regional Provider Relations Key Contacts page on the national Kaiser Permanente website for the appropriate regional contracting department.

Kaiser Permanente PPO networks

Currently, we have very limited needs within our PPO networks. Applications are only considered for specific network needs in our service area. We do not offer the PPO plan in Idaho.

We only respond to unsolicited applications if your request meets a current network need.

Mental Health & Wellness providers

We are currently accepting applications for new contracts in the Washington and Idaho service area. To request a new contract for outpatient mental health and wellness services (including outpatient medication management, counseling, outpatient substance use disorder services, psychological testing, and neuropsychological testing), please submit a Provider Information Form online and a Magellan Health representative will contact you to begin the interested provider process.

To request a new contract for all other mental health and wellness services (such as intensive outpatient, partial hospitalization, inpatient, residential treatment, Transcranial Magnetic Stimulation), please contact Kaiser Permanente’s Provider Services team at

Alternative Medicine and Chiropractic providers

WholeHealth Networks is the administrator of Kaiser Permanente’s alternative medicine network. All requests for additions to current contracts should be submitted to WholeHealth Networks, Inc. (WHN), a subsidiary of Tivity Health Support, LLC, at 1-800-274-7526 or email

Delegated provider groups

If your organization is under a delegated credentialing agreement, notification of changes, adds, terms, and updates must be sent via the standardized delegated roster notification process.


To participate in our commercial or Medicare HMO network, please call OptumRX at 1-877-633-4701.

Health Care Benefit Managers

Kaiser Foundation Health Plan of Washington utilizes Health Care Benefit Managers for certain services. A list of Health Care Benefit Managers along with a brief description of the services they provide are located on the Kaiser Permanente member website.