Need a Prior Authorization?

* When Prior Authorization is 'Required', click here to create Service Request/Authorization

PA Lookup tool is under maintenance.

Please refer to the state specific Excel matrix while the PA Lookup Tool is disabled.

Welcome, Washington Healthcare Providers

Contracted providers are an essential part of delivering quality care to our members. We value our partnership and appreciate the family-like relationship that you pass on to our members.

As our partner, assisting you is one of our highest priorities. We welcome your feedback and look forward to supporting all your efforts to provide quality care.

If you have any questions, call Provider Services at (855) 322-4082.

For the latest trainings and resources on integrated care and other best practices please click here.

Join Our Network

At Molina Healthcare, we consider ourselves a part of our member’s extended family. To our extended family, we are committed to providing high quality health care by having a robust network of physicians, hospitals, healthcare facilities, and other healthcare providers.

To join our network
  • Before you contact Molina, you must have your billing and rendering NPI’s registered with the Health Care Authority (HCA). Please note, all rendering and billing NPI numbers must be registered with the HCA. If you have questions regarding this state requirement, please contact the HCA at 1-800-562-3022 ext. 16137.

  • Begin the process of joining our network of quality providers by completing a Contract Request Form and submit along with a W-9 to

  • Add a new provider to an existing group by completing an Add Provider/Mini Application  form and return to

  • Washington law requires all health care providers submit credentialing applications through ProviderSource. To avoid delays please ensure applications are current, including work history and attestations. You must also grant Molina access to retrieve this application.

  • We will evaluate your submission and provide you with a response within 120 days of the next steps. Incomplete submissions will not be evaluated.

For more information about Molina Healthcare and to review our Provider Manual, please visit:

For the current Apple Health (Medicaid) fee schedule please visit:

Behavioral Health Coverage

See what we cover for mental health and substance use disorders here.