Contact us

Select from the following to get help answering your questions.

For Apple Health (Medicaid) providers
I need help with ... Contact ...
  • Provider enrollment and revalidation

Phone: 1-800-562-3022 ext. 16137
Phones are open: Tuesdays and Thursdays from 7:30 a.m. to 4:30 p.m. (Closed from noon to 1 p.m.)
Phones are closed: Mondays, Wednesdays, and Fridays.
Email: Provider Enrollment

  • Billing and claims
  • Service limitations
  • Service card requests
  • Health plan enrollments
  • Benefit questions
  • Technical issues with ProviderOne (providers only)

Medical Assistance Customer Service Center (MACSC)

For claims close to two-year deadline

Important! If you need assistance on a claim close to the two-year timely filing deadline, please type "Urgent, timely issue." in the Other Comments box.

Phone: 1-800-562-3022 (choose "provider services")
Long waits are sometimes required, but self-service options are available using the web forms above.

TRS: 711 through Washington Relay.

Business hours:

  • Provider general line and social services billers: Monday through Friday, 7 a.m. to 4:30 p.m. (Pacific) (except state holidays)
  • Claims line: Monday through Friday, 8 a.m. to noon and 1:30 to 3:30 p.m. (Pacific) (except state holidays)
    • Nursing home claims line (ext. 16820): Monday through Friday, 8 a.m. to noon. (Pacific) (except state holidays)
  • Medical policy
Online: Apple Health clinical policy form
Email: Apple Health clinical team
For behavioral health providers
I need help with ... Contact ...
  • Apple Health behavioral health
  • Non-Apple Health behavioral health
  • Mental health
  • Substance use
  • Recovery support
  • Peer support
  • Employment support
  • Housing support
  • Prevention

In crisis? If you need immediate assistance, call 911. All people in Washington have access to the Washington Recovery Help Line at 1-866-789-1511 (24/7) and county mental health crisis lines.

Have a question about a specific program within the Division of Behavioral Health and Recovery?

  • Behavioral health licensing and certification

Department of Health (DOH) Health Systems Quality Assurance Division (HSQA)
Phone: 1-360-236-4700
Email: HSQA credentialing

For complaints, reporting fraud, and access to ProviderOne
I need help with ... Contact ...
  • Comments
  • Complaints
  • Legislative and government inquiries

Email: AskMedicaid

Nonsecure communication!

This is not a secure communication and should not include any personal health information. Please include a Services Card number for identification purposes and faster service.

  • Reporting suspected Medicaid fraud

Email: HotTips
Phone: 1-833-794-2345 (toll free)

  • Login information
  • Security

Email: ProviderOne Security

Locked out of ProviderOne?

Users can unlock their own accounts by using the password reset functionality in ProviderOne.

If you are still having issues, you must contact your organization/office's system administrator for assistance. If you are a system administrator, email ProviderOne Security to regain system access.

For rates and fee schedules
I need help with ... Contact ...
  • Professional rates and fee schedules

Email: Professional rates

  • Hospital rates, payments, and fee schedules

Office of Hospital Finance

Regular mail — send to:
Office of Hospital Finance

Health Care Authority
PO Box 45510
Olympia, WA 98504-5510

Certified and FedEx mail:
The sender cannot send this type of mail to a post office box. Refer to the USPS or FedEx mailing forms for their specific format.

Office of Hospital Finance
Health Care Authority (optional)
Cherry Street Plaza 5th Floor (MS:45510)
626 8th Avenue SE
Olympia, WA 98501