Coming soon! The Health Care Authority launches its new, user-focused website on August 1.

Contact the Health Care Authority

Washington Apple Health (Medicaid) Customer Service Center

Phone: 1-800-562-3022
Hours: 7 a.m. to 5 p.m. Monday through Friday (except state holidays)
Email Address:
  • Replace a ProviderOne Client ID Services card
  • ProviderOne benefit coverage questions
  • Washington Apple Health Managed Care enrollment and questions

Washington Apple Health Medicaid Eligibility Determination Services

Phone: 1-855-623-9357
Hours: 8 a.m. to 5 p.m. Monday through Friday (except state holidays)
Website:  Email Address:
  • Washington Apple Health Modified Adjusted Gross Income (MAGI) Medicaid eligibility questions (families, children, pregnant women, and single adults)
  • Post-eligibility case review questions or to report changes
  • Washington Apple Health for Kids premium payment questions (CHIP)
  • Request and appeal for Washington Apple Health Programs

Classic Medicaid Program

Phone: 1-877-501-2233 or 1-877-980-9220 (answer phone)
Hours: 8 a.m. to 5 p.m. Monday through Friday (except state holidays)

  • Apply for Classic Medicaid programs, SSI, 65+, and disabled
  • Request an appeal for Classic Medicaid

Public Employees Benefits Board

Phone: 1-800-200-1004 or 360-725-0440
Hours: 8 a.m. to 5 p.m. Monday through Friday (except state holidays)

Uniform Medical Plan

Phone: 1-888-849-3681

Uniform Medical Plan Pharmacy Questions

Phone: 1-888-361-1611

Washington Prescription Drug Program

Phone: 206-521-2029


Webform: This is a secure online form for provider and client: billing/claim questions, Service Card requests, Apple Health (Medicaid) health plan enrollments, benefit questions.

Email: 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.

TTY Users

Dial 711 for the Washington Relay service.

Executive Office

Washington State Health Care Authority
626 8th Avenue SE
P.O. Box 45502
Olympia, WA 98504-5502

Dorothy Frost Teeter, Director
MaryAnne Lindeblad, Medicaid Director
Tamarra Paradee, Executive Secretary

HCA Organization Chart

Public Disclosure Requests

Catherine Taliaferro, Records Officer
PO Box 42700
Olympia, WA 98504-2700
Phone: 1-844-284-2148
Fax: 360-586-9080

Tribal Liaison

Jessie Dean
Phone: 360-725-1649
Fax: 360-586-9551

Verification of Employment

Human Resources
Phone: 360-725-1938
Confidential Fax: 360-586-0040

Website or Health Care Authority Information

Send technical comments about this website.​

Office Hours

Monday - Friday: ​8 a.m. - 5 p.m. Weekends, state and federal holidays: closed

​In unusual circumstances when additional closure may be required, the agency will update this website to reflect the operational status of the office.

Report Suspected Medicaid Fraud:

1-800-562-6906 or send us an email at

Health Care Authority Addresses

Mailing address:
Please see the program-specific websites linked to the left for mailing addresses.

Street address:
(do not mail/ship to this address)
626 8th Avenue SE
Olympia, WA 98501

Getting to the Health Care Authority

The Health Care Authority building is called Cherry Street Plaza, located at 626 8th Avenue in downtown Olympia.

From I-5 Southbound
Take Exit 105B and merge onto Plum Street. Turn left at 8th Avenue. Go two blocks. Cherry Street Plaza is on your right (between Chestnut and Cherry).

From I-5 Northbound
Take the exit toward State Capitol/City Center. Merge onto 14th Avenue SE. At the traffic circle, take the first exit onto Jefferson Street SE. Turn right onto 8th Avenue SE. Go one block. Cherry Street Plaza will be on the left.

View Map | Printable Map

Visitor parking

Corner of 7th Avenue SE and Chestnut Street SE