Contact HCA

Who to contact when

 For questions about
  • Replacing a ProviderOne Services card
  • ProviderOne benefit coverage
  • Apple Health Managed Care and enrollment
  • Billing and claims
Medical Assistance Customer Service Center (MACSC)

Phone: 1-800-562-3022
Business hours:

  • Client line: Monday through Friday 7 a.m. to 5 p.m. Pacific Time (PT) (except state holidays)
  • Provider line: Monday through Friday 7 a.m. to 4:30 p.m. PT (except state holidays)
For questions about
  • Apple Health Modified Adjusted Gross Income (MAGI) Medicaid eligibility (families, children, pregnant women, and single adults)
  • Post-eligibility case review or reporting changes
  • Apple Health for KIDS premium payment (also sometimes called CHIP)
  • Requesting an appeal for Apple Health programs
Medical Eligibility Determination Services (MEDS)
(MAGI Medicaid program)

Phone: 1-855-623-9357
Assistance in your local area:  HCA community-based specialists
Business hours: Monday through Friday 7 a.m. to 5 p.m. PT (except state holidays)
Apply for coverage:

For questions about
  • Applying for Classic Medicaid, Medicare Savings Program, SSI, 65+, and disabled programs
  • Requesting an appeal for Classic Medicaid
DSHS Customer Service Contact Center
(Classic Medicaid Program)

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

For questions about
  • How to report Medicaid fraud
Recipient Fraud


Provider Fraud

Phone: 1-800-562-6906

For questions about
  • Benefits (including prescription-drug coverage)
  • Finding a doctor or dentist
  • ID cards
  • Copayments, coinsurance, deductibles, or claims
  • Health plan complaints or appeals
Contact your plan
For questions about
  • Premium surcharges
  • SmartHealth wellness program
  • Eligibility or eligibility changes
    (like divorce, or becoming eligible for Medicare)
  • Changing your address, name, phone number, etc.
  • Forms
  • Adding or dropping dependents
  • Open enrollment or special open enrollment
  • Payroll deduction or premium payments
  • Eligibility complaints or appeals
You should contact


Contact your personnel, payroll, or benefits office.

All other members

Contact PEBB Benefits Services:

  • Phone: 1-800-200-1004 (toll-free) or 360-725-0440 (Olympia)
  • TTY (Text telephone service for deaf, hard of hearing, or speech impaired): 711
  • Office hours: Monday through Friday, 8 a.m. to 5 p.m. Pacific Time
  • Email: Send a question online (secure login required)
  • In-person: Walk-in customer service is available at the address below.
For questions about
  • Services covered under Uniform Medical Plan (UMP) Classic or UMP Consumer-Directed Health Plan (CDHP)
  • Open enrollment and UMP
PEBB Uniform Medical Plan

Phone: 1-888-849-3681 (1-888-361-1611 for UMP pharmacy questions)
Business hours: Monday–Friday 7 a.m. to 5 p.m. PT

For questions about
  • Billing and claims
  • A claim denial
  • Service limitations

Online (secure form):

For questions about
  • Login information
  • Security
ProviderOne Security

Phone: 1-800-562-3022 ext. 19963

For questions about
  •  Making a public records request
Public records officer

Mail: PO Box 42700, Olympia, WA 98504-2700
Phone: 1-844-284-2148
Fax: 360-586-9080

For questions about

  • Verifying an individual's former employment at HCA
HCA's Human Resources office

Phone: 360-725-1938
Confidential fax: 360-586-0040

For questions about
  • Reporting suspected Medicaid fraud
Welfare Fraud Hotline

Phone: 1-800-562-6906

For questions about
  • Techinical issues with this website



Mailing addresses

Apple Health

PO Box 45531
Olympia WA 98504

Office of Hospital Finance

PO Box 45510
Olympia, WA 98504-5510

Public Employees Benefits Board (PEBB)

PO Box 42684
Olympia, WA 98504-2684

TTY Users

Dial 711 for the Washington Relay service.

Directions to the Health Care Authority

The Health Care Authority's main building is located at:

Cherry Street Plaza
626 8th Avenue SE
Olympia, WA, 98501

From I-5 southbound

Take Exit 105B and merge onto Plum Street. Turn left at 8th Avenue. Go two blocks. HCA is on the 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. HCA is on the left.


Visitor parking is available on the corner of 7th Avenue SE and Chestnut Street SE.