Quick Reference

Credentia Registration and Scheduling Services

Washington Medication Assistant Program: MACE®

1025 Greenwood Blvd.
Suite 401 
Lake Mary, FL 32746 

Monday - Friday 8:00 a.m. – 11:00 p.m.
Saturday 8:00 a.m. – 5:00 p.m.
Sunday 10:00 a.m. – 4:00 p.m.
(Eastern Standard Time)

Create or Log into your Credentia Platform account to:

• Change your current address and phone number. 
• Submit Correction Form to update name, date of birth or social security number before your exam has been scheduled. 
• Obtain and submit an Examination Testing Application. 
• Check Testing Application status. 
• Find test sites and availability. 
• Schedule, reschedule or cancel an examination. 
• View exam details such as examination type, scheduled time, date, and location. 
• View Score Report. 
• Submit and review a Grievance application for completed examination. 
• Submit an Excused Absence application.

Contact Customer Service when:

• Problem occurs when creating your Credentia Platform Account. 
• Did not receive activation link. 
• Problems occur when applying an assigned voucher code. 
• Testing Application Issue. 
• Received an error message when scheduling examination. 
• Score report is not viewable in your Credentia account after 24 hours from your exam. 
• Call 1-888-585-6931

Washington Department of Health and Human Services 

Call the Washington State Department of Health (DOH) to:

• Obtain an Application for Certification. 
• Obtain information on state laws and rules governing the certification of nursing assistants. 
• Obtain information regarding endorsement from other states.
• Change your current address or name on your certification. 
• Obtain certification renewal information/application.

For more information, go to the Washington State Department of Health’s website at: www.doh.wa.gov.