Clinic Billing Information

HSDC’s Billing department provides professional billing service for our Audiology and Speech clinics.

If you have questions about your account or would like to make a payment, please contact us using one of the methods below.

General Phone: 206-323-5770 ext. 6208
Fax: 206-388-1292

Mario Zelaya Jr., Billing & Collections Specialist Lead
Email: mzelaya@hsdc.org
Phone (Voice): 206-388-1270

Bryan Bullock, Billing Specialist & Facilities Manager
Email: bbullock@hsdc.org
Videophone: 206-453-1149

Clinic Billing Staff

  • Bryan Bullock

    Bryan Bullock

    Billing Specialist & Facilities Manager

  • Mario Zelaya

    Mario Zelaya

    Billing & Collections Specialist Lead