Our Leadership Team

Gaelon Spradley
Chief Executive Officer
Administration

Tom Donovan
Chief Operations Officer
Administration

Heidi Zipperer
Chief Administrative Officer
Administration

Holly Sliva
Chief Financial Officer
Administration

Kari Christoph
Chief Human Resources Officer
Administration

Dr. Lou Ann Mercier
Chief Clinical Integration Officer
Chehalis

Dr. Sarah Bagby, PharmD
Chief Pharmacy Officer
Chehalis

Dr. Heather Novak, DNP
Chief Medical Officer
Tenino

Glenn Sons, PA-C
Assistant Medical Director
Centralia & Mary's Corner

Dr. Charlotte Clark-Neitzel, MD
Assistant Medical Director
North Region: Olympia, Tenino

Dr. David Little, DO
Assistant Medical Director
Chehalis

Dr. Sarah Landrum, MD
Assistant Medical Director
South Region: Onalaska, Toledo, Winlock

Dr. Soo-Ryun Ahn, MD
Assistant Medical Director
West Region: Raymond, Pe Ell

Dr. Jennifer Joung
Assistant Dental Director
Chehalis

Warren Hall, RPH
Assistant Pharmacy Director
Chehalis

Amir Piranfar, PharmD
Assistant Clinical Pharmacy Director
Chehalis

Melissa Howard
Regional Administrator
Centralia Region: Centralia Medical, Centralia Walk-In

Sharon Smith
Regional Administrator
West Region: Pe Ell, Raymond

Gwen Walker
Regional Administrator
South Region: Morton, Onalaska, Toledo, Winlock

Jeanette Backhaus
Regional Administrator
North Region: Olympia, Tenino

Tanya Wisner
Regional Administrator
Chehalis Region: Chehalis, Centralia Children's Dental

Alicia Charles
Assistant Regional Administrator
Chehalis Region: Chehalis, Centralia Children's Dental

Nicki Mills
Revenue Cycle Administrator
Administration

Chris Halsell
Grants Management Specialist
Administration

Matt Patana
Facilities Administrator
Administration

Jillianne Cave
Controller
Administration

Julie Monk
Patient Access Administrator
Administration