Board of Directors
The COHC Board of Directors holds fiduciary and strategic responsibility for governance of the Central Oregon Coordinated Care Organization (CCO). The Board establishes policy direction, ensures regulatory compliance, oversees financial stewardship, and monitors performance outcomes.
Board Responsibilities
- Monitor contractual compliance with the CCO in accordance with Oregon Health Authority regulations
- Guide regional alignment with the Regional Health Improvement Plan
- Approve budgets and financial strategy
- Review performance metrics and outcomes
- Ensure accountability for public resources
MEET OUR BOARD
Board of Directors Leadership

Tammy Baney
Executive Director Central Oregon
Intergovernmental Council, Board Chair

Linda Johnson
RN, MHA, Community Representative,
Board Vice Chair

Megan Haase
FNP and CEO,
MOSAIC Community Health
Board of Directors

Patti Adair
Deschutes County Commissioner, Deschutes County

Gary Allen
DMD, Vice President, Dental Services, Advantage Dental

Richard Booth
MHA, CEO, COIPA

Susan Hermreck
Commissioner, Crook County

Sara Johnson
Superintendent, High Desert Education Service District

Kat Mastrangelo
Executive Director, Volunteers in Medicine

Christie Rudder
CAC Chair, Consumer Representative

Emily Salmon
Vice President, St. Charles Health System

Kelly Simmelink
Commissioner,
Jefferson County

Justin Sivill
MHA, Regional Chief Operating Officer, Summit Health

Rick Treleaven
LCSW, CEO, BestCare Treatment Services; CMHD, Jefferson & Crook Counties
