Certified Physician Assistant Sheridan Tarnasky has served Morrow County Health District as a medical provider since 1998, but began her medical career as an RN, serving as the Director of Tri-County Home Health and then as Director of Nursing Services at Pioneer Memorial Hospital.  A lifelong Heppner resident, she graduated from Emanuel Hospital School of Nursing, and later Oregon Health & Science University. 

Tarnasky is a member of the Oregon Society of Physician Assistants and is a Vice Chairman of Community Solutions’ Board of Directors.

Her hobbies include reading and spending time with her grandchildren.