OSF Saint Luke Medical Center

Kewanee, Illinois

Meet the Team

Tami Harker, DNP, BC-ADM, CDE - Advanced Practice Nurse

Ruth Fluke Tami Harker Tami grew up in Kewanee and "strives each and every day to provide individual and compassionate care to all we serve. I enjoy spending time with our patients and their families getting to know them." Tami has earned a Doctor of Nursing Practice from the University of Illinois at Chicago and is Board Certified in Advanced Diabetes Management and is a Certified Diabetes Educator. 

Tami enjoys spending time with family and friends, cooking and trying new recipes, shopping and traveling. 








Sara Umphfleet, RD LDN - Clinical Dietitian

Sara Umphfleet, RD, LDN.JPG Sara Umphfleet Sara is a Clinical Dietitian who joined OSF HealthCare Saint Luke Medical Center in 2017. She "strives to teach everyone to love, enjoy and share delicious food." 

Sara is originally from Iowa and received her Associate of Arts in Liberal Arts at Des Moines Area Community College. She went on to earn a Bachelor of Science in Dietetics from Iowa State University. She completed a Dietetic Internship through Iowa State University with rotations in Illinois, Iowa and Nebraska. Sara is a member of multiple dietitian practice groups including diabetes care and education, medial nutrition and weight management.

"Food is not meant to be feared or be the cause of disease and suffering. Food is one of God's greatest pleasures and connectors. It's meant to nourish every aspect of your life."

In her free time, Sara enjoys creating new recipes and trying new foods.