Mona has been a hygienist with Hill Avenue Dental for 26 years. She moved back to Spirit Lake in 1994 where she and her husband Tim have raised four children and now have six grandchildren. Mona continues to enjoy her free time biking, golfing and kayaking.


Amber graduated with a Bachelors of Science degree from the University of South Dakota. She has over 15 years of experience as a Registered Dental Hygienist. When she is not at the office taking care of patients, she is with her husband Matt and their two sons, Joe and Toby. Amber enjoys boating, being outdoors and spending time with her family.



Jill has been with our team for 6 years following completion of her dental hygiene degree at Hawkeye Community College in 2014. She and her husband Blake live in Spencer with their son Maddox, a springer spaniel and two cats. In her free time she enjoys crafting, shopping and spending time with her family and friends.


Angela is from West Bend, Iowa and completed the dental hygiene program at Hawkeye Community College in 2000. She and her husband moved to Milford in 2015 where they live with their five children. Angela’s happy place is home. She enjoys cheering her kids on in all the things, gardening, canning, going for walks and reading.

Dental Assistants


Shelly has been a dental assistant with Hill Avenue Dental for 21 of her 27 year career. She loves getting to know her patients and prides herself on making their dental visit as enjoyable as possible. Shelly lives outside Milford with her husband Brian on the family’s century farm. They have a son and a daughter. When outside of the office, Shelly can be found helping on the farm, camping, or reading.


Ciera graduated from Spirit Lake High School and completed the dental assisting program at Kirkwood Community College. She joined our Hill Avenue Dental team in 2020. When Ciera isn’t working she enjoys spending time with her dogs, friends, and family.

Front Office


Melinda graduated from the Western Iowa Tech dental assisting program in 2004. She moved here from Sioux City in 2009 and joined Hill Avenue Dental. Melinda assisted Dr. Dotson and Dr. Hartzell for 10 years before moving to the front desk where she continues to enjoy helping our patients. Melinda lives near Estherville with her husband Shayne and five children. In her spare time she enjoys baking, shopping and attending her children’s sporting events.


Heather was raised in Spirit Lake and graduated from Spirit Lake High School. She moved back to the area in 2015 where she lives with her German shepherd Tara. Heather joined the Hill Avenue team in 2020. When she is not with her family she spends her free time knitting, reading and baking.