Our Dental Team

Dr. Jeff Flemming graduated from Chaska High School in 1980, the College of St. Olaf in 1984 and from the University of Minnesota Dental School in 1989. He worked as an associate dentist at Chosen Valley Dental in Chatfield, MN from 1990-1992. He came to Northway Dental Associates in 1992. 

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Dr. Flemming has been a resident of Sartell since 1993. He is married with two grown children, and enjoys reading, golf, fishing, hockey and traveling

Dr. Sarah Layne is a native of St. Cloud, Attended Cathedral High School and the University of Minnesota Duluth for her undergraduate studies. Dr. Layne graduated from the University of Minnesota Dental School in 2004 and has been practicing at Northway Dental Associates since she finished dental school.

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Dr. Layne's family includes her husband Phil, son Mason, daughter Jayden, and dog Tucker. When not at work, Dr. Layne enjoys cheering on her teenagers at various rinks and fields across MN. She also enjoys spending time at the lake with family and catching up on her favorite shows.

Dr. Brent Deragisch grew up in Sioux Falls SD and Eagan Mn. He graduated from Eagan High School in 1996. He attended St Cloud State University and received a degree in Biomedical Science in 2000. He attended the University of Minnesota Dental School and graduated in 2004.  Upon graduation from dental school, he worked in the Twin Cities at two private practices and joined Northway Dental Associates in 2005.

Dr. Deragisch’s family includes his wife Tina, daughter Kendra and sons Preston and Grayson. He enjoys spending time with his family, chasing his kids with all their activities, yard work and watching hockey. 

Dr. Amanda Sperl is a native of St. Cloud. She attended Cathedral High School and graduated from the College of St. Benedict, earning a degree in Biology. Dr. Sperl received her Doctor of Dental Surgery degree from the University of Minnesota School of Dentistry, where she graduated as a member of Omicron Kappa Upsilon Dental Honor Society and received the J. Raymond Gill Award for Outstanding Achievement in Clinical Prosthodontics. Dr. Sperl is dedicated to providing her patients with personalized, gentle and comprehensive dental care.

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Dr. Sperl’s family includes her husband Adam and daughters Olivia and Eleanor. Outside of work she enjoys gardening, traveling, and spending time with her family.

Dr. Bethany Blonigen grew up in Clearwater, Minnesota, attending school in St. Cloud and graduating from Tech High School. She attended St. Cloud State University for her undergraduate training, where she earned a degree in Biomedical Sciences. Dr. Blonigen received her Doctor of Dental Surgery degree from the University of Minnesota School of Dentistry and joined Northway Dental Associates.
 

Dr. Bethany's family includes her husband Brady, daughters Amaya and Everlie, and dogs Kaida and Mia. She enjoys running, camping with her family, and attending her kid's activities and events.