Tammy Longnecker ~ Scheduling Coordinator

Tammy was born and raised in Carrington, ND. She graduated from Valley City State University

with an Associate Business Degree. She lives in New Rockford with her husband, Corey. In her spare time, she likes camping, reading and cooking.

Allison Pfeiffer ~ Dental Hygienist

Allison was born and raised in Sheyenne, ND. She joined the team at James River Dentistry in May of 2010, after graduating from NDSCS in Wahpeton with a certificate in Dental Assisting & Associates degree in Dental Hygiene. She lives in rural New Rockford with her husband Matt and sons, Jase and Cooper In her spare time, she enjoys spending time with her family and friends and being outdoors.

Beth Belquist ~ Office Manager

Beth started with James River Dentistry as a dental assistant in June 2006 and is now the Office Manager. She was raised in Sheyenne, ND and currently lives in New Rockford with her husband Elliott and their three children: Bo, Kelsie and Emmie. When not at work, Beth enjoys time with her family, friends, ladies' night and attending any sporting event.

Dr. Amy Ellingson

Dr. Ellingson, a Grand Forks, ND native, attended both the University of North Dakota and the the University of Minnesota School of Dentistry, where she graduated with her DDS in 2013. She enjoys building relationships with her patients & helping them to feel better about their smile. Dr. Ellingson is a member of the American Dental Association and the North Dakota Dental Association She enjoys going to continuing education and learning new techniques to treat patients. Amy lives in town with her husband, Noah and her son, Soren. Dr. Ellingson loves to watch UND sports, and enjoys cooking, traveling and being active.

Dr. Robert Cudworth

Dr. Cudworth, a University of Minnesota School of Dentistry graduate, has been practicing since 2003, when he joined James River Dentistry. Originally from Sheyenne, ND, Dr. Cudworth attended Jamestown College before heading to Minnesota. He actively participates in continuing education, keeping up-to-date with the latest dental techniques and is a member of the American Dental Association & the North Dakota Dental Association. Robert enjoys spending time with his wife Amy and their four children, Mya, Keaton, Logan and Dylan. In his spare time, you can find him golfing, hunting, and watching sports.

Kendra Leibfried ~ Registered Dental Assistant

Kendra joined the James River Dentistry team in the fall of 2021. She earned her degree from MSCTC in Moorhead, MN and has been practicing as a Registered Dental Assistant since 2018. She has been enjoying getting to know the community of New Rockford and loves spending time with friends, family and her golden retriever, Eddie.

Tracy Allmaras ~ Dental Hygienist

Tracy was born and raised in New Rockford, ND. She graduated from NDSCS in Wahpeton in 2011 with an Associates Degree in Dental Hygiene and joined the James River Dentistry team that same year. She enjoys getting to know her patients and helping them maintain their healthy smiles. Tracy along with her husband Michael, and children, Asher, Jersey and Crew lives in rural New Rockford. In her spare time, she enjoys spending time with family & friends, being outdoors and cooking.

Call Us: (701) 947-2354

Jane Tweed ~ Registered Dental Assistant

Jane has been in the dental field as a Registered Dental Assistant for over thirty years. She joined the James River Dentistry team in 2004. Jane lives in rural Tolna with her husband, Grant. She has two grown sons, a wonderful daughter in law and is a proud grandma to triplet boys. She enjoys spending time with her family and friends and being outdoors.

Merritt Engels ~ Registered Dental Assistant

Merritt began dental assisting more than thirty years ago at James River Dentistry & continues to enjoy getting to know each patient. Family and lake time are her passion. Creating photo albums and quilting are her hobbies. Merritt and her husband Joe have two grown sons.

Leah Bortz ~ Registered Dental Assistant

Leah is originally from Kansas and moved to Carrington in 2014. She started dental assisting in 2016 and joined the James River Dentistry team in 2019. She enjoys spending time with her family and friends, camping and hanging out at the lake.

Alexis Irmen ~ Qualified Dental Assistant

Alexis was born and raised in New Rockford. She started her career at James River Dentistry in 2020. She lives in New Rockford with her fiance, Craig, two dogs, Bear and Tundra and cat, River. Alexis enjoys fishing, riding bikes and game nights with family.