Let Us Introduce Ourselves

The dental practice team is proud to provide you with expert consultation and treatment. We are a small caring practice. We build relationships with our patients and in most cases, develop lifelong friendships.

Dr. Nial S. Peterson

A 1975 graduate of Cedarburg High School, Dr. Peterson earned a B.S. degree in Biology from Carroll College in Waukesha, Wisconsin. In 1984 he earned a D.D.S. (Doctor of Dental Surgery) degree from Marquette University School Of Dentistry. He began practicing with his father in 1984. Since his father's retirement in 1987, Dr.Nial has maintained a solo practice in our current office as a general dentist.

Karen Peterson, Dr. Nial's wife, is a Registered Dental Hygienist who provides dental care in our office. Their lives have been blessed with three daughters,   Bree, Baily and Bryka.

In his leisure time, Dr. Nial enjoys family time as well as fishing, hunting, and all outdoor activities. Dr.Nial is a life-long resident of Cedarburg.

Karen Peterson


 A  1984  graduate  of  Marquette  University,  Karen  earned  a  Bachelor  of  Science  in  dental hygiene, and  has  provided  dental  care  in  Dr.Nial's  office  since  their  marriage  in  1986.


 Karen  enjoys  spending  time  with  her  three  daughters  and  family,  horseback riding,  traveling,  reading,  and  spending  time  in  the  outdoors.  

Dana Moran

Dana Moran works with the Dr. Nial Peterson Staff as the office and dental building manager.  She has been working with Dr. Nial Peterson for 21 years. 


Dana and her husband Mike enjoy family, friends, and gardening and home improvement projects.  Dana also loves to sew, read, and take in good movies.  Her most favorite time is spent being Grandma to her 7 beautiful grandchildren!  If you need an expert on Disney, talk to Dana!!  She has been to see the "Mouse" 36 times, in Orlando, and was recently crowned "Grand Marshal" for the famous Magic Kingdom Parade!!




Kim Anderson


Kim Anderson has worked with Dr. Nial Peterson as his dental assistant for the past 13 years.  She manages all aspects of assisting, dental supplies, vital teeth bleaching, and front office backup. 


Kim enjoys spending time with her two daughters, family, & friends; but most of all loves to play and care for her grandson, Haydon!  He is the light in her and her husband Al's lives!  Kim also enjoys going out for dinner, movies, shopping, and caring for those around her.

Anna Sapozhnikov


Anna has worked as a registered dental hygienist for Dr. Nial since 2003. Anna says her goal as a dental hygienist is to provide her patients with the best customized care plan and wants to stay on the cutting edge of new developments in the hygiene world.


Ana was born in Belarus and lived there for the first 25 years of her life before immigrating to the United States in 1996.  Anna enjoys spending time with her friends and family during her time away from the office. She and her husband have two two children, ages five and twelve, and have a black lab mix named Archie.  

SueEllen Caughlin

SueEllen is a registered dental hygienist practicing with Dr. Nial Peterson for the past 14 years.  She is very dedicated to patients overall oral health and caring for their dental needs. 


When she is not working, SueEllen enjoys being outdoors biking, running, hiking, traveling, and almost any adventure she can get her hands on! She is an amazing athlete, having done many competitions, but mostly doing them to raise money and awareness for the Leukemia/Lymphoma Society, or to help others in need!  SueEllen also enjoys her family, golf, and time out with friends and her husband Tom.