Smile more. Laugh more. Live more.
5760 Grande Market Dr.
Appleton, WI 54913
(920) 997-1557
1414 N. Taylor Dr #230
Sheboygan, WI 53081
(920) 453-5972


Dr. Chad Isken
Dr. Chad Isken

History Dr. Isken grew up in Sheboygan WI, and attended the University of Wisconsin-Green Bay for his undergraduate education. In 2007, Dr. Isken graduated near the top of his class from Marquette University and completed the Advanced Education in General Dentistry Residency at Marquette in 2008. Some of the awards Dr. Isken has received at Marquette include: Milwaukee Odontological Academy for Academic Excellence and Attainment of the Highest Scholastic Average in Basic Science Courses at Marquette University School of Dentistry award in 2005, Omicron Kappa Upsilon Student Honor 2007, and The International College of Dentists award 2007. Dr. Isken has been with Northstar Dental Group since 2008. Dr. Isken is currently very active in continuing education classes which include sedation dentistry, implant dentistry, invisalign, esthetic and restorative dentistry, and endodontics. His affiliations include: Member of Wisconsin Dental Association Member of American Dental Association Member of Academy of General Dentistry Member of Doctor of Conscious Sedation Education Invisalign Certified Dentist Member of Chicago Dental Society Phi Kappa Phi Psi Omega Dr. Isken enjoys golfing, basketball, the outdoors, and rooting for the Wisconsin sports teams which include the Green Bay Packers, Milwaukee Brewers, Marquette Golden Eagles basketball team, and the Wisconsin Badgers football team.

Ann cleaning teeth

Ann has many years of dental experience. After high school, Ann attended Lakeshore Technical College, graduating with a certificate in Dental Assisting and an Associate Degree in Supervisory Management. Ann PrestonShe continued working for the next 15 years as a Dental Assistant and an OSHA Compliance Manager. Ann then received an Associate Degree in Dental Hygiene at Fox Valley Technical College. She joined the Norhtstar Dental Team in 2004 as a Registered Dental Hygienist.

Ann’s favorite part of being a Hygienist is building confidence and relationships with her patients. Being a part of the Northstar Dental Group means continually growing, learning, and working together to achieve the best oral health for our patients. Ann and her husband are also busy raising their four children.

Dental Hygienist April

April is the newest hygienist at Northstar Dental group, and is currently working in both Sheboygan and Appleton. April graduated from Fox Valley Technical College in 2009 with an Associate Degree in Dental Hygiene. She graduated with Honors, was Dental Club president, and was also a member of Phi Theta Kappa. Before becoming a Hygienist, she worked as a Dental Assistant for 4 yeApril Behnkears in a general practice in the Fox Cities. April really enjoys teaching patients about how to achieve great oral health, and also strives to give each patient individualized care to fit their needs. April is very committed to staying current in an ever changing career, and plans to take many continuing education courses to help her progress in Dental Hygiene.

Aside from her career, April practices yoga and is very committed to her daily fitness classes. April and her husband Dan live in the Appleton area and enjoy spending time with family and friends, watching movies, and dining out.

Dental Hygienist Kim

Kim graduated from Northcentral Technical College in Wausau in 1988. That year, she and her family moved to the Sheboygan area where she has been practicing Dental Hygiene ever since. Her career had included continuous full-time employment with several general Dental practices in addition to 12 years experience, working for a Periodontist one day a week.

Since 2001 Kim has worked at Northstar Dental with Dr. Pete Hehli. Kim enjoys working with her patients to help them improve their oral health. In her 21 years as a Dental Hygienist many things have changed and the Northstar team is always up to date with the latest continuing education and the newest technology.

Dental Assistant Rachel

Rachel graduated from Lakeshore Technical College in 1983 from the dental assisting program. After graduation, she worked in private practice for 2 years, and then joined a group practice for the next 21 years. Rachel has been with Northstar Dental Group since 2006. Rachel is certified in CPR and enjoys working with the doctors and staff using the newest technology while always keeping the patients at the foremost interest of the practice. She and her husband are raising their three wonderful children just north of Howards Grove on their family dairy farm.

Dental Assistant Roxanne

Roxanne graduated from Lakeshore Technical College in 1993 with a degree in Dental Assisting. She has been in the dental field for sixteen years with the past seven years with Northstar Dental Group. She enjoys working in an updated dental office with all of the newest equipment. She looks forward to seeing you and to help with all of your dental needs.

Dental Assistant Tracy

Tracy has been a Dental Assistant for 28 years. She has been employed with the Hehli family for 26 years with the past 8 years being with Northstar Dental Group. Tracy is certified in CPR and has been heavily trained for invisible braces with Invisalign. She enjoys the challenge of changing technology in the dental field. She lives with her husband John and together they enjoy bicycling and spending time with their 10 year old Soft Coated Wheaten Terrier, Lucy.

Lori at a computer

Lori graduated from LTC with an associates degree in Accounting. Lori worked in customer service prior to joining Northstar Dental in 2002 as their receptionist. Since joining the staff at Northstar Dental Lori has seen tremendous growth of the practice. We are taking continuing education courses to insure that our patients have a positive experience at each and every visit. Lori grew up in Sheboygan County her entire life and raised her 4 children in Sheboygan. Lori is also the proud grandmother of 6.

Karen at a computer

Karen has over 15 yrs of expierence in the medical and dental field. She recently joined Northstar Dental Group and has come to realize that the dental field is where her passion is. I love seeing patients walk out of our office with smiles on their faces. She lives in Howards Grove with her husaband and 2 sons. Karen enjoys spending time with friends, hitting the beach, camping in Door County and hanging out with her family.


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