Welcome to Tronsgard & Sullivan, DDS, Partnership

Dentist Fargo, ND - Tronsgard & Sullivan, DDS, Partnership | Paul J. Tronsgard, DDS & Daren T. Sullivan, DDS

Our dental practice is based on trust, integrity, commitment, service and excellence. We take great pride in keeping your visits positive. Our promise to you is that the dentistry we provide will be the highest level of quality.

To our patients: Thank you for your kind referrals. This is the greatest compliment you can give and we are grateful that you have the confidence in us to recommend our office to your family and friends.

Not only are we a leading dentist in Fargo, we are a full-service practice providing for all of your dental needs. Our services include:

Safety Practices and Sterilization Procedures

We go above and beyond the American Dental Association (ADA) and Occupational Safety and Health Administration (OSHA) recommended standards for cleanliness and safety. Before your visit, we thoroughly sanitize each room and disinfect all of our equipment in a designated sterilization area. You can rest assured that your safety and your comfort are our top priorities. We worry about the cleanliness of our office so you’ll never have to!

Patient Education

Here at Tronsgard & Sullivan, DDS, Partnership, not only are we focused on the beauty of your smile, we’re also concerned about your health. A healthy mouth can contribute to a greater quality of life and a decreased risk for serious health complications. Dental decay and disease not only wreck smiles, but can also contribute to heart attack, stroke, diabetes complications, and even dementia. Drs. Tronsgard and Sullivan along with their team want to empower you to make wise, well-informed decisions for your oral health through individual consultation and education.

We also make sure that we are well informed about your medical history, current medications, and any other factors that might affect your dental health and treatment.

Should you ever need additional information about our practice, we are always available to answer your questions. Let us care for your entire family! We look forward to meeting you.


Our office complies with the Health Insurance Portability and Accountability Act of 1996 ( HIPAA ).


Meet Our Doctors

Learn Who We Are

  • Paul J. Tronsgard, DDS

    Dr. Paul J. Tronsgard did his dental training and earned his Doctor of Dental Surgery (DDS) degree from the University of Minnesota. He is a graduate of North Dakota State University (NDSU).


  • Daren T. Sullivan, DDS

    Dr. Daren T. Sullivan is a graduate of The University of Minnesota School of Dentistry. He continues his dental education through the Heartland Study Club as well as other CE courses offered through local and national dental associations.



What Our Clients Say About Us

  • "I overheard an incredibly sweet comment from the receptionists about every customer after they had walked out the door. Madi was kinda and helpful and made the process quick and easy! Daren greeted me with a firm handshake like usual and always has something nice to say, and answered questions perfectly."
    Joseph 9/9/2019
  • "Absolutely love this place!"
    Jodi 9/5/2019
  • "Literally the friendliest dental experience I have ever had."
    Abigail 8/27/2019
  • "Highly recommend! My children actually like their dentist and that's unheard of as one of them had a bad experience before. My fears have vanished as well!! Very good at putting you at ease.Office staff is always friendly and provide an excellent client experience."
    Sandra 8/23/2019
  • "First dentist in a long time that took the time to explain things and actually gave me different options. As always though, the sticker shock can be a little overwhelming"
    Thomas 8/20/2019

Featured Articles

Read about helpful topics

  • How Long Does the Coronavirus Live on Surfaces?

    The coronavirus that causes COVID-19 mainly spreads from person to person. When someone who is infected coughs or sneezes, they send droplets containing the virus into the air. A healthy person can then breathe in those droplets. You can also catch the virus if you touch a surface or object that has ...

    Read More
  • The Power of Hand-Washing to Prevent Coronavirus

    The single most important piece of advice health experts can give to help us stay safe from COVID-19 is this one: Wash your hands. "In the final analysis, it's the hands. The hands are the connecting piece," says Elizabeth Scott, PhD. Scott co-directs the Center for Hygiene and Health in Home and Community ...

    Read More
  • Do I have COVID-19 or a cold?

    Do I have COVID-19 or a cold? If you don't have a fever and your eyes aren't itchy, it's probably the common cold, not COVID-19. Do I have COVID-19 or allergies? It's probably allergies -- not COVID-19 -- if you don't have a fever but your eyes are itchy, you're sneezing, and you have a runny nose. How ...

    Read More
  • How to Weather Social Isolation

    Social distancing has become the new normal, with one-third of Americans now under stay-at-home orders due to the coronavirus pandemic, but experts say that level of isolation can be hard on your health. "We don't know for sure what the long-term health outcomes of widespread forced social isolation ...

    Read More
  • Coronavirus: What You Need to Know

    The new coronavirus epidemic that started in Wuhan, China, in late December is now in dozens of countries, including the United States. Here are answers to key questions about the virus, including how to protect yourself and what to expect. What are the symptoms of coronavirus? According to the CDC, ...

    Read More
  • Coronavirus: Is It Safe to Get Deliveries?

    With more than 50% of the U.S. population living under stay-at-home restrictions, companies that deliver food and household goods are inundated with orders. As they scramble to meet the demand, you may wonder if ordering in puts you or the people making your deliveries at risk. The Question of Worker ...

    Read More
  • Coronavirus Myths & Facts

    As Coronavirus Myths Multiply, Experts Sort Fact From Fiction The new coronavirus continues its steady march through the U.S. population, bringing with it a second plague: potentially dangerous myths and rumors about COVID-19, spread via the internet. You may have already heard some of these coronavirus ...

    Read More
  • Avoid Coronavirus Misinformation

    A Doctor's Tips for Spotting Fake COVID-19 News As we all try to stay safe from COVID-19, arming yourself with accurate news information has never been more important – but it’s not always easy. Fake news can be challenging to recognize because there’s often a little truth mixed in with misinformation. ...

    Read More
  • Calming Your Child's Coronavirus Fears

    Schools are closing. Sports and other activities have been cancelled. Everything is changing. In the midst of this chaos, how do parents keep kids from stressing too much? "For families, this is truly now hitting home," said psychologist Robin Gurwitch, from Duke University and the Center for Child and ...

    Read More

Our Location

Find us on the map

Hours of Operation

Our Regular Schedule


7:00 am-5:00 pm


7:00 am-5:00 pm


7:00 am-5:00 pm


7:00 am-5:00 pm


8:00 am-12:00 PM