Sullivan Dentistry


Get In Touch

If you are looking for a dental office in Mukwonago, WI, come to Sullivan Dentistry – the right place that provides top-notch treatment in a relaxed, professional environment. Whether you want to replace your current dentist, just moved to the area, or haven’t visited a regular dentist in the past, we would love to have you join us here at our practice.


Monday: Closed
Tuesday: 8 AM–3 PM
Wednesday: Closed
Friday: 8AM–5 PM
Saturday: 8AM–2 PM
Sunday: Closed
Emergency Hours Accommodated


What Our Amazing Patients Say

David B
David B

Excellent service, great value, great people! Very much appreciate spending money locally with a family business.

Miles Kilpin
Miles Kilpin

Absolutely fabulous hospitality, felt like family while I was there. Dr. John was great, and Dr. David seemed great too! Highly recommend 🙂

Timothy Bast
Timothy Bast

All of their employees are very kind and friendly! I would recommend anyone looking for a dentist to switch to them.

Grace Gracey
Grace Gracey

Excellent service and excellent doctor!

Carol Tomasik
Carol Tomasik

Dr Sullivan is such a nice man and caring. The ladies that work with him are top notch. I highly recommend this dental office. Definitely does not have the assembly line feel like some other offices.

Linda Haeger
Linda Haeger

Excellent gentle care. They do their best to make all visits pain free.

Frequently Asked Questions

How do I set up an appointment with your practice?

You can easily schedule an appointment by calling our office during business hours or by using the online booking system available on our website. Our friendly staff will assist you in finding a suitable date and time.

What should I do if I need an urgent appointment?

If you have a dental emergency or need an urgent appointment, please call our office directly, and we’ll do our best to accommodate you as soon as possible. For out-of-hours emergencies, please follow the guidance provided on our answering service.

I’m a new patient. Is there any paperwork I need to fill out before my visit?

Yes, new patients typically need to fill out medical history and consent forms before their first visit. For your convenience, these forms can be downloaded from our website, allowing you to complete them in advance. Alternatively, you can arrive a few minutes early for your appointment to fill them out in our office.

Do you send out appointment reminders?

Yes, we value your time and commitment. As a courtesy, we send out appointment reminders via phone, text, or email (based on your preference) a few days before your scheduled date. If you’d like to confirm or reschedule, you can easily do so through the reminder notification.

Why do I have bad breath, and how can I treat it?

Bad breath can result from various factors, such as diet, poor oral hygiene, gum disease, or other medical conditions. Regular dental cleanings, good oral care at home, and staying hydrated can help combat bad breath. If the problem persists, consult your dentist.