Appointment Hours:
Monday: 7 a.m.-3 p.m.
Tuesday: 7 a.m.-3 p.m.
Wednesday: 7 a.m.-3 p.m.
Thursday: 7 a.m.-3 p.m.
Friday-Sunday: Closed
New Patients
We look forward to making you part of the Green Lake family! To save time at your first appointment, please fill out our new patient information sheet.
About Us
Are you looking for experienced, affordable dental services for the whole family? Green Lake Dental is the place for you. We are a proud, Wisconsin family team serving patients in Markesan and nearby communities with top-quality family dentistry, sedation dentistry, and many other services. We treat our patients like family, and want to be the dental office you turn to for life.
Wondering if Green Lake Dental is right for you? Give us a call with questions today or stop by our office to meet our team. Need more convincing? We bake fresh chocolate chip cookies in the office every day!
Dr. Kevin Castleberry
Wife Amanda, Daughter Johnnie, Sons Elijah, Nolan & Parker
We support Green Lake & the Chamber of Commerce where Dr. Castleberry serves as the Vice President of the Chamber.
A dentist you can trust with your smile…
At Green Lake Dental, we treat our patients with the same care we would provide to our own families. In addition to our passion for high-quality Family Dentistry, we provide the Markesan community with a variety of dental services including teeth whitening, dental implants, and more.
- Root canals
- Dentures
- Emergency dentistry
- Cosmetic dentistry
- Crowns
- Bridges
- Xrays
Commonly Visited Pages
NO INSURANCE? NO PROBLEM
What Our Patients Have To Say…
Green Lake Dental and Dr. Castleberry are the best! They work hard to make sure your visit is comfortable and they do quality work!
I am a happy Green Lake Dental patient! The staff is warm, friendly and capable, just what one looks for in a dental office.
I was so impressed with the Dental office, Dr. Castleberry, the staff and the care that I received I actually have transferred all my records from Madison to Green Lake Dental.
I’m a big fan of Dr. Castleberry! He was my dentist when I was stationed at Ft. Campbell, KY and has been my best dentist in my 8 years in the army.
Dr. Castleberry explained every procedure that that was done. Questions were answered and I felt very satisfied with his work.
I worked with Dr. Castleberry for 4 years while we were both serving in the Army as dentists. As patients can usually judge character fairly well, I am confident you will find Dr. Castleberry to be personable and trustworthy. He will would never be the type to overcharge or overtreat.
I highly recommend Dr. Castleberry! He is very knowledgeable and takes the time to explain everything in detail and to make you feel as comfortable as possible. From the moment you walk in, you can expect excellent care in a relaxed atmosphere. He truly is going to be an asset to the Green Lake community!
He is a professional, well rounded dentist. He cares about his patients and will deliver quality dental care to people in the Green Lake community.
As a dentist, one of the ultimate compliments you can receive is having a fellow dentist state that they would trust you to work on their friends and family with no reservations. I can say that Dr. Castleberry has more than earned that compliment from myself.
Dr. Castleberry is a wonderful dentist. I have been his colleague for nearly a decade and have reviewed his work first hand. I highly recommend that you visit Dr. Castleberry if you are within 60 miles (or more!) of Green Lake, Wisconsin.
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Definitely would recommend Green Lake Dental!!!! What a welcoming, nonjudgmental, sensitive, and caring environment!!! I went in embarrassed as I was very overdue for a cleaning and left with peace... read more
Lynsi Wiles
What a great place! The staff was so friendly! The hygienist was so gentle and explained everything! My teeth felt so clean and did not hurt after the cleaning! You... read more
Amy Morgan
I enjoyed meeting Dr. Castleberry! He had a good bedside manner, and communicated well.
Ronda Mocco
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Excellent experience!
Erin Maguire
Amazing! I was really impressed! The office was up to date using very updated tech, they have with a very pleasant and responsive staff and dentist Dr. Castleberry seemed topnotch.
Jennifer Knickerbocker
This was a friendly and professional staff and I was treated like a star!!!
Kay Nell
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What a pleasant office and experience for my first cleaning since I had to find a new dentist! Would not hesitate to recommend at this time!
Kim Zills
Great place to go. I made the switch from dental associates. This place makes you feel like family. Highly recommend to anyone looking for quality care.
Ryan Bamberg
Very good first time visit. Friendly and knowledgeable:)
Suzanne Koch
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I have been going to Green Lake Dental for about five years and have never had a negative experience. The assistants are thorough and professional and Kevin always is very... read more
Laird DeCramer
I’m a new patient at this practice and I’ve been really happy so far. Great front office (including keeping me on a list for cancelations and then fitting me in... read more
Caitlin Cody
I went here for the first time and from the time I walked through the door to the time I left I felt at ease.This coming from someone with major... read more
Rosie Gillett
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I hadn't seen a dentist in several years due to a bad experience. Dr Castleberry and his staff made me feel welcome and comfortable. After my first appointment for x-rays,... read more
Susan Hill
Everyone at Green Lake Dental is very nice. They go out of there way to be helpful. Claire has cleaned my teeth for many years. She... read more
Deb Trost
On my first visit, I immediately felt comfortable with the wonderful staff, and Dr. Castleberry is the best. I'd recommend him to everyone. He's not just personable and... read more
Carole DeCramer
Request an Appointment
Fill out the form below to schedule an appointment.
Note: If you are a new patient, be sure to also fill out the New Patient Forms, by clicking here.
