Summary

Dr. Anthony D. Thiessen is a native of the Sidney area and a graduate of Montana State University, Bozeman and the Oregon Health Sciences University.  He returned to Sidney as an associate in 1996 and opened his own private practice in 1999.  Dr. Thiessen established an early goal in life, utilizing information taught from his parents and grandparents, and that is to give everything in life 110%.  In pursuit of his goal he graduated High School with top honors and excelled not only in academics but sports as well.  Continuing his goal in Dental School he excelled to achieve many prestigious awards there as well.  These include the Academy of General Dentistry's Award for being the top clinician of the graduating class of 1996.  This very prestigous award was voted on by his instructors and evaluators from the academy.  During graduation he also received the award for being the top laboratory technician of his class and top honors in endodontics.  He was known for his expertise while in Dental School and currently by his patients and respected professional collegues.
Dr. Thiessen's passion is to provide patient's with the area's most advanced dental health care in a comfortable, relaxed environment.  Many years later, he continues to improve his education, equipment and office environment in order to provide that quality of care.
Dr. Thiessen is a profectionist and his patients, family and friends will attest to that.  He is an artist and an architect at heart and knew that he possessed the innate talent to design and develop smiles that were not only beautiful, but also healthy and comfortable for his patients.
Dr. Thiessen has taken numerous courses at the most prestigous Las Vegas Institute for Advanced Dental Studies (LVI), and has taken numerous other courses all over the USA.  Dr. Thiessen's thirst for continuing education for himself is unrivaled.  He is a member of the American Dental Association and the Montana Dental Association.  He also takes great pride to be a very active member in the International Association of Orthodontics and the American Academy of Craniofacial Pain.  He typically completes between 100 and 200 hours of continuing dental education each year.
Dr. Thiessen resides in Sidney and loves the great outdoors and sports of all kinds.  He is a very involved father and can often be found spending time with his children and family.  He has a passion for health and fitness and has goals to compete in a triathlon some day.   
Read More Read less

Quick Facts

  • accepting new patients
  • 2 insurance plans accepted
  • 1 specialty
  • 8 areas of expertise
  • 1 office location
  • Male

Office Location

Healthy Smiles Dental Group

203 2nd Ave SWSidney, MT 59270
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 2:00 pm
SatClosed
SunClosed

Compare with Similar Providers

Dr. Anthony D Thiessen, DDS
Dr Michael Sigler, DDS
Dr Lola Colbert, DDS
Dr Derek Weigand, DMD
Dr. Anthony D Thiessen, DDSDr Michael Sigler, DDSDr Lola Colbert, DDSDr Derek Weigand, DMD
DentistryDentistryDentistryDentistry
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.7 
40 Years of Experience 23 Years of Experience 13 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, English Speaks Spanish, English Speaks Spanish, English
Sidney , MTWest Des Moines , IAMidvale , UTJuneau , AK
Med School: University of Missouri Med School: University of Detroit Mercy School of Dentistry Med School: Midwestern School of Dental Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Anthony D Thiessen

  • Blue Cross Blue Shield
  • UnitedHealthcare

Medical Specialties

Dr. Anthony D Thiessen has the following specialty

Specialty Expertise

Dr. Anthony D Thiessen has the following 8 areas of expertise

  • Cavity
  • Cleaning
  • Crown
  • Dental Check-up
  • Extraction
  • Filling
  • Root Canal
  • Veneers

Certifications, License, & Education

MEDICAL LICENSE

Doctor Of Dental Surgery, Montana, 2026, Expired

Similar dentists

Frequently Asked Questions

Where is Dr. Anthony Thiessen's office located?
Dr. Anthony Thiessen's office is located at 203 2nd Ave SW, Sidney, MT, 59270.
Does Dr. Anthony Thiessen accept virtual/telehealth appointments?
Dr. Anthony Thiessen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Anthony Thiessen accept my insurance?
You can see the insurance plans that Dr. Anthony Thiessen accepts on their Vitals profile.
Is Dr. Anthony Thiessen accepting new patients?
Dr. Anthony Thiessen is accepting new patients on Vitals. View Dr. Anthony Thiessen's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Anthony Thiessen?
You can find contact information for Dr. Anthony Thiessen here on Vitals.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.