Patient Reviews

We strive to provide the best possible care and service for our patients. Please leave a review to let us know how we are doing and to share your experience with others.

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Read what other patients have said about us:

Tia T, Highlands Ranch

Dr. Sierk and his team are great. My kids love to go every time!


Bryana M, Lone Tree

I am so thankful to have found Dr. Sierk and his staff. All three of my kiddos were seen at the same time and I was amazed at the patience, ease, kindness and personal care they showed each of my children on an individual basis. I walked away from our appointment encouraged and elated over how well it all went. Thank you Sierk Dentisty for taking such good care of us!


Karissa K. , Parker

We love Dr. Jon & his team! He is so patient with my 3 children when they were nervous about having dental work done. He explained everything he was going to do before he did it. They felt very at ease and were given pelntly of time to ask their questions. The whole team is wonderful & we’d whole heartedly recommend them!


Kara, Littleton

All around an awesome experience!!


Sarah R. , Highlands Ranch

We have been going to Dr. Sierk for close to 6 years. We couldn’t be happier with this practice. My 8 yr old daughter had to have 2 baby teeth pulled today and they made it so easy. She and I were both very nervous but we were taken back to get started immediately (no waiting=less time to get scared!) and she felt no pain. They are always prompt and kind whenever we go in for general cleanings. My kids love going to the dentist! Thank you all for making this a wonderful experience for them!


Kristin M , Lone tree

Great staff. Wonderful experience for my daughter! Thank you so much for taking the time to explain things to her.


Phil G, Castle Rock

Always a great experience



Office Location

  • Highlands Ranch
  • 6660 Timberline Rd #240
  • Highlands Ranch, CO
  • 80130
  • Map & Directions
  • Call: (303) 865-4066
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