1446 Hover St
Suite 100
Longmont, CO 80501

Mon - Thu: 8:00AM - 5:00PM

Fri: By appointment only

Sat - Sun: Closed

98.3% would refer friends and family to us

5 stars Verified customer

Appointment went very well. Hygienist was great.

5 stars Verified customer

Very friendly, efficient and professional atmosphere

5 stars Verified customer

Our family has gone to Dr. O'Brien for our dental needs for many years. We appreciate their personable service. We have been pleased with the thorough teeth cleaning and attention to the health of our teeth through the years.

5 stars Verified customer

Hygienist did a great job.

4 stars Customer since 2014

Always professional! Amanda is a great dental hygienist.

5 stars Verified customer

Amanda was wonderful. Very thorough and make several excellent suggestions.

Thank you!

5 stars Customer since 2001

The practice remains top-notch with Dr. O'Brien on the sideline. I've had great referrals from the current staff, also.

5 stars Customer since 2006

The people at this office are always amazing! They are like family!!

5 stars Customer since 2014

I was fortunate to find The Robert O'Brien Family Dentistry. I was having trouble finding a dentist office that would not only give me excellent service but was willing to handle all my insurance needs. Most offices refused to deal with multiple insurances, but at this office , I was told no problem and it hasn't been a problem. I am extremely happy using this practice.

5 stars Customer since 2014

I am very happy with the service and friendliness I consistently encounter at the dentist office.

Also in Longmont


Adventure Vision of Longmont

5 stars 16 reviews

Your kids will love our Longmont location. From our fun-filled waiting areas and treatment rooms to our welcoming staff, one visit is enough to see that we are no ordinary practice. Plus, what could be more convenient than dental, vision and orthodontic care all under one roof? Call today to schedule all your kids' check-ups in a single visit.
Read More …


Inspire Hair & Skin

5 stars 1418 reviews

Inspire salon continues to amaze me. In the face of COVID-19, they take precautions to ensure that guests and staff are safe while still providing top notch customer care. The salon is impeccably clean, every single person was wearing a mask, and they were very strict about max capacity of no. More than 10 people in the salon and less whenever possible. This salon should be the leader in how to reopen a business utilizing very strict precautions while still providing a service and an opportunity for small businesses to succeed and for professionals to make an income doing their craft. Never been prouder of this business.
Read More …