Healthy Smiles Start Here

Boulder Smiles

Compassionate People, Exceptional Care.

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Blending Science and Art

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Healthy, Beautiful Smiles Start Here

Our experienced team is committed to giving you superior, personalized dental care and service. Established in 1975, our practice holds the distinction of being one of Boulder's longest-running dental practices. For decades, we've dedicated ourselves to crafting beautiful smiles, serving multiple generations of Boulder's residents with unparalleled care and expertise. Our practice is rooted in a service that is all about you, our patients.

We will take the time needed to diagnose any immediate concerns, review your past medical and dental history, and create a comprehensive, minimally invasive plan for optimal oral health. Take a look at our smile gallery to view what’s possible.

view our smile gallery

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If you have a fear of dental work

We understand and you're not alone. That's why we make an effort to provide you with high-quality dental work in a comfortable, anxiety-free environment. Don't believe us? Read what our patients have to say about the Boulder Smiles experience.

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Great Staff

Great modern interior in this architecturally historical building. Dentist chair faces a peaceful creek. Great Staff. Very up to date equipment. Best cleaning I have ever had. And most important, Dr. Alexandra Russ could not possibly be better.

- Pete V.

I Can't Believe the Results

Dr Birnbach has taken great care of me. I have recently gotten invisalign and it has been a wonderful process and I can’t believe the results. Him and the team there are all top of their field

~ Christopher G.


Wow. Dr. Russ does immaculate detail work, has a spotless office, and treats patients like family. Will never go to another dentist again.

~ George A.




Alexandria Russ, DDS

Dr. Alexandria Russ is a leading general and cosmetic dentist in Boulder, Colorado.

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Mark J. Birnbach, DMD

Dr. Mark Birnbach earned his B.A. at Queens College (CUNY), and his DMD from Tufts University

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We give back

At Boulder Smiles, we value giving back to our community and we are proud to partner with local nonprofits to support the best parts of our community. We donate a percentage of our time and money to help organizations, schools, and families in need. We believe that by supporting the growth of our community, we can create a better environment for everyone. Dr. Alexandria Russ also takes one week off annually to provide dental care to underserved communities; this past year having provided dental care to a small village in the Dominican Republic. Our office also provides an annual free dental day for local families in need.

Our nonprofit partners include: The Ronald McDonald house of Colorado, The Boulder Philharmonic, Colorado Mission of Mercy, Revive Mission, Salt and Light Coalition, Empathy Theater Project, Sweet Dome Chicago, Children's Umbrella Outreach, Eon Zen Center, and The Women's Bean Project.

If you know of an organization who can use our support, please share with us!

Dental Services

Do You Take My Insurance?

We accept any benefit plan that allows you the freedom to choose your own dentist. In fact, over 90% of our patients utilize dental insurance to help pay for their care. We are, however, not contracted with any insurance companies due to the limitations they impose on our patient's treatment options. There are tens of thousands of different dental benefit plans. Please give us a call if you need help understanding how your benefits would work at our office.

Learn More About Patient Insurance