Sierra Dental - Your Gentle Dentist in Green Bay, WI  


"We are an energetic happy team, in the state of the art highly effective, profitable, smooth flowing office. We provide comprehensive dentistry to our valued patients in a high efficient stress free environment."

Dr. Martin G. Williams and the staff at Sierra Dental are committed to building relationships with our patients that are based on trust. We offer positive dental experiences along with healthy, attractive smiles. We work closely with our Green Bay patients to help them achieve ideal oral health through an enjoyable, collaborative process.

Meet Charlie, Our Therapy Dog!

Personalized Dental Care – The Sierra Dental Approach

At our Green Bay dental practice, we understand that each of our patients is unique and have different goals and circumstances. Dr. Williams takes the time to listen carefully to your concerns and desired results. This allows him to provide personalized dental solutions and tailor your treatment plans to meet your specific needs. Our warm and friendly staff works hard to accommodate your busy schedule with convenient appointment times.

You can also expect a friendly environment at Sierra Dental. Our entire team is genuinely enthusiastic about having the opportunity to provide significant improvements to your smile and overall quality of life.

If you do not have dental insurance, click here to check out our Sierra Care membership plan for low cost options!

Our Green Bay dentist offers patients a wide variety of oral health care procedures, performed through a combination of minimally invasive techniques and state-of-the-art dental technology.

These options include:

Dr. Marty Williams: a Dentist who Cares

Dr. Marty Williams has provided compassionate dental care for Green Bay families. As the son of a dentist, he became inspired by the level of art and science required to produce long-lasting, beautiful smiles. At the core of Sierra Dental’s mission is Dr. Williams’ drive to discover and share contemporary solutions that enrich the lives of our community.

When not serving the residents of Green Bay with quality dental care, Dr. Williams enjoys spending time with his own family. Dr. Marty has a passion for competitive dancing and currently participates in the US Dancer's Cup Tour Circuit. Traveling nationwide and competing in six tournaments a year has earned him 3rd place overall!

Have Questions? Ready to Make an Appointment?

If you are in Green Bay, Howard or the surrounding areas and are ready to learn more about your treatment options, don’t hesitate to call or stop by our Riverview Drive office. Also, feel free to schedule your dental appointment online. Don’t let your oral health wait another day - contact Sierra Dental today!

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We encourage you to contact us with any questions or comments you may have. Please call our office or use the quick contact form below.

Professional Associations

Office Location

  • Green Bay
  • 2726 Riverview Dr
  • Green Bay, WI
  • 54313
  • Map & Directions
  • Call: (920) 662-1600