Welcome to Our Practice

Welcome to G T Tupper, Your Dentist in Lynden, WA

G T Tupper dentists welcome you to our website! At G T Tupper our philosophy is to provide treatment to the whole person - with a special focus on how your teeth and gums relate to your total body health. We want you to be confident that your smile achieves your goals for comfort, function and appearance. We're here to make that happen.

We also understand that choosing a dentist is an important decision. After all, your smile is your greatest asset and says a lot about your overall health. From the moment you walk in the door, you'll be welcomed by a caring staff in a relaxed, stress-free environment where the whole family can feel at ease.

G T Tupper offers a full range of general & cosmetic dental treatments at our office to help you achieve your perfect smile, such as teeth whitening, crowns, preventive care or implants. We utilize the latest in dental technology and techniques in order to offer you the best preventive care and treatment available in Lynden.

To learn more about our comprehensive service offering, talented Lynden dentists and office procedures, take a few moments to look over the informative pages on our website. For additional information, you can always contact our office by calling or stopping in.

Relax with confidence at G T Tupper. We're your neighbors and we're here to help you maximize the health of your smile.


What Our Clients Say About Us

  • "The staff is always friendly and works very efficiently. I never have to wait and Dr. Tupper is very good at explaining what's going on with my teeth. I don't even mind going twice a year."
    Linn T.
  • "Friendly dentist & staff. Convenient location in Lynden. No nonsense dentistry, honest & sincere"
    Debi S.
  • "Phenomenal service! Skilled and courteous."
    Kelly F.

Meet Our Staff

Learn Who We Are

  • Dr.
    Geoffrey Tupper

    Bio coming soon.

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Our Location

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Hours of Operation

Our Regular Schedule


8:00 am-5:00 pm


7:00 am-5:00 pm


8:00 am-5:00 pm


7:00 am-2:00 pm