Dr. Ken Allen

Dr. Ken Allen has been a top dentist providing incredible patient care to the Fort Collins community for over 20 years! He also speaks fluent Spanish and Portuguese, which comes in handy when he serves on humanitarian missions dedicated to providing dental care to underserved international communities. Dr. Ken graduated from the University of Pacific School of Dentistry in San Francisco and since then, has completed over 1,200 hours of continuing education. As a lifelong learner, he has sought out extensive training in TMJ disorders, biting relationships, dental rehabilitation and dental treatments for sleep apnea. Dr. Ken is a Fellow of the Academy of General Dentistry: an achievement earned by only 5% of dentists in the United States. FIVE! He has also been voted one of 5280 Magazine’s Top Dentists for 14 years in a row. His meticulous nature makes him an excellent cosmetic and restorative dentist…and also helps him in his love for organizing his recycling bin at home! Yes, that is really one of his hidden hobbies:)

Dr. Ken is also a winter enthusiast who loves driving in snowstorms, drinking hot chocolate and shhh….he still believes in Santa Claus! He enjoys spending time with his wife and six kids, especially when it involves a water fight. His claim to fame is NEVER having lost a water fight. So if you are looking for a warm and compassionate dentist who is also a TON of fun, Dr. Ken is your guy. Dr. Ken is passionate about providing an amazing experience for every patient who walks through his door and he has the extensive training and skills to back it up, creating beautiful smiles for the wonderful patients in his care.

Primary Location

Fort Collins
2117 Custer Dr.
Fort Collins, CO 80525

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Office Hours

Monday: 8:00am-5:00pm Tuesday: 7:00am-5:00pm Wednesday: 8:00am-5:00pm Thursday: 7:00am-5:00pm Friday: 8:00am-5:00pm Saturday: Closed Sunday: Closed


    General Dentist
    Cosmetic Dentist
    Sleep Apnea Treatment

Languages Spoken

English, Spanish, Portuguese

Meet Dr. Ken Allen

A Complete Dental Experience

We’re passionate about your smile and are proud to offer a full suite of the highest quality general and specialty dental services to meet your needs and exceed your expectations. Whether you’re coming in for a routine cleaning, cosmetic dentistry like veneers & teeth whitening, or are in need of crowns or dental implants…we have you covered! Along with our team’s exceptional workmanship, you’ll enjoy state of the art technology that creates fast, effective and often pain-free treatments. Your comfort and satisfaction are our top priority.


Attention, Care and Experience.

The best dentistry begins with listening to you – your needs, your concerns, and your preferences. It continues with a team of passionate professionals who truly care about you…and your smile. You get the best treatment options and exceptional outcomes from our decades of combined experience, backed by cutting edge equipment technology. And while all that’s happening, enjoy a warm blanket, noise cancelling headphones and your favorite show or movie! Let us make your dental experience enjoyable, memorable and stress-free.


Let’s schedule your visit!

Our team is standing by to schedule your appointment at a time that’s convenient for you, ensure that your questions are answered and make note of your desires and requests, prior to your appointment arrival.

Our Hours

Monday – Friday: 8am – 5pm

Our Number: 303.990.5873

You may also use the link below to request an appointment, if that’s more convenient. The Espire team looks forward to seeing your beautiful smile in our office!


Stress Free Dentistry

Let us make your dentist experience as comfortable and luxurious as possible. Would you like a warm blanket and cozy pillow? Great! Plug in our noise cancelling headphones, put your feet up and listen to your favorite tunes or watch a movie on a flat screen TV.

We are here to surprise and delight you…while we care for your beautiful smile!


Proud to be a 5280 Top Dentist 12 years in a row!