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Make Our Office Their Happy Place

We know what it feels like to worry about your child’s oral health and not know what to do about it. You want your child to be healthy and happy, and you want a pediatric dentist near you who can help you do that, not create more headaches.


At Greeley Kids Dental & Orthodontic, we get it.

As parents ourselves, we know what it’s like to want the best for your kids. For almost 20 years, we’ve helped parents and children in the Greeley, Colorado area, just like you, overcome their concerns and get the quality child’s dental care they deserve. Together, we can protect your child’s health and instead set them up for a confident life with a happy, healthy smile.

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The Greeley Kids Dental pediatric dental care process is simple:

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Get to know you

Your kids are unique! We’ll listen to your concerns and help your kiddos feel safe and have FUN--no perfect behavior required.

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Take Proactive Action

We’ll check in with you every six months to monitor your child’s oral health. If they need a specific dental treatment or orthodontic care, we often can address it the same day.

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Enjoy a lifetime of excellent oral health

We’ll help your child enter life equipped with the confidence, good habits, and motivation they need to stay healthy.

We believe all children deserve personalized dental care from experts who treat them like family.

Together, we can take proactive steps to protect your child’s oral health so that they can enjoy a healthy smile for life.

Meet the Greeley Kids Dental Team

Your Pediatric Dental Team In Greeley, Colorado

Dr. Keith A. Van Tassell, D.D.S.

Dr Keith is a Board Certified Pediatric Dentist. He dedicates himself to providing the best dental care possible for his patients, ensuring that they have a positive and fun experience while learning to care for their own oral health. Graduating Magna Cum Laude from the Virginia Commonwealth University School of Dentistry, he then attended the University of Nevada School of Medicine for a two year pediatric dental residency.

Dr. Keith, his wife, and their five children enjoy spending time together outdoors and being a part of the Fort Collins community.

Memberships and Professional Associations:

  • Diplomate American Board of Pediatric Dentistry
  • American Academy of Pediatric Dentistry
  • Colorado Dental Association
  • Larimer County Dental Society
  • Harmony Surgery Center

Dr. Zachary Alleman, D.D.S.

Pediatric dentistry is a perfect fit for Dr. Zach, who has always been surrounded by children. He is the fifth of eight children, father of two, and uncle to 25 nieces and nephews. He loves providing quality and fun treatment to ensure each child gets off to a terrific start with their oral health. Dr. Zach received his dental training at Baylor College of Dentistry, where he also completed his residency in Pediatric Dentistry.

Dr. Zach loves to read, play sports, and spend time outdoors with his family.

Memberships and Professional Associations:

  • Diplomate American Board of Pediatric Dentistry
  • American Academy of Pediatric Dentistry
  • Colorado Dental Association
  • Larimer County Dental Society
  • Harmony Surgery Center

Dr. Moira Groh, D.D.S.

Dr. Moira is a Board Certified Pediatric Dentist. She loves helping kids and parents learn about dental health in a fun and approachable way and strives to make every visit as fun and interactive as possible. After receiving her Doctorate of Dental Surgery at the University of Nebraska Medical Center College of Dentistry, Dr. Moira completed a General Practice Residency at Brookdale University Hospital and a Pediatric Dental Residency at Mount Sinai Hospital in New York City.

Dr. Moira likes to travel, try new foods, and spend time with her husband and their charcoal labrador.

Memberships and Professional Associations:

  • Diplomate American Board of Pediatric Dentistry
  • American Academy of Pediatric Dentistry
  • Southwest Society of Pediatric Dentistry
  • Colorado Dental Association
  • Larimer County Dental Society
  • Harmony Surgery Center

Dr. Craig Seager, D.D.S, M.S.D.

Dr. Craig Seager is an orthodontist with extensive training in both adolescent and adult orthodontic diagnosis and treatment. Other areas of his training have included Invisalign®, 3D imaging, growth analysis, and TMJ therapy. Dr. Seager is also fluent in Spanish! Dr. Seager received his D.D.S. from the University of Texas Health Science Center in San Antonio and his M.S.D. from University of Texas Health Science Center in Houston.

Dr. Seager enjoys skiing, running, fly fishing, and camping with his wife and three daughters.

Memberships and Professional Associations:

  • Diplomate American Board of Pediatric Dentistry
  • American Academy of Pediatric Dentistry
  • Colorado Dental Association
  • University of Colorado Health Cleft Palate Team

Jared Error, D.M.D., M.S.

Dr. Error enjoys straightening teeth and improving smiles, but most importantly, he really loves his patients! He deliberately tries to treat each one as if they were family, and provide them with the best possible care. Dr. Error completed his dental, orthodontic and masters of business administration training at Roseman University of Health Sciences in Utah and Nevada.

Dr. Error enjoys spending time with his wife and four children, playing piano, and playing basketball. He is also fluent in Spanish.


Greeley Kids Pediatric Dental & Orthodontic Team 

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Admin Team

Kiana

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Mireya

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Dental Assistants

Nezzie

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Ruby

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Ailyn

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Bianca

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Odalis

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Orthodontic Team

Karelly

Our Location

Hours of Operation

Monday
8:00 am - 4:00 pm
Tuesday
8:00 am - 4:00 pm
Wednesday
8:00 am - 4:00 pm
Thursday
8:00 am - 4:00 pm
Friday
8:00 am - 4:00 pm
Saturday
Closed
Sunday
Closed