Meet the Dentists

We’ve been doing this for over 40 years.

Now that’s a lot of smiles!

You can say we’re a little crazy…


Meet The Dentists

Welcome to Our Practice!

Here at Children’s Dentistry, we are dedicated to providing the highest quality care in a fun, kid-oriented environment. We have been in Westminster for over 40 years. We develop warm, caring relationships with children, teens and their parents.

Nelle V. Barr, D.M.D.  (Dr. Nelle)


“Dr. Nelle is so nice to me when I come in!!! And a great dentist (: ” – Heather (patient, age 12)

Dr. Nelle knows that she has the best job in the whole world! She enjoys working with children, helping children and carrying on the family tradition. Her father and her great grandfather were both dentists, and now she and her sister, Dr. Betty, are both pediatric dentists.

Dr. Nelle was born and raised in Kentucky. She moved to Colorado in 1993. She and her husband, Larry, both enjoy biking, bird hunting and snow skiing. They are pet crazy and have three dogs and one cat. Dr. Nelle is an avid Rockies fan and, of course, a HUGE UK basketball fan.

Dr. Nelle received her dental degree and her pediatric dental certificate from the University of Kentucky. She is a Board Certified Pediatric Dentist. She is a past president of the Adams County Dental Society and the Colorado Academy of Pediatric Dentists. Dr. Nelle was a chairperson of RMDC 2014 and a past president of the Metro Denver Dental Foundation. In 2019 she will be the third female president of the Metro Denver Dental Society.


Sean Whalen, D.D.S.  (Dr. Sean)


“Dr. Whalen is very nice and lets me watch movies!” – Cody (patient, age 7)

Dr. Sean Whalen was born and raised in Eastern Iowa. He and his wife fell in love with Colorado after being married in Glenwood Springs and now consider Colorado their home. Dr. Sean attended the University of Iowa for dental school and his advanced training in pediatric dentistry. He has been part of Children’s Dentistry for over a decade

Dr. Sean is active in the Colorado Dental Association and the American Academy of Pediatric Dentistry; he is Board Certified in Pediatric Dentistry. Although Dr. Sean now considers Denver his permanent home, he will always be an avid Iowa Hawkeye fan. Dr. Sean and his wife, Brandy, live in Denver and enjoy an active lifestyle. Dr. Sean and his wife have three boys: Ewan, Holden and Emmett.


Stacy Jackson, D.D.S.  (Dr. Stacy)


Dr. Stacy was born and raised in Topeka, KS. She attended Kansas State University and is an avid Wildcat fan. Upon completing dental school at UMKC in 2010, she moved to Jefferson City, MO where she worked in public health for four years. Here, she discovered her passion for working with children. In June 2014, Dr. Stacy moved to Denver after being accepted into the pediatric dental residency at the Children’s Hospital Colorado in Aurora. She recently completed this program in June 2016, serving her last year as the chief resident.

Dr. Stacy enjoys the beautiful Colorado weather and blue skies. She enjoys skiing, hiking, and being outdoors. When she has time, she gets back to as many Wildcat and St. Louis Cardinals games as she can. She looks forward to meeting and working closely with everyone in the Children’s Dentistry family.


Dr. Darby Hammond Barfield (Dr. Darby)


Dr. Darby attended the University of California at Berkeley for undergrad. She went to the University of Connecticut for Dental School and finished her residency in Pediatric Dentistry at The Children’s Hospital in Denver Colorado. She has been an attending professor at the University of Colorado Dental School and the residency program at The Children’s Hospital. Dr. Darby has served as Dental Director for Dental Aid and donated time to Cavity Free at 3 and give kids a smile. She has made two medical mission trips to Peru and Mexico

She enjoys the outdoors, jogging, skiing, hiking, camping and spending time with her husband and two young children.

Dr. Mike Scheidt (Dr. Mike)

Dr.Mike Pic

Dr. Mike Scheidt is a native Hoosier, graduating from Indiana University School of Dentistry and receiving his specialty training in Periodontics at Walter Reed Army Medical Center. He is a Board Certified Periodontist, practicing dentistry for 46 years and in his specialty for 40 years. Dr. Mike has taught Periodontics in multiple residency programs over the years and loves to talk about gums. He has been on the board of the Metropolitan Denver Dental Society since 1999 and served as President in 2010. He and his wife Kathryn have 4 grandchildren to which they cannot devote enough time. He likes to cycle and talk to people who like to fish.

Elizabeth S. Barr, D.M.D.  (Dr. Betty)

Meet The Dentists

“Dr. Betty is so nice and gentle with kids like me. She tells you what she is going to do. She is the best dentist!” – Karibe (patient, age 10)

Dr. Betty started Children’s Dentistry in 1977, even though she recently retired, she will remain apart of our family. She graduated from the University of Kentucky College of Dentistry and decided to continue her commitment to children by completing the post-doctoral program in pediatric dentistry at UK in 1976. She moved to Colorado in 1977 and started this practice, Children’s Dentistry.

She is Board Certified in Pediatric Dentistry and has been recognized as a Fellow of the American College of Dentists, honorary membership in Omicron Kappa Upsilon and elected as Director of the American Board of Pediatric Dentistry from 1989–1996. She has numerous publications in dental journals.

Dr. Betty and her husband, Dr. Don Kleier, are active in the outdoors. They love to bike, backpack, fly fish and backcountry ski. They also love UK Wildcat basketball.



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