Summit Dental Group
Dillon CO

Meet the Team at Summit Dental Group

At Summit Dental Group, our entire team is dedicated to providing our patients with superior dental care. We are highly trained professionals who are proud to be working in the dental field. Great oral health is closely tied to your overall well-being, and we strive to make every treatment comfortable and efficient so you can get the important care you need. You can be sure that we will spend all the time necessary with you to answer your questions and address your concerns.


Dr. Steven Mitchell, DDS

Dr. Mitchell attended Florida State University and The University of Notre Dame for his undergraduate education and obtained his dental training at the University of Tennessee Health Science Center and the University of Memphis. He also has extensive postgraduate education, specifically selecting courses focusing on oral surgery and dental implants. His most recent training in full-mouth rehabilitation allows him to provide smile makeovers to his patients for confident, healthy, beautiful smiles. His commitment to lifelong education means he is constantly evaluating emerging dental methods and technologies in order to provide his patients with the best results in the least invasive manner with a high emphasis on comfort. This commitment ensures the highest level of care, both today and tomorrow.

A veteran, Dr. Mitchell was featured in the NY Times bestselling book on the Iraq War, The Last True Story I'll Ever Tell by John Crawford. He moved from San Antonio Texas to Summit County specifically to ski and to be a true mountain man! In his spare time Dr. Mitchell enjoys skiing, reading, painting, and fitness. 

Amy Dethlefs

Patient Relations Coordinator

Amy graduated from the University of Northern Colorado with a Bachelors of Science in Nutrition in 2015. After not finding a passion in the nutrition field she began working in the dental field. She has worked in the dental field for over 4 years handling billing, insurance, front office duties as well as a year of assisting. Her favorite part of this profession is interacting with patients and helping them understand their treatment and insurance.

Amy grew up in Evergreen, Colorado. When not in the office she enjoys hiking, snowshoeing, cooking, spending time with her two kitties (Clark and Olive), watching football (Go Broncos!), and spending time with friends and family.

Melissa Ferris

Insurance Coordinator

Melissa moved to Summit County in 1999 and grew up here until relocating to Golden in 2008. She graduated from Colorado State University with a degree in Spanish Language, Literature and Culture, then moved back to Summit County to raise her son, Quinn. She has worked with insurance companies for over 7 years, originally starting in the medical field, but is happy to have switched to dental billing. She has been working with Summit Dental Group since December 2021 and looks forward to many more years!

Melissa enjoys goofing around outside with her son, camping and going to an occasional dance or ballet class. 


Janiece | Dental Hygienist | Summit Dental Group | Dillon, CO


Dental Hygienist

Janiece is a dedicated dental professional who attended Ohio State and Sinclair Community College. She loves providing her patients with compassionate care and is happy to be part of our energetic team. Janiece aspires to excellence in all aspects of her work and is a winner of the Colorado Dental Hygiene Team Spirit.

Janiece grew up in Elyria, OH and has been with Summit Dental Group for over 35 years. She enjoys taking in the Colorado scenery while skiing and kayaking and is always up for a new challenge. When her busy schedule permits, she spends time scrapbooking.

Kristina Rykhlya


Kristina graduated in 2016 with an associate’s degree in Dental Hygiene from Ozarks Technical Community College in Missouri. She was born in Tajikistan and grew up speaking Russian. She moved to Colorado right after graduation then moved to Summit County in 2020. She has a passion for dentistry and educating her patient’s on how to attain a healthier smile.

Her and her husband have a German Pinscher named Zeus who is 5 years old. She loves to spend as much of her free time outside as she can. She loves snowboarding, mountain biking, hiking, and paddle boarding. She feels very fortunate to call Summit County her home.

Hailey Mcnichols


Hailey was raised in Kremmling, CO. After not finding her passion at Northeastern Junior College playing volleyball she decided to take a year off and move to Arizona. She got her certificate in Dental Assisting at American Institute of Dental Assisting. Hailey has been working as a dental assistant at Summit Dental Group for two years, and is planning on furthering her career to be a dental hygienist. Other than being a dental assistant, Hailey is a full time student at Colorado Mountain College working on her prerequisites for Hygiene school, as well as, working part time as a bartender at The Dean West in Kremmling.
When Hailey gets a day off she likes to spend time with her 2 year old dog, Rae, and hangout with her friends and family. She also doesn’t do a lot of outdoorsy things but when she does, she likes to hike and paddle board!

Brandi Covey


Brandi was born in Joplin, MO where she lived for 41 years. Her and her family have been coming to Summit County for vacation for the last 10 years, they fell in love with the area and decided to make the move in August 2022. Her and her husband have twin boys that are 19 and a daughter who is 15. Although new to Summit County Brandi is not new to dental assisting, she has 7 years of dental assisting experience. Her favorite part of dental assisting is helping and caring for our amazing patients. 

In Brandi's free time she enjoys biking, hiking, crafting, skiing and snowboarding. 


A Healthy smile is just a click away.
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