Our Team

You’re in good hands at Espire Dental. Our team of passionate professionals is committed to making you smile – their quality of care and service is unparalleled.

Dr. Andrew Waring


Casper, WY  

Meet Dr. Andrew Waring, a skilled and kindhearted dentist who has been proudly serving the Casper community for over a decade! Dr. Waring holds a Bachelor of Science from the University of Wyoming (Go Cowboys!) and graduated magna cum laude from the University of Colorado School of Dental Medicine. He is committed to staying up to date on the latest techniques and technology through dental meetings, seminars, and lectures. At Espire Dental in Casper, Dr. Waring strives to provide exceptional dental care with a focus on building relationships and trust with his patients. For him, dentistry is more than just…

Dr. Colton Allen


Casper, WY  

Dr. Colton Allen is a Wyoming native, golf enthusiast, and enjoys being “head chef” in his own kitchen. After graduating summa cum laude from Davis and Elkins College with a degree in Biology, Dr. Colton attended dental school at the University of Nebraska Medical Center College of Dentistry. Following dental school, Dr. Colton was accepted into the Advanced Education in General Dentistry (AEGD) Residency Program at the East Carolina University School of Dental Medicine, a clinically and academically rigorous program designed to give dentists advanced training in comprehensive oral health care, where he graduated with honors.   In residency, Dr.…

Dr. Dale Lazar


Cheyenne, WY  

Meet Dr. Lazar! Born and raised in Virginia, Dr. Lazar attended the prestigious Old Dominion university where he earned his Bachelor of Science degree, graduating Magna Cum Laude. He then went on to achieve his Doctor of Dental Surgery (D.D.S.) degree from the Medical College of Virginia at Virginia Commonwealth University. He is proud to serve the Cheyenne community with exceptional dental care through a personalized, comprehensive approach. With over 25 years of experience in owning and managing successful private practices, Dr. Lazar has advanced clinical skills that range from complex restorative procedures to orthodontics to implant placement and restoration. But…

Dr. Larissa Tolley


Casper, WY  

Dr. Larissa Tolley is the "creative" dentist with a heart of gold! She loves to organize, make digital scrapbooks, and is not-so-secretly addicted to Shutterfly. Born just south of the border in Colorado, Dr. Larissa attended undergrad at Colorado College before receiving her dental degree at the University of Colorado School of Dental Medicine. Here, she received the "Outstanding Achievement in Operative Dentistry" award and the “Advanced Clinical Training and Service Program" award—the latter of which is presented to the senior dental student demonstrating outstanding commitment to underserved people in the community.   After completing a General Practice Residency Certificate…

Dr. Mariah Allen


Casper, WY  

Dr. Mariah Allen is a self-proclaimed professional taste tester, especially when it comes to dark chocolate and homemade ice cream. Okay…maybe not professional—she just really loves trying anything her husband creates in the kitchen! In her professional life, she is a compassionate dentist who strives to provide high-quality, stress-free dental care to her patients. Dr. Mariah grew up in rural Nebraska and received her degree in Business Administration from the University of Nebraska. After college, she stayed close to home and attended dental school at the University of Nebraska Medical Center College of Dentistry where she graduated with the highest distinction at the top…

Nolan Jeffries

Dr. Nolan Jeffres


Cheyenne, WY  

We welcome you to meet Dr. Nolan Jeffres – an avid hunter and golfer, Harry Potter fanatic, and Wyoming native! Dr. Nolan earned his Bachelor of Science in Microbiology and Molecular Biology from the University of Wyoming (GO POKES!). He then went on to receive his Doctor of Dental Surgery (DDS) degree from the University of Nebraska Medical Center – College of Dentistry (GO HUSKERS!). Dr. Nolan has taken extensive continuing education courses and has a wide range of knowledge when it comes to personalized treatment planning for every patient’s needs. From restorative procedures like fillings, crowns and bridges, to…

Live Virtual Appointments - Now Available!

We now offer virtual appointments on your smart phone, tablet or computer. This is a great way to connect with your doctor without coming into our office. A virtual consult is perfect for learning your cosmetic options, a quick follow up on treatment that was recently completed and even some of your orthodontic visits. Connect with your dentist from the comfort of home!

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