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. 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…

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. Jeff Gray


Dr. Jeff Gray is one of the premier dental minds in the country...and he has a need for speed! In addition to racing off-road motocross AND around the speedway in his race car, he has been providing his patients with the highest level of care as a cosmetic, implant, and sedation dentist for over 35 years! Dr. Gray completed his undergraduate degree from San Diego State University and then attended the University of California, San Francisco Dental School, and his education didn’t stop there. Following dental school, Dr. Gray attended the Las Vegas Institute of Cosmetic Dentists, a premier training…

Dr. Kevin Rykard


Dr. Kevin Rykard earned his dental degree from the University of Oklahoma College of Dentistry, where he graduated with honors, after also earning his bachelor’s degree from the University of Oklahoma. So no surprise: he is an avid OU football fan. However, his wife and three daughters went to OSU. Their house is a Bedlam epicenter! Dr. Rykard is passionate about continuing education so he can offer his patients the highest level of care. He takes numerous postgraduate education courses, specifically selecting those that focus on general dentistry to improve his patients’ overall oral health. His training includes the areas…

Dr. Jim Spurgeon


Dr. Jim Spurgeon is an Oklahoma native, a University of Oklahoma graduate and has been practicing in Norman for over thirty years. He is one of only 7% of general dentists who has earned the distinction of a Fellowship in the Academy of General Dentistry (FAGD). He is also a talented “Mr. Fix it”, who spends his free time remodeling his house on Lake Eufaula. Whether it’s building cabinets, furniture, or fabricating a custom faucet from an old cast iron pitcher, he finds joy in creating beauty...both personally and as a dentist! Dr. Spurgeon has advanced training in implants, full…

Dr. Brett Leemaster


Dr. Brett Leemaster is Sooner Born and Sooner Bred. He grew up in Moore where his father was (and still is) a practicing dentist! His dad’s example motivated Dr. Leemaster to become a dentist himself, so he pursued his undergrad degree and DDS from the University of Oklahoma. Fun fact: he eats queso EVERY time OU scores a touchdown when he’s watching at home. Yum Dr. Leemaster was also accepted into the Advanced Education in General Dentistry (AEGD) residency program at OU and spent this additional year receiving advanced training in cosmetic dentistry, implant placement & restoration, and wisdom tooth…

Dr. Greg Stewart


Dr. Greg Stewart is a Northwest OKC native, Casady high school graduate, former college athlete, Spanish speaker AND an expert sushi maker; who also happens to be an outstanding dentist! In college, he was Captain of the soccer team and also competed on the golf team. He received his dental degree from OU and was then chosen for OU’s Advanced Education in General Dentistry (AEGD) program, where he focused on excellence in aesthetic dentistry, dental implants and complex treatment planning. He has also chosen to pursue advanced dental education with the Pankey Institute and Kois Institute. Fun fact: his quarantine…

Dr. Adam Jury


Dr. Adam Jury loves studying and implementing the most current technologies into dentistry, and he is a man of many talents. He plays the ukulele, builds couches, And was a rap artist in his former life (or maybe junior high). His greatest talent however is being an incredibly empathetic dentist. Dr. Adam listens to his patients, has a kind heart, and is known around the office as the teddy bear dentist. If you want to work with a truly compassionate and caring dentist, with an amazing ability to rehabilitate your smile, read more about Dr. Adam below. Dr. Adam received…

Dr. Brandon Hall


Dr. Brandon Hall has a weakness for chocolate chip cookie dough, mountain biking, bourbon whiskey and getting lost in the Alaskan wilderness. But above all of that, he is a great dentist! Dr. Brandon has been a part of the downtown Denver community serving the Riverfront / LoHi area since 2011 and has maintained a 5280 Best Dentist title since 2014. Dr. Brandon’s work hard/play hard drive is evident in his obsession with taking as much continuing education as possible: his favorite being with the Spear Center in Scottsdale, Arizona. We are really excited about Dr. Brandon’s expertise in dentistry,…

Dr. Brett R. Levin


If you’re a Denver native, you’ve probably heard of 4th generation local Dr. Brett Levin, and if you are a Nuggets fan, you may have seen him on the Kiss Cam (you can ask about that story at your cleaning). Dr. Brett started his life being delivered at Rose hospital in Denver, by one of our patients! A few years passed, and he ended up in St. Louis for his undergrad at Washington University – and he’s a proud alumnus. After obtaining his dental degree at the University of Pennsylvania School of Dental Medicine, he returned home to Denver to…

Dr. Jennifer Derse


Dr. Jen Derse loves creating beautiful smiles for her clients, restoring their self-confidence and happiness. She also knows more cow jokes than anyone…so try to top that! After dental school at Marquette University School of Dentistry, Dr. Jen focused her practice on cosmetic dentistry in Scottsdale and taught at the Arizona School of Dentistry. In 2010, Dr. Jen moved to Denver to join Espire Dental, formerly Levin Family Dental, where she has maintained a Top Dentist award by 5280 Magazine every year since that time. Knowing every person is unique and beautiful in their own way, Dr. Jen completed the…

Dr. Christy Norton


Dr. Christy Norton has a fascinating career background and brings great perspective and diverse experience to Espire Dental! After college, Christy conducted immunology research at the Barbara Davis Center for Childhood Diabetes for several years. She is way too social to be locked up in a lab, so she headed to Tufts University to earn her dental degree and promptly returned to Denver. Dr. Christy takes pride in her friendly and open dialogue with patients. She enjoys collaborating with patients about the best options for their oral health while helping to create beautiful and long-lasting healthy smiles. Dr. Christy loves…

Dr. John Neuhaus


Dr. John Neuhaus is one of those special dentists who is passionate about helping people become the best version of themselves. Lucky for all of our patients, he has mad-skills to back up that passion! He is a 3rd generation dentist who is an expert in everything from full mouth rehabs and placing implants to veneers and crowns. He is also an expert at dancing, singing, whistling and humming. Maybe that’s an exaggeration...he’s only an expert at humming. Dr. John graduated from the University of Nebraska Medical Center College of Dentistry in 2004 and has been honing his craft and…

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…

Dr. Ken Gasper


Dr. Ken Gasper has been practicing dentistry for well over three decades and is a staple in the Colorado Springs community. He has gone above and beyond to be a true expert in his field, pursuing extensive advanced training and continuing education in a wide variety of specialty subjects. He is also a racquetball stud and loves his gym time, so he’s an athlete in both mind and body! Dr. Ken has a genuine passion for creating beautiful smiles and well-balanced faces. In fact, he has used his passion for learning to become an expert in surgical techniques, advanced orthodontics…

Dr. Lindsey Dortch


Dr. Lindsey Dortch, DDS is a Wisconsin native (don’t cha know) and graduated from Marquette University School of Dentistry in 2008. Dr. Lindsey moved to Colorado after completing an advanced education, general dentistry residency at Southern Illinois University School of Dental Medicine. She has been proudly practicing dentistry in the Denver metro area since 2010. Dr. Lindsey has received training to become a certified Invisalign provider and believes strongly in the importance of continuing education to provide the best technology and treatment available in dentistry to her patients. She is passionate about providing gentle, thorough, individualized dental care to her…

Dr. Mackenzie “Mac” Kelley


You can call her “Dr. Mac”! She loves creating strong relationships with her patients, has a great sense of humor and is very passionate about helping people feel comfortable while they are in her chair. Dr. Mac was born and raised in Fort Wayne, IN and attended Indiana University School of Dentistry, where she graduated with highest distinction. She was awarded the Omicron Kappa Upsilon Academic Achievement Scholarship and also received the American College of Prosthodontists award, presented to students who demonstrate excellence in crowns, bridges, dentures, and removable partial dentures. So yeah, she’s smart AND cool! And she’s also…

Dr. Terry Dingbaum


Dr. Terry started working in dentistry when he was 13 years old! His first job was cleaning dental offices...for real. Fast forward a few years, and his professional passion is now giving patients an extraordinary experience through a personalized approach to dentistry. Dr. Terry completed his doctoral degree at Creighton University Dental School and after that, he served as a dentist in the U.S. Army Dental Corps. Fun fact: he is the proud owner of a piece of the Berlin Wall, which he smashed out of the wall himself in 1990, while serving in Germany! Dr. Terry’s approach to patient…

Dr. Leslie Strommer


Dr. Leslie Strommer is an extremely talented and accomplished dentist who has been serving the San Diego community since 1991! After getting her undergraduate degree in Genetics from the University of California, Davis, she headed south to UCLA (Go Bruins!) to complete her Doctor of Dental Surgery degree. In true go-getter style, she headed to San Diego and jumped right into practice ownership—and has been a dental practice owner ever since! So yeah…she’s smart AND fearless. In 2014, Dr. Leslie graduated from the Kois Center, a continuing education program dedicated to teaching the latest advancements in restorative, cosmetic, and implant…

Dr. Conor Maguire


Dr. Conor is a first-generation Irish American, born and raised in Southern California. Before Dr. Conor traded surfing for skiing, he completed his doctoral degree as salutatorian with high honors from the University of the Pacific School of Dentistry in San Francisco. Following dental school, he completed an Advanced Education in General Dentistry at UCLA, where he expanded his skills to include complex comprehensive dental procedures including implants, surgery, and esthetic restorations. Wowza! As a member of the Academy of General Dentistry, American Dental Association, Colorado Dental Association, and the International Team of Implantology, he is committed to a heavy…

Dr. Scott Strommer


Dr. Scott Strommer is a native San Diegan with deep roots in the community. He has built his incredible reputation on delivering the highest level of dental care to his patients for over 30 years! After completing his undergraduate degree in Biochemistry and Cell Biology from the University of California, San Diego, he attended the UCLA School of Dentistry where he received his Doctor of Dental Surgery degree. Dr. Scott stays on the forefront of the latest advancements in dental technology and the best ways to care for his patients’ specialized needs. He is beyond passionate about the power of…

Dr. Greg Hurtado


Dr. Greg Hurtado was born and raised in Southern California, although he lived and practiced dentistry in Hawaii for 24 years! He and his family agree that San Diego has even better weather than Hawaii, which is only one of the many reasons why he decided to return home to practice dentistry with his long-time colleague and friend, Dr. Jeff Gray. Dr. Hurtado graduated from the University of California, San Francisco School of Dentistry and spent significant time after dental school continuing to learn the latest advancements in dental treatment and technology. He is a graduate from the esteemed Kois…

Dr. Rob Frey


Dr. Rob Frey is a man of many talents, including photography and cooking, and he even modeled (briefly!) before going into dental school. Ooh la la:) He’s also an incredibly gifted dentist! After graduating from Pacific Union College with an undergrad degree in Biology, he headed to Loma Linda University where he received his Master of Public Health. Dr. Rob has a huge heart for the community and has spent time volunteering on international mission trips. He is committed to creating a culture of caring and treats his patients more like VIP guests. Mint on your pillow, anyone? Dr. Rob…

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!

We Are Members Of

Our Dental Support Team

Dental Support Team

“You can dream, create, design and build the most wonderful place in the world… but it requires people to make the dream a reality”
—Walt Disney

At Espire Dental not only do we feel like our patients are our family, we believe our team is the core of that family. We are so fortunate to have found the greatest hygienists, dental assistants and administrative team to take care of you. They have traveled from coast to coast of the United States to be trained on everything from bite problems and systemic health as it relates to your overall health to leadership and customer service. They are proud to give back to the community and have served as volunteers at a global level and can’t wait to care for you at your next appointment.

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.

> REQUEST AN APPOINTMENT

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.

> REQUEST AN APPOINTMENT

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.

> REQUEST AN APPOINTMENT

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!

> REQUEST AN APPOINTMENT