About Our Friendly Staff

Cosmetic & Implant Dentists Accepting New Patients in Lone Tree, Centennial, Highlands Ranch & Nearby Colorado

The dentists and staff at our office in Lone Tree, Colorado, are dedicated to providing you with the best care that dentistry has to offer. Our team is fully licensed and experienced, and we foster a comfortable and welcoming setting where your needs are always met with professionalism and kindness. You can expect to receive outstanding service from our caring dental team in every aspect of your visit.

Staff Photo

Doctors

Joseph O’Leary, DDS, grew up in Rockford, Illinois. He attended college at the University of Notre Dame, graduating in 1985 with a Bachelor of Science. After completing his dental degree at the University of Illinois in 1989, he came to Colorado and furthered his education at a dental residency…

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Dr. Scott Peppler was born in Northern California but spent most of his early life in Salt Lake City, Utah. He and his wife eventually moved to Boston, Massachusetts, where he attended the world-renowned Tufts University’s School of Dental Medicine. Dr. Peppler graduated in 2004 with his dental…

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Dr. Scott I. Whitney grew up in Colorado. He attended the University of Colorado School of Dentistry and received a Doctorate of Dental Surgery (DDS) in May of 2000. He was then accepted into a General Practice Residency (GPR) at the University of Colorado Hospital, where he trained in advanced…

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Shayna Sengewalt, DDS, grew up in a small town in West Virginia. She completed her undergraduate studies at the University of Virginia. From there, she attended the West Virginia School of Dentistry, where she received her Doctor of Dental Surgery degree in 2015.

Dr. Sengewalt went on to…

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Staff

Office Manager

10+ years working in healthcare

In my spare time I love play golf with my family and take long walks with my 2 dogs. We also love to travel and go visit our twin boys who are away at college.

Treatment Coordinator

20+ years working in dentistry

I enjoy camping and driving to the mountains with my two large fluffy Goldendoodles, Benny and Rosco. As an empty nester and new grandparent, I love to visit my kids in California, Kansas and Missouri. I never miss watching my Broncos win or lose!

Treatment Coordinator

20+ years working in dentistry

In my spare time I like to travel and go hiking and camping.

Hygiene/Insurance Coordinator

10+ years working in dentistry

I’m an avid collector of books and all things bookish. My 2 dogs are my life. In our spare time, my husband and I love to bake and then go on hikes to burn off the calories.

Receptionist/Hygiene Coordinator

20+ years working in dentistry

In my spare time I like to sightsee with my family. Living most of my life in Illinois, I love all the new scenery in Colorado and taking pictures of the mountains.

Dental Assistant

20+ years working in dentistry

In my spare time I like to watch movies and spend time outdoors with my family.

Dental Assistant

20+ years working in dentistry

In my spare time I like to go biking and swimming, and work on my photography.

Dental Assistant

20+ years working in dentistry

In my spare time I like to watch my sons sporting events, camp, shop and spend time with my family. I am an avid Broncos fan!

Dental Assistant

20+ years working in dentistry

In my spare time I like to spend time with my husband, 2 boys and 1 daughter. We love all things Colorado – camping, skiing & traveling.

Hygienist

20+ years working in dentistry

In my spare time I like to spend time with family and friends, and I enjoy running, biking and skiing.

Hygienist

20+ years working in dentistry

In my spare time I like to run, hike and cook with my husband. I am a Denver Broncos superfan.

Hygienist

20+ years working in dentistry

I am married with 3 wonderful kids, a fabulous daughter-in-law, terrific son-in-law and 3 beautiful grandsons. Family is everything to me and that is what consumes my free time!

Dental Assistant

10+ years working in dentistry

In my spare time I like to spend time with my family cooking (and eating) delicious food, hiking, kayaking and gardening.

Endodontic Assistant

10+ years working in dentistry

In my spare time I like to spend time with family and taking wildlife photos.