Our Team

About Our Lone Tree Dental Office

Lone Tree Modern Dental is located in Lone Tree, CO. Our staff of dental experts includes regular and cosmetic dentists, endodontists, orthodontists, periodontists, and oral surgeons.

Interested in learning more about how you can save on dental visits? See a full list of insurances accepted or learn more about our payment options for patients without insurance. Don’t forget to check out our special offers!

Mission Statement

Our continuous mission, as a team, is to provide our patients with a comfortable environment to have their oral health diagnosed and discussed comprehensively; allowing for our patients to make informed decisions about their care, at a level they are comfortable with. We strive to provide the most current and best practices in dentistry, ensuring our patients have the healthiest dentition attainable.

Dr. James Fischer – Cosmetic & General Dentist

Dr. James FischerDr. Fischer is a graduate from the University of Nebraska, where he received his Bachelor’s in Biology. He went on to receive his Doctorate from the Creighton School of Dentistry in Omaha and has been practicing dentistry for the past 20 years. He is a member of the Academy of General Dentistry and stays up to date in all phases of dentistry.

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Dr. Hasso

I was born in Baghdad, Iraq and that’s where I was awarded my first DDS degree, and soon after that, I decided to move to the US to seek a better education. I was awarded my second DDS degree from Loma Linda university in California. After graduation, I moved to Colorado because I love the cold weather, winter activities, and hiking. During my free time, I enjoy baking, cooking, and solving jigsaw puzzles. I enjoy traveling and spending time with my family and friends.

Dr. Jeffrey Heyse – Endodontist

dr. heyse headshot

Dr. Heyse was raised in an Air Force family growing up in multiple parts of the country including New Jersey, Florida, Texas, and Nevada. He graduated from the University of Nevada-Reno earning a Bachelor of Science degree in Biology. Staying in Nevada, Dr. Heyse obtained his Doctor of Dental Medicine degree from the University of Nevada-Las Vegas School of Dental Medicine.

Immediately following dental school, he was commissioned as an officer into the United States Air Force Dental Corps and received an AEGD-1 residency certificate. Dr. Heyse spent 6 years as a general dentist serving United States Airmen and their families at multiple duty stations from Virginia to Japan.

Upon separation from the military, Dr. Heyse garnered his Master of Science and Certificate in Endodontics from the University of Minnesota. Dr. Heyse is currently Board Eligible with the American Board of Endodontics and holds active membership as part of the American Association of Endodontists, American Dental Association, Colorado Dental Association, and Metropolitan Denver Dental Society. Dr. Heyse is also a member and guest lecturer in several local study clubs. Outside of the office, Dr. Heyse spends time with his wife and two children taking advantage of the incomparable offerings that Denver and its surrounding wilderness provide.

Dr. Christopher Brett – Periodontist

Dr Christopher BrettDr. Brett was born and raised in Pittsburgh, PA, where completed his undergraduate education at the University of Pittsburgh. He subsequently obtained his Doctor of Dental Surgery (DDS) degree at Columbia University College of Dental Medicine in New York City. He then continued his education with a three-year residency program at the Ohio State University in Columbus, where he was granted a Certificate in Periodontics and Masters of Science, as well as received training and certification in IV conscious sedation for patients with dental anxiety.

After practicing for 3 years in Tulsa, Oklahoma, he and his wife, Anna, have chosen to make Denver their home. For fun, they enjoy live music, theater, movies and trying all types of food, as well as exploring the beauty of Colorado with their dog, Ellie. Dr. Brett is a Diplomate of the American Board of Periodontology and is currently a member of the American Dental Association and American Academy of Periodontology. He has had the opportunity to speak at numerous continuing education events and continues to be an active member of the dental community.