Our doctors arehighly skilled and qualified to perform all types ofperiodontal care.Each could lead a private practice, but their preference is to collaborate and work together as a team, enabling them to provide more focused care on their patients. All of our doctors are dedicated to utilizing the latest indental technology and committed to the continuing pursuit of advanced education. Dr. Shumaker and Dr. Allen serve as co-directors of two professional study clubs, the Mountain West Dental Forum, and the Rocky Mountain Dental Hygiene Study Club. Through these programs of shared techniques and clinical experience, they work closely with local peers to improve patient care in Northern Colorado.

Our doctors enjoy collaborating on cases, combining their unique skills to provide patients with the best possible treatment. They are supported by our dedicated surgical, hygienic, and officeteam members. In both our Fort Collins and Greeley locations, camaraderie and genuine warmth are readily apparent. Drs. Shumaker and Allen have made a point to give back to the community and has spent time volunteering with a number of charitable causes. They are dedicated to improving the lives of their patients through superior periodontal care and improved oral health.

Dr. NicholasShumakergrew up in Northern Colorado and is a graduate of Fort Collins High School. After attending Creighton University, he graduated with honors from the University of Colorado School of Dentistry in 2001 and was commissioned as an officer in the United States Navy Dental Corps. Dr. Shumakerprovided 10 years of active duty service which included duty stations throughout the world.

In 2008, Dr. Shumaker completed a 3-year residency in Periodontics and Dental Implant Surgery at Bethesda Naval Hospital in Maryland. He earned his board certification in Periodontology and Dental Implant Surgerythat same year. Finishing his patriotic service to our country at Quantico, Virginia he then moved his family and practice back home to Northern Colorado in 2011.

Dr. Shumaker is a board-certified Diplomate of the American Board of Periodontology and Dental Implant Surgery. Additionally, he is also a board-certified Diplomate of the International Congress of Oral Implantologists and holds a postgraduate Masters degree in oral biology from The George Washington University. He has published several articles in the field of periodontics in peer-reviewed journals and has been honored to be repeatedly named one of Colorados Top Dentists by 5280 Magazine.

Dr. Shumaker enjoys spending time with his wife and trying to keep up with his two children. In the summer you can find him enjoying the Colorado outdoors, or at the race track where he serves as a Porsche Club of America national high-performance driving instructor. In the winter you can find him on the ski slopes with his family. Dr. Shumaker is passionate about practicing as a periodontist and is constantly attending (and often teaching) continuing education courses to stay current on the latest research and techniques. He strongly believes that oral health is an important component in overall health, and strives to provide compassionate and comfortable care to his patients.

Dr. Allen was born and raised in Las Vegas, NV where she completed undergraduate at the University of Nevada and her doctoral education at the University of Nevada School of Dental Medicine. She graduated magna cum laude and was inducted into Omicron Kappa Upsilon, a national dental honor society. She received her certificate in Periodontics and Masters of Dental Sciences from Virginia Commonwealth University where she served as chief resident and clinical instructor in the pre-doctoral clinic. Dr. Allen has also achieved the highest certification in her specialty with board certification in Periodontology and Dental Implant Surgery.

She maintains current memberships in multiple dental societies. Currently holds office as President of Larimer County Dental Society, Larimer County Dental Society delegate for Colorado Dental Association annual meeting, member of the Colorado Dental Associations Council of Component Leadership committee, Co-Director for Mountain West Dental Forum, Co-Director for Rocky Mountain Dental Hygiene Study Club, and Spear Dental Study Club Specialty advisor. She continues to advance her degree and expertise with continuing education and is honored to be recognized as one of Colorados Top Dentists by 5280 magazine.

Dr. Allen takes the time to understand the patients desires and concerns to develop the best periodontal treatment plan for each patient. She has also been trained in aesthetically enhancing patients smiles by use of periodontal plastic surgery procedures and dental implants.

Dr. Leslie J. Paris started our practice (now known as Northern Colorado Periodontics) from scratch in 1998. After 34 years in dentistry and 22 years in private periodontal practice, Dr. Paris transitioned into a mid-life career change in 2019. Leaving behind the role of periodontal private practice owner and clinician, she plans to stay involved in dentistry to lecture, teach and consult dental and periodontal practices across the nation. Additionally, Dr. Paris plans to enjoy her freedom by working on her foreign travel bucket list. Her legacy lives on with the high standard of care we continue to provide at Northern Colorado Periodontics.