Jeff Henneberg, DDS

Jeff is co-founder of Smile Source Ellingsen-Henneberg Dental in Spokane Valley, Washington. Smile Source Dental helps people from all over the state and Inland Empire achieve oral health and feel confident about their smiles. For over 15 years more than 3000 people from over five states in the West and Canada have trust their care to Smile Source Ellingsen-Henneberg Dental.

Dr. Henneberg has been an educator for dental students through University of Washington Dental School and has hosted educational events in various subjects regarding oral care. He has been featured on KXLY-ABC, highlighting the latest in technology for early detection of cancer. He is a charter member of the Inland Empire Perio Study Club, which is one of the longest-running educational clubs in the country. Jeff provides implant surgical and consultation care for the Benewah Medical Clinic and the Coeur d’Alene Tribe. He is a member of the American Academy of Dental Sleep Medicine, American Academy of Implant Dentistry, the ADA®, WSDA and SDDS, and he serves on the dental advisory board of Smile Source. He is completely dedicated to his profession and patients.

Having been with our practice since 2006, Jeff is very familiar with delivering professional dental service. He regards it as a special privilege to work with the team here and genuinely loves getting to know his patients. In his spare time, Jeff enjoys spending time outdoors golfing, skiing and hiking with his family. He is married with two children.


Eric Ellingsen, DDS

Dr. Eric Ellingsen is a lifelong resident of Spokane and has been practicing dentistry in the Spokane Valley since 1997. As a founding member of Smile Source Spokane, Dr. Ellingsen has enjoyed the ability to care for individuals and their smiles over the years and keep them in optimum health. He consistently completes over twice the yearly requirement of continuing education, enabling him to always keep abreast of new procedures or perhaps just a better way to make your visit more enjoyable. Monitoring the health effects of how your oral health influences your overall health is a growing concern.

Dr. Ellingsen and his team evaluate such conditions as snoring, joint replacement, sleep apnea, diabetes and cancer, and they work with your physician to improve your overall care and results.

As an advisory board member of the Spokane District Dental Society and the Inland Empire Periodontal Study Club, Dr. Ellingsen helps to influence and guide the direction of local dentistry in a positive direction. Other memberships include the American Dental Association®, the Academy of General Dentistry and the American Academy of Dental Sleep Medicine. Dr. Ellingsen has also been repeatedly elected by his peers as one of Spokane’s top dentists as reported annually in the Spokane Coeur d’Alene Living magazine. Smile Source Spokane continues to be one of the leaders in dental care in the Spokane Valley and Inland Empire area, and we look forward to you joining our dental family.


Gretchen Taylor, DDS

Dr. Gretchen Taylor is happy to be a part of the Smile Source Spokane team. Dr. Taylor attended Washington State University for her undergraduate education. She then went on to complete her dental education at Marquette University in Milwaukee, Wisconsin. She and her husband, Cole relocated to his hometown of Spokane in 2017 and are happy to be back in the Northwest and closer to family. Dr. Taylor enjoys practicing all aspects of dentistry including a passion for cosmetic, restorative and even treating kids! She takes time to getting to know her patients and caring for all of their oral health needs. She is active in the Spokane District Dental Society, Spokane Study Club, Washington State Dental Association, American Dental Association® and the Academy of General Dentistry. When not in the office Dr. Taylor and her husband love spending time with family at the lake, golfing, skiing or cheering on the Cougs.


the teamThe Team of Smile Source Dental

Meet Our Team
Since our establishment in 1997, Smile Source Dental has always comprised a well-trained team that values friendliness and patient comfort above all else. We are here to help you have a positive experience in receiving dental care with us, and we will do everything we can to assist you. If you would like to schedule an appointment for dental care in Spokane Valley, Washington, call 509-381-7421 today and schedule an appointment with our dentists, Dr. Jeff Henneberg, Dr. Eric Ellingsen, or Dr. Gretchen Taylor.

Cassie — Patient Care Coordinator

Cassie is a recent graduate from EWU and is a great addition to our team as a patient care coordinator. She delivers a very dedicated and productive mindset to the team, and she loves feeling like a part of our dental family. Her favorite pastime is trying out new restaurants with her husband. She has one little girl and an English Springer Spaniel.


Christy — Patient Care Coordinator

As one of our patient care coordinators, Christy distinguishes herself in providing wonderful patient care and contributing to our team. She performs detailed research on insurance to ensure patients receive accurate benefits on treatment. Outside of the office, Christy lives with her boyfriend, her little daughter and a 70-pound sulcata tortoise named Frankie. Her hobbies include gardening, kayaking and camping.


Sarah — Patient Care Coordinator

As a patient care coordinator, Sarah is fantastic at building great relationships with our patients. She has worked with our practice as a valued team member for over 25 years. Her enthusiasm, positive attitude and dedication to our patients and her teammates help contribute to a great patient experience. In her spare time, she enjoys reading and being involved with her children’s activities. She is married with two boys.


Kelsi — Dental Hygienist

Kelsi is our dental hygienist. Having been with us for over ten years, she is always willing to help where she is needed and stays up to date with the latest dental procedures. Kelsi is married with a young daughter. During her spare time, she loves hiking, boating and snowshoeing.


Shaley – Dental Hygienist

Shaley graduated in 2017 from Eastern Washington University with a bachelor’s degree in dental hygiene. She joined our team in June 2019, and she loves being part of a large, supportive team. Shaley works each day to build relationships with her patients through education, understanding and encouragement.

In her spare time, Shaley enjoys painting, hiking and shopping. She is engaged to be married this coming September to her boyfriend of eight years. They have two cats.


Taylor – Dental Hygienist

Taylor graduated from the Shoreline Dental Hygiene Program in 2015 and has been part of our team since 2017. Taylor brings a great positive energy and enthusiasm to our office and loves being part of a practice that feels like family.

Taylor was born and raised in Spokane. She and her husband, Mike, have been married for six years and had their first child in February. They also have a Labradoodle named Piper. Outside of the office, Taylor enjoys cooking, reading and traveling.


Rachel — Dental Assistant

Having been with us for over 20 years, Rachel is like family to our practice. She cares for her patients and will listen intently to their needs, always treating them as she would treat her own family. Outside the office, Rachel enjoys traveling, hiking and working out. Her family consists of her husband and two children.


Heather- Dental Assistant

Heather graduated in 2018 from San Joaquin Valley College, where she received an award for academic excellence. She joined our team in 2019 and loves the warm environment that we create for our patients. Her humor, adaptability and commitment to patient care make her a great team player at our office.

Heather and her husband, Bryce, have one son and one daughter. They recently moved here from California and are excited to build a life and experience what Washington has to offer. In her spare time, Heather enjoys playing with her children, camping, fishing, hunting, sledding and date nights with her husband.