127 Village Drive, Suite 100
Belgrade, MT 59714


Timothy R. Lund, DDS











Dr. Timothy Lund attended dental school at Creighton University, achieving his Doctor of Dental Surgery (DDS) degree in 2004. While attending dental school, he won many student awards and gained significant clinical experience, especially in the areas of implant dentistry and full mouth reconstruction. He has completed advanced training in complex implant cases and digital implant placement. He continues to advance his knowledge of dentistry on a monthly basis in order to better serve his patients. Dr. Lund has practiced in the Gallatin Valley area since 2004.

Dr. Lund is a member of several professional organizations, including:

  • American Dental Association
  • Blue Ribbon Study Club
  • Seattle Study Club
  • MGE Power Program Graduate

As a dentist, his goal is to provide comfortable, high-quality, long-lasting dental care to his patients.

Dr. Lund grew up in Williston, North Dakota. He is an outdoor enthusiast and enjoys camping, hunting, fishing, and hiking when not at the office. He and his wife, Melissa, have 2 dogs, Gus and Bailey.


Jennifer Lehnhardt, DDS











Dr. Lehnhardt brings high-quality dentistry and compassion to our office. Her goal is to provide patients with excellent care, based on trust and experience. After graduating from Loma Linda University School of Dentistry, she then completed general practice residency at VA Palo Alto. Before joining our team, Dr. Lehnhardt was a clinical instructor at Stanford Hospital and a general dentist at a thriving private practice in California. She has expertise in restorative dentistry, oral surgery, esthetic dentistry, and clear braces. She believes continuous learning allows her to offer the latest treatments available and provide the best possible care. She leads an active professional life by attending continuing education, volunteering for non-profits, and serving as a member of several dental organizations. She is a member of both the California Dental Association and the Academy of General Dentistry, and is a board member of the Mid-Peninsula Dental Society. She is excited about relocating to Montana and looks forward to experiencing more of the outdoors. She has had a very positive experience with people here, and can’t wait to escape Bay Area traffic. In her free time, she enjoys hiking, skiing, watching Netflix, and trying new foods.


Meet Our Team

Our friendly team at River Rock Dental Group is committed to providing you with quality care in a comfortable, welcoming environment. When you visit us, you can expect to receive personalized treatment and for us to do our utmost to ensure that you feel at ease. To make your appointment with our dentist and learn more about comprehensive dental care in Belgrade, Montana, please call us today at 406-388-0033. We look forward to meeting you soon!

Tracie – Dental Hygienist






Tracie joined our practice in early 2019. Specializing in periodontal disease and pediatric hygiene, she has over 23 years of experience. She also graduated with a B.S. from Oregon Health and Science University. What she loves most about our office is that everyone is truly happy, helpful, and gives each patient the best care possible. She has 3 children, 5 grandchildren, 2 dogs (Chinook and Pete), and a cat (Gus). Outside of work she loves to ski, bike, hike, barbeque, and go boating.


Jami – Office Manager






Jami joined our practice in 2018, with over 14 years of dental office experience. She loves her job, and views our team as family. She is married and has 2 kids, a dog, and a cat. Outside of the office she loves to camp, hike, fish, and spend time with her family.


Melissa – Lead Dental Assistant





Melissa joined our practice in 2016. She has been a dental assistant since 2004, and was an oral surgery assistant for 6 years. She originally studied nursing at Montana State University in Bozeman before entering the dental field. She is a certified dental assistant, and also has CPR certification. She married Dr. Lund in 2016, and now has 2 dogs named Gus and Bailey. She loves to work with her husband and considers the rest of the team family. Outside of work she loves cooking and baking, camping, hunting, and spending time with her family.


Lisa – Receptionist

Lisa joined our office in 2019. She has over 7 years of experience working in a dental practice, and has both bachelor and master of arts degrees. What she loves most about the office is how we care more about the health of our patients than anything else. She has a husband, 2 kids, 2 dogs, and 2 cats. Outside of work she loves to go camping, fishing, hunting, traveling, going to the movies, and reading.


Codi – Scheduling Coordinator

Codi joined our team in 2019 as our scheduling coordinator! Some things she loves about our office are that she gets to work closely with patients and gets the opportunity to learn so much. She has a horse named Barracuda, dog named Latigo, and a cat named Hoss. Outside of work, she loves to barrel race, camp, travel, hike, and read.


Grant – Patient Coordinator






Grant joined our team in 2019. He is planning on attending dental school, specifically pursuing a career in orthodontics. He is currently attending Montana State University in Bozeman, working towards a Bachelor’s degree in organismal biology. Grant also works as a certified pharmacy technician. What he enjoys most about the office is the friendly team and all of our awesome patients! Outside of work Grant enjoys skiing, hunting, and fishing.