All our professionals at Mark Pimper, D.D.S. maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in dentistry.


drMark Pimper D.D.S.

Mark Pimper has been practicing general and family dentistry in Longmont for over 25 years. He is originally from Fremont, Nebraska, A graduate of the University of Nebraska School of Dentistry, Dr. Pimper was a member of Phi Eta Sigma Honorary society.

His extensive continuing education has covered many hours of orthodontics, including a two year course of study from the American Straight Wire Orthodontic Association, and a five course program in orthodontics and orthopedics conducted by the Clinical Foundation of Orthopedics and Orthodontics.

Dr. Pimper is a member of the American and Colorado Dental Associations, as well as past president of the Boulder County Dental Society. He is also active in the Longmont Breakfast Optimist Club and the Longmont Rotary Club.

Dr. Pimper is an avid baseball fan, enjoys outdoor activities, traveling, working in the yard, and loves spending time with his family.


reneRene Weyant - Business Assistant

Rene is originally from New York but has lived in Colorado for the past twelve years. Colorado is now home to Rene. She is married and has three children, Kaleigh 26, Joseph 23, and Nicholas 21. She enjoys gardening and reading, but cooking and baking are her favorite hobbies. Rene has worked for Dr. Pimper since 2008 and enjoys working in the dental field.  She works with the patients handling their scheduling and insurance needs. Call her today to schedule a new patient exam.



wendyWendy Keep - Chairside Assistant

Wendy moved from Pennsylvania to Colorado as a child. The mountains, climate, future husband and high school sweetheart, Lee, kept her in Colorado. Wendy has been married twenty years with two children, Ashley 18, and Brandon 14. She enjoys fishing, camping, waterskiing, and vacationing with her family.

During high school Wendy earned her certificate in dental assisting at the Career Development Center in Longmont, Colorado. She later earned a certificate in radiology. Wendy has been a dental assistant for sixteen years, and enjoys her expanded duties, but loves her patient relationships most of all.


3Jamie James - Dental Hygienist

Jamie was born and raised in Longmont and graduated from Longmont High School. She attended Colorado State University, majoring in Exercise Sports Science. She then attended Colorado Northwestern Community College in Rangely, Colorado, majoring in Dental Hygiene. After graduating with honors in May of 1999, Jamie moved back to Longmont and married her husband, Mike that same year. Jamie now has three children. Ryan is 13, Ellie is 11, and Corbin is 6, which keep her very busy.

Jamie has been employed at Dr. Pimper's office since 2000 and enjoys being a hygienist and all the relationships she has formed with her patients over the years. While working there, Jamie has formed great friendships with her fellow co-workers.