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Meet the team
Meet the Lower Columbia Endodontics Team
Meet the board-certified endodontist and focused clinical team behind Lower Columbia Endodontics.
Meet Dr. Steidley
Advanced training. A personal connection to Longview.
Dr. Andrew R. Steidley is a board-certified endodontist dedicated to saving natural teeth through advanced endodontic treatment. Following in his father's footsteps, who practiced dentistry in Longview for many years, Dr. Steidley returned to serve the community where he grew up.
He earned his DMD and completed two additional years of specialized endodontic residency, followed by rigorous board certification. He completes 40 continuing education credits annually, focused on current endodontic techniques and technologies.
Outside the office, Dr. Steidley enjoys outdoor activities, music, and spending time with family and their dogs. He also played drums in a metal band during high school.
The care team
The people welcoming you to our office
A small, experienced team supporting each visit from scheduling through clinical care.
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Danielle
RDA
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Maria
DAOur technology
Detailed tools for precise care.
CBCT imaging provides detailed 3D views for diagnosis and treatment planning. Dental operating microscopes, electronic apex locators, and advanced file systems support focused, minimally invasive treatment.
Our practice
Focused exclusively on endodontics.
Lower Columbia Endodontics opened in 2025 to provide exceptional endodontic care to the Longview community. The practice is located near the post office on Hudson Street and prioritizes both physical comfort and emotional well-being.
Office photos
A modern, comfortable place for focused care
Experience expert endodontic care
Ready to meet the team?
Contact Lower Columbia Endodontics to request a consultation with Dr. Steidley.