About Dr. Nick Leon-Guerrero, DDS

Dr. Nicholas Leon-Guerrero is a board-certified endodontist who combines meticulous technique with a calm, patient-centered approach to preserve natural teeth and relieve pain comfortably.

Dr. Leon-Guerrero earned his Doctor of Dental Surgery degree from the University of the Pacific Arthur A. Dugoni School of Dentistry. He completed a General Practice Residency at Kings County Hospital Center in Brooklyn, New York, followed by a Certificate in Endodontics from Columbia University College of Dental Medicine.

His advanced training includes conventional, regenerative, minimally invasive, and surgical endodontics. As a Diplomate of the American Board of Endodontics, he is committed to the profession’s highest standards and uses advanced technology to support comfort, predictable treatment, and healing.

At Omni Endodontics in Arlington, Dr. Leon-Guerrero begins each visit by listening carefully to a patient’s symptoms, history, and goals. He provides clear communication and thoughtful treatment planning in a modern, calming environment while coordinating closely with referring general dentists.

Dr. Leon-Guerrero volunteers at the Northern Virginia Community Dental Clinic and has provided humanitarian dental care in Fiji, Jamaica, the Dominican Republic, and Guatemala. He serves on the Executive Committee of the Northern Virginia Dental Society and is a Fellow of the Virginia Dental Association.

Outside the office, he enjoys strength training, travel, and weekend adventures with his wife and young daughter.