Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
David Palmieri, DMD, MS, combines prestigious training and extensive practical experience to provide his patients with unparalleled endodontic care. Dr. Palmieri is proud to be a member of the Dominion Endodontics team, serving the communities of Alexandria, Arlington, and Falls Church, Virginia.
Dr. Palmieri attended the University of Pittsburgh in Pittsburgh, Pennsylvania, where he earned his Bachelor of Science in Biology. Following his undergraduate studies, he completed his Doctor of Dental Medicine, also at the University of Pittsburgh. Dr. Palmieri stayed at his alma mater to complete his certificate in endodontics, as well as earn a Master of Science.
Dr. Palmieri is a proud member of the American Dental Association, Virginia Dental Association, Northern Virginia Dental Society, and Alexandria Dental Society, for which he served as a past president.
Through his dedication to his patients, Dr. Palmieri has earned numerous awards and recognitions throughout his career, including being voted as “Top Endodontist” by Northern Virginia Magazine, Virginia Living magazine, Washingtonian Magazine, and Washington Consumers’ Checkbook magazine.
Dr. Palmieri received the American Association of Endodontics Student Achievement Award and is proud to be a fellow of the Virginia Dental Association.
Nathan Schoenly, DDS, brings a compassionate approach and extensive dental experience to his patients at Dominion Endodontics in Arlington, Alexandria, and Falls Church, Virginia. Dr. Schoenly is well-trained in a wide variety of endodontic procedures, helping his patients maintain their oral health throughout their lives.
Dr. Schoenly attended Saint Michael’s College in Burlington, Vermont, where he earned both a Bachelor of Science and a Bachelor of Arts in English literature. Following his undergraduate studies, Dr. Schoenly attended the University of Buffalo School of Dental Medicine in Buffalo, New York, where he completed his Doctor of Dental Surgery. He stayed at the University of Buffalo to earn a certificate of endodontics.
To stay informed on developments within his field, Dr. Schoenly holds memberships with American Dental Association, Virginia Dental Association, Northern Virginia Dental Society, Korean American Dental Association, and Alpha Omega International Dental Fraternity. He’s also a member of the American Association of Endodontists and Virginia Academy of Endodontics.
David Palmieri, DMD, MS, combines prestigious training and extensive practical experience to provide his patients with unparalleled endodontic care. Dr. Palmieri is proud to be a member of the Dominion Endodontics team, serving the communities of Alexandria, Arlington, and Falls Church, Virginia.
Dr. Palmieri attended the University of Pittsburgh in Pittsburgh, Pennsylvania, where he earned his Bachelor of Science in Biology. Following his undergraduate studies, he completed his Doctor of Dental Medicine, also at the University of Pittsburgh. Dr. Palmieri stayed at his alma mater to complete his certificate in endodontics, as well as earn a Master of Science.
Dr. Palmieri is a proud member of the American Dental Association, Virginia Dental Association, Northern Virginia Dental Society, and Alexandria Dental Society, for which he served as a past president.
Through his dedication to his patients, Dr. Palmieri has earned numerous awards and recognitions throughout his career, including being voted as “Top Endodontist” by Northern Virginia Magazine, Virginia Living magazine, Washingtonian Magazine, and Washington Consumers’ Checkbook magazine.
Dr. Palmieri received the American Association of Endodontics Student Achievement Award and is proud to be a fellow of the Virginia Dental Association.
Nathan Schoenly, DDS, brings a compassionate approach and extensive dental experience to his patients at Dominion Endodontics in Arlington, Alexandria, and Falls Church, Virginia. Dr. Schoenly is well-trained in a wide variety of endodontic procedures, helping his patients maintain their oral health throughout their lives.
Dr. Schoenly attended Saint Michael’s College in Burlington, Vermont, where he earned both a Bachelor of Science and a Bachelor of Arts in English literature. Following his undergraduate studies, Dr. Schoenly attended the University of Buffalo School of Dental Medicine in Buffalo, New York, where he completed his Doctor of Dental Surgery. He stayed at the University of Buffalo to earn a certificate of endodontics.
To stay informed on developments within his field, Dr. Schoenly holds memberships with American Dental Association, Virginia Dental Association, Northern Virginia Dental Society, Korean American Dental Association, and Alpha Omega International Dental Fraternity. He’s also a member of the American Association of Endodontists and Virginia Academy of Endodontics.
David Palmieri, DMD, MS, combines prestigious training and extensive practical experience to provide his patients with unparalleled endodontic care. Dr. Palmieri is proud to be a member of the Dominion Endodontics team, serving the communities of Alexandria, Arlington, and Falls Church, Virginia.
Dr. Palmieri attended the University of Pittsburgh in Pittsburgh, Pennsylvania, where he earned his Bachelor of Science in Biology. Following his undergraduate studies, he completed his Doctor of Dental Medicine, also at the University of Pittsburgh. Dr. Palmieri stayed at his alma mater to complete his certificate in endodontics, as well as earn a Master of Science.
Dr. Palmieri is a proud member of the American Dental Association, Virginia Dental Association, Northern Virginia Dental Society, and Alexandria Dental Society, for which he served as a past president.
Through his dedication to his patients, Dr. Palmieri has earned numerous awards and recognitions throughout his career, including being voted as “Top Endodontist” by Northern Virginia Magazine, Virginia Living magazine, Washingtonian Magazine, and Washington Consumers’ Checkbook magazine.
Dr. Palmieri received the American Association of Endodontics Student Achievement Award and is proud to be a fellow of the Virginia Dental Association.
Nathan Schoenly, DDS, brings a compassionate approach and extensive dental experience to his patients at Dominion Endodontics in Arlington, Alexandria, and Falls Church, Virginia. Dr. Schoenly is well-trained in a wide variety of endodontic procedures, helping his patients maintain their oral health throughout their lives.
Dr. Schoenly attended Saint Michael’s College in Burlington, Vermont, where he earned both a Bachelor of Science and a Bachelor of Arts in English literature. Following his undergraduate studies, Dr. Schoenly attended the University of Buffalo School of Dental Medicine in Buffalo, New York, where he completed his Doctor of Dental Surgery. He stayed at the University of Buffalo to earn a certificate of endodontics.
To stay informed on developments within his field, Dr. Schoenly holds memberships with American Dental Association, Virginia Dental Association, Northern Virginia Dental Society, Korean American Dental Association, and Alpha Omega International Dental Fraternity. He’s also a member of the American Association of Endodontists and Virginia Academy of Endodontics.
Dr. Nicholas Leon-Guerrero is a Board-Certified Endodontist. He is fully trained in conventional, regenerative, minimally invasive, and surgical endodontics.
He earned his Doctor of Dental Surgery at the University of the Pacific Arthur A. Dugoni School of Dentistry in San Francisco, California. After graduation, Dr. Leon-Guerrero completed a general practice residency at Kings County Hospital Center in Brooklyn, New York. He then furthered his training by earning his Certificate of Endodontics from the prestigious Columbia University College of Dental Medicine.
To stay current in his field, Dr. Leon-Guerrero maintains professional memberships with the American Dental Association, Virginia Dental Association, Northern Virginia Dental Society, and American Association of Endodontists. He is also a member of the American Academy of Orofacial Pain and the International Association of Dental Trauma. He regularly receives continuing education through various study clubs and is a member of the Executive Committee for the Northern Virginia Dental Society.
Dr. Leon-Guerrero stays active in his community by volunteering at the Northern Virginia Community Dental Clinic. He has completed several humanitarian trips as well to countries like Jamaica, Dominican Republic, Guatemala, and Fiji.
Dr. Nicholas Leon-Guerrero is a Board-Certified Endodontist. He is fully trained in conventional, regenerative, minimally invasive, and surgical endodontics.
He earned his Doctor of Dental Surgery at the University of the Pacific Arthur A. Dugoni School of Dentistry in San Francisco, California. After graduation, Dr. Leon-Guerrero completed a general practice residency at Kings County Hospital Center in Brooklyn, New York. He then furthered his training by earning his Certificate of Endodontics from the prestigious Columbia University College of Dental Medicine.
To stay current in his field, Dr. Leon-Guerrero maintains professional memberships with the American Dental Association, Virginia Dental Association, Northern Virginia Dental Society, and American Association of Endodontists. He is also a member of the American Academy of Orofacial Pain and the International Association of Dental Trauma. He regularly receives continuing education through various study clubs and is a member of the Executive Committee for the Northern Virginia Dental Society.
Dr. Leon-Guerrero stays active in his community by volunteering at the Northern Virginia Community Dental Clinic. He has completed several humanitarian trips as well to countries like Jamaica, Dominican Republic, Guatemala, and Fiji.
Dr. Nicholas Leon-Guerrero is a Board-Certified Endodontist. He is fully trained in conventional, regenerative, minimally invasive, and surgical endodontics.
He earned his Doctor of Dental Surgery at the University of the Pacific Arthur A. Dugoni School of Dentistry in San Francisco, California. After graduation, Dr. Leon-Guerrero completed a general practice residency at Kings County Hospital Center in Brooklyn, New York. He then furthered his training by earning his Certificate of Endodontics from the prestigious Columbia University College of Dental Medicine.
To stay current in his field, Dr. Leon-Guerrero maintains professional memberships with the American Dental Association, Virginia Dental Association, Northern Virginia Dental Society, and American Association of Endodontists. He is also a member of the American Academy of Orofacial Pain and the International Association of Dental Trauma. He regularly receives continuing education through various study clubs and is a member of the Executive Committee for the Northern Virginia Dental Society.
Dr. Leon-Guerrero stays active in his community by volunteering at the Northern Virginia Community Dental Clinic. He has completed several humanitarian trips as well to countries like Jamaica, Dominican Republic, Guatemala, and Fiji.
Dr. Nicholas Leon-Guerrero is a Board-Certified Endodontist. He is fully trained in conventional, regenerative, minimally invasive, and surgical endodontics.
He earned his Doctor of Dental Surgery at the University of the Pacific Arthur A. Dugoni School of Dentistry in San Francisco, California. After graduation, Dr. Leon-Guerrero completed a general practice residency at Kings County Hospital Center in Brooklyn, New York. He then furthered his training by earning his Certificate of Endodontics from the prestigious Columbia University College of Dental Medicine.
To stay current in his field, Dr. Leon-Guerrero maintains professional memberships with the American Dental Association, Virginia Dental Association, Northern Virginia Dental Society, and American Association of Endodontists. He is also a member of the American Academy of Orofacial Pain and the International Association of Dental Trauma. He regularly receives continuing education through various study clubs and is a member of the Executive Committee for the Northern Virginia Dental Society.
Dr. Leon-Guerrero stays active in his community by volunteering at the Northern Virginia Community Dental Clinic. He has completed several humanitarian trips as well to countries like Jamaica, Dominican Republic, Guatemala, and Fiji.
Mahshid Majlessi Koopaeei, DMD, MSc, is a highly skilled oral health physician who takes a calming approach to patient care. As one of the leading providers at K Street Dental & Orthodontic Group in Washington, D.C., and Gaithersburg, Maryland, Dr. Majlessi takes the time to ensure each patient receives high-quality, comfortable treatment.
Dr. Majlessi attended the University of Michigan in Ann Arbor, where she received her Master of Science and a certificate of specialty in endodontics. She received her Doctor of Dental Medicine from the University of Pennsylvania in Philadelphia, where she was part of the clinical honors program and recipient of the Pre-Doctoral Endodontic Program Outstanding Clinical Award. She’s also a diplomate of the American Board of Endodontics.
In addition to her work in patient care, Dr. Majlessi is published in the Journal of the American Dental Association. She is also a current member of the American Association of Endodontics. She is bilingual, speaking both English and Farsi.
When she’s free, Dr. Majlessi spends much of her time with friends and family. She also enjoys painting, sports, and participating in fitness events.
“Dental work is expensive. But the experience with Dr. T, Chelsea, and all staff made the visit worth it. I had my brackets removed and the remainder of my tooth was extracted in the blink of an eye. I had a little swelling but only needed one pain pill. Great work! I look forward to seeing the doctor again next month. The goal is a model smile:)”
Juheon Seung DDS, MS, brings a wealth of experience and training to Sterling Endodontics in Glen Burnie, Maryland. Having the opportunity to enhance his patients’ lives and wellbeing is deeply rewarding, and it’s part of what makes Dr. Seung so excited to come to work each day.He completed his dental degree at the University of Maryland School of Dentistry (UMB) in Baltimore, returning to earn his Master of Science and a Certificate in Endodontics. Dr. Seung also attained his certificate for General Practice Residency at the Washington DC Veterans Affairs Medical Center.
While completing his specialty training, Dr. Seung’s research in bioactive materials was published in the Journal of Endodontics. He is also the recipient of a competitive research grant awarded by the Foundation of the American Association of Endodontists (AAE).
Dr. Seung is certified by the American Board of Endodontics (ABE) and is a diplomate of the ABE, joining an distinguished group of endodontists who have demonstrated their dedication to professional growth and providing the highest quality of patient care. He also serves as a clinical professor in the Endodontics department at his alma mater.
Dr. Seung is currently a trustee on the board of the Foundation of the American Association of Endodontists. He holds membership in the American Dental Association (ADA), American Association of Endodontists, Maryland State Dental Association (MSDA), Maryland Korean Dental Association, and the Edward C. Penick Endodontic Study Club.
A passion for personalized care guides Dr. Seung in his practice. He believes that everyone deserves access to top-quality endodontic surgery as needed and that services should always be provided in a warm and personable manner.
Patient education is woven into every visit to help patients take control of their dental health and wellness. Dr. Seung understands the stress and discomfort that frequently leads patients to his practice, and he strives to be caring and compassionate from the initial consultation through treatment and follow-up care.Meeting with Dr. Seung to explore endodontic surgical solutions begins with a simple phone call or a few moments on the online scheduling page.
Dr. Alexandra Woo was born and raised in Baltimore, Maryland and obtained her bachelor's degree in Molecular Biology at UMBC. She then went to Roseman University of Health Sciences where she received her Doctorate of Dental Medicine. Upon graduation she completed a hospital residency at Ohio State University College of Dentistry/Wexner Medical Center, where she continued to gain experience in treatment as well as managing medically compromised and special needs patients. She then continued her education in Graduate Endodontics at Ohio State University where she earned a Masters degree in Dental Sciences and certificate in Endodontics.
Dr. Woo was thrilled to come back to the Baltimore area to serve her community. She enjoys spending time with her family, going on hikes with her dog Pippen, and playing one of her many musical instruments.
Dr. Alexandra Woo was born and raised in Baltimore, Maryland and obtained her bachelor's degree in Molecular Biology at UMBC. She then went to Roseman University of Health Sciences where she received her Doctorate of Dental Medicine. Upon graduation she completed a hospital residency at Ohio State University College of Dentistry/Wexner Medical Center, where she continued to gain experience in treatment as well as managing medically compromised and special needs patients. She then continued her education in Graduate Endodontics at Ohio State University where she earned a Masters degree in Dental Sciences and certificate in Endodontics.
Dr. Woo was thrilled to come back to the Baltimore area to serve her community. She enjoys spending time with her family, going on hikes with her dog Pippen, and playing one of her many musical instruments.
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