We know that our office is only as effective and as welcoming as the people who work in it, which is why we take pride in our friendly and well-trained team members! As a team, we are especially interested in making all our patients feel right at home! We put your needs first to achieve efficient and comprehensive treatment in a supportive and nurturing environment. We promise to speak candidly with you about possible treatments as well as any risks and associated costs of treatment, and how treatment can address your individual needs as a patient.

Our staff is uniquely trained and highly skilled, and we strive to provide energetic and fun-loving service to each patient. Our staff consists of team members with specialized training and multiple certifications, and each one of our team members has years of experience in treating patients with the highest level of care. We strive to stay abreast of the very latest in technology and advances by regularly attending continuing education courses and seminars.

To experience the difference that only a well-trained, professional and courteous team can deliver, schedule your appointment with our office today!

Myra

Practice Administrator

Em

Office Manager-Alexandria

Melissa

Office Manager-Falls Church

Wizie

Office Manager-Arlington

Chloe

Patient Care Coordinator

Mel

Patient Care Coordinator

Vanessa

Patient Care Coordinator

Judith

Billing Coordinator

Kim

Auxiliary Assistant

Razmin

Auxiliary Assistant

Cory

Dental Assistant

Marisol

Dental Assistant

Staci

Dental Assistant​

Carla

Dental Assistant

Maria

Dental Assistant

Kelly

Lead Dental Assistant

Nicholas Leon-Guerrero D.D.S

EDUCATION:

  • Bachelor of Science, University of the Pacific, Stocton, CA
  • Doctor of Dental Surgery, University of the Pacific Arthur A. Dugoni School of Dentistry, San Francisco, CA
  • General Practice Residency, Kings County Hospital Center, Brooklyn, NY
  • Certificate of Endodontics, Columbia University College of Dental Medicine, New York, NY

MEMBER, DENTISTRY:

  • American Dental Association
  • Virginia Dental Association
  • Northern Virginia Dental Society
  • Delta Sigma Delta Dental Fraternity

MEMBER, ENDODONTICS:

  • American Association of Endodontics

HONORS:

  • Board Eligible, American Board of Endodontics
  • Eagle Scout, Boy Scout of America
  • AAE Foundation Mission Outreach Participant

Frank Portell, D.M.D., M.S.

EDUCATION:

  • Doctor of Medical Dentistry, University of PuertRico, San Juan, PuertRico
  • Certificate of Endodontics, Walter Reed Army Medical Center, Washington, DC
  • Master of Science, George Washington University, Washington, DC

MEMBER, DENTISTRY:

  • American Dental Association
  • Virginia Dental Association
  • Northern Virginia Dental Society

MEMBER, ENDODONTICS

  • American Association of Endodontists
  • Virginia Academy of Endodontics (Past President)

HONORS:

  • Fellow of The American College of Dentistry
  • Fellow of The International College of Dentistry
  • Fellow of The Academy of General Dentistry
  • Pierre Fauchard Academy Fellow
  • Fellow of The Virginia Dental Association
  • Voted Top Endodontist by Northern Virginia Magazine
  • Voted Top Endodontist by Virginia Living Magazine
  • Voted Top Endodontist by Washingtonian Magazine

Nathan Schoenly, D.D.S.

EDUCATION:

  • Bachelor of Science, Saint Michael’s College, Burlington, VT
  • Bachelor of Arts, English Literature, Saint Michael’s College, Burlington, VT
  • Doctor of Dental Surgery, University of BuffalSchool of Dental Medicine, Buffalo, NY
  • Certificate of Endodontics, University of BuffalSchool of Dental Medicine, Buffalo, NY

MEMBER, DENTISTRY:

  • American Dental Association
  • Virginia Dental Association
  • Northern Virginia Dental Society
  • Korean American Dental Association
  • Alpha Omega Dental Fraternity

MEMBER, ENDODONTICS:

  • American Association of Endodontists
  • Virginia Academy of Endodontics
  • American Board of Endodontics
  • College of Diplomates of the American Board of Endodontics

HONORS:

  • Diplomate, American Board of Endodontics
  • Eagle Scout, Boy Scout of America

David Palmieri, D.M.D., M.S.

EDUCATION:

  • Bachelor of Science in Biology, University of Pittsburgh, Pittsburgh, PA
  • Doctor of Medicine in Dentistry, University of Pittsburgh, Pittsburgh, PA
  • Certificate of Endodontics, University of Pittsburgh, Pittsburgh, PA
  • Master of Science, University of Pittsburgh, Pittsburgh, PA

MEMBER, DENTISTRY:

  • American Dental Association
  • Virginia Dental Association
  • Northern Virginia Dental Society
  • Alexandria Dental Club (Past President)

MEMBER, ENDODONTICS:

  • American Association of Endodontists
  • Virginia Academy of Endodontics (Past President)
    Penick Endodontic Study Club
  • Seattle Study Club
  • Spear Study Club

HONORS:

  • Fellow of the Virginia Dental Association
  • Omicron Kappa Upsilon National Dental Honor Society
  • American Association of Endodontics Student Achievement Award
  • Pierre Fauchard Academy Fellow
  • Voted Top Endodontist by Northern Virginia Magazine
  • Voted Top Endodontist by Virginia Living Magazine
  • Voted Top Endodontist by Washingtonian Magazine
  • Voted Top Endodontist by Washington Consumer Checkbook Magazine
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