Mahshid Majlessi Koopaeei, DMD, MSC

Dentist & Endodontist located in Washington, DC & Gaithersburg, MD

About Dr. Majlessi Koopaeei

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. 

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,  Office of Mahshid  Majlessi Koopaeei, DMD, MSC

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. 


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Accepted Insurance Providers

Please contact our office directly for any coverage-related questions. Thank you.

Aetna PPO
Cigna PPO
Delta Dental Premier
GEHA Connection Dental
Guardian PPO
United Concordia