Meet the Team
Deborah K. Tabb, D.D.S., P.C.
General and Cosmetic Dentistry
Dr. Deborah Tabb graduated in the upper 5% of her class, from the Medical College of Virginia in 1982, where she was honored to receive advanced awards for outstanding performance in endodontics, periodontics, and oral surgery. These prestigious awards validated her clinical talent, which she is recognized for today. She is a member of the American Dental Association, the Southern Maryland Dental Society, the Academy of General Dentistry and the Potomac Valley Dental Study Club.
Learn More About the DoctorIvelisse Cuevas, D.D.S.
General and Cosmetic Dentistry
Dr. Cuevas graduated with magna cum laude honors from Georgetown University School of Dentistry in 1990. Following her dental education, she completed a prestigious General Practice Residency at the Veteran’s Administration Hospital in Washington, DC. Since 1992, Dr. Cuevas has provided exceptional dental care in her private practice in Bethesda.
With over 33 years of experience, Dr. Cuevas is passionate about helping her patients achieve and maintain optimal oral health. She deeply values the lasting relationships she has built with her patients, many of whom have been with her since the beginning of her career.
Dr. Cuevas is highly regarded in the community, consistently receiving top ratings in Washington Consumers' Checkbook Magazine. She has also been recognized as a top dentist in both Washingtonian and Bethesda magazines. Fluent in Spanish and knowledgeable in French, Dr. Cuevas is able to connect with a diverse range of patients.
Outside of her practice, Dr. Cuevas enjoys spending time outdoors, staying fit, and cherishing moments with her husband and their dog, Archie. Now that her children are grown, she embraces the opportunity to explore new hobbies and adventures.
Catherine Palandjian, D.D.S., R.D.
General and Cosmetic Dentistry
Dr. Catherine Palandjian maintains her practice at Bethesda Family Dentistry because she knows that her patients will be offered a range of comprehensive dental services with a focus on cosmetic, implant, and reconstructive dentistry. Dr. Palandjian realizes just how important it is to link with a clinician who can address immediate dental concerns, perhaps a painful crisis, but also one who can help construct a future plan to continue your dental and oral health for years to come.
Learn More About the DoctorRebecca Mostatab, D.M.D.
General and Cosmetic Dentistry
Dr Rebecca Mostatab is a graduate of Kornberg School of Dentistry, in Philadelphia, Pa., in 1991. She has completed a general practice residency at University of Pennsylvania in 1992. As a seasoned dentist for over 3 decades, she has had extensive training and experience in Crown and Bridge, Oral Surgery, Cosmetic Dentistry, Invisalign, implant placement and restoration, Laser Peridontal Treatment, Root Canals, Overdentures, and so on. She continues her training in all the new and improved aspects of dentistry and takes part in dental conferences all over the United States in order to stay updated with advances in technology and new skills.
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Christine K. Sullivan, D.D.S.
General and Cosmetic Dentistry
Dr. Christine Sullivan has been practicing in the Bethesda and Rockville area for over twenty five years. Dr. Sullivan received her Bachelor of Science in Biology from the University of Minnesota, St. Paul, and her Doctor of Dental Surgery degree from the School of Dentistry at the University of Minnesota, with honors. Her passion is providing compassionate, comprehensive, excellent care to patients with respect and concern for their overall health. She has extensive background in restorative dentistry, including implant restorations, tooth-colored fillings, porcelain veneers, crowns, bridges, dentures and partials.
Learn More About the DoctorSeth Dubin, DMD, MS
General and Cosmetic Dentistry
Dr. Dubin received his Doctor of Dental Medicine degree from the University of Pennsylvania School of Dental Medicine, where he was a member of the Psi Omega Dental Fraternity. Holding a Master of Science degree in Biomedical Sciences from Barry University, College of Health Science. Dr. Dubin earned his undergraduate degree at The Ohio State University. Following the completion of his education, Dr. Dubin entered a residency program at the Veterans Hospital of Hudson Valley Healthcare in New York where he perfected his skills caring for the aged and infirmed. Dr. Dubin then entered private practice in New York before relocating to the Washington, DC area.
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Kate Nematollahi, DDS
General and Cosmetic Dentistry
Dr. Nematollahi graduated from The University of Maryland College Park with a B.S. in General Biological Sciences and earned a D.D.S. from The University of Maryland Dental School in Baltimore. She received special training and certification in Advanced Education in General Dentistry from The University of Michigan. In that 2-year Post-doc program, she received specialized training in utilizing Cerec CAD/CAM technology. She contributed to clinical research projects and participated in an exchange program with the University of Zurich. For 12 years, she owned and managed a dental practice in downtown Bethesda, delivering high-quality, state-of-the-art dental care.
Learn More About the DoctorNicholas Leon-Guerrero, D.D.S.
Endodontist
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.
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Sanaz Vahid, D.D.S.
Periodontics
Dr. Vahid is a highly trained periodontist. She received her doctorate of dental surgery from the University of Maryland Baltimore College of Dentistry. After she continued her training and received a degree in Advanced Education in General Dentistry from the University of Pittsburgh. Following this year she continued to pursue her passion in dentistry and completed her training in the specialty of Periodontics at the University of Pittsburgh School of Dental Medicine. We are thrilled to welcome Dr. Vahid to the dental staff of Bethesda Family Dentistry.
Learn More About the DoctorMatthew Gramkee, D.D.S., M.S.
Periodontics
Dr. Gramkee brings a diverse base of experience in general dentistry and periodontics to our Bethesda Family Dentistry staff. He is committed to excellence and patient satisfaction. After graduating dental school, he joined the U.S. Navy served as a Dental Officer for over 20 years before retiring at the rank of Captain. He served on the USS Constellation (CV-64) and overseas locations as a General Dentist for seven years.
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