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Meet the DoctorsAvanti Dentistry

More information about our dentists and specialists are listed below. You can also contact us at (703) 763-1301 if you'd like to speak with one of our friendly team.

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Dr. Farshad Farhoumand

Dr. Farshad Farhoumand

Farshad Farhoumand, DDS

Dr. Farshad Farhoumand was born in Tehran, Iran. He grew up in Ethiopia where he attended Italian and American schools. After going to college in Pittsburgh, Pennsylvania, Dr. Farhoumand graduated from Georgetown University’s School of Dentistry in 1976. He is an active member of the prestigious Seattle Study Club, a leading institute for the advancement of dentistry.

What makes Dr. Farshad so unique is that he has always kept current with the latest innovations, and he incorporates what he finds important and relevant into his practice. He makes dental care convenient for his patients by delivering crowns and bridges in a single appointment through the use of CEREC® technology, a sophisticated tool that produces perfect-fitting esthetic restorations. Dr. Farshad is certified in placing dental implants, and he has placed several hundreds of successful implants throughout his career. What’s more is that he is available to treat all types of dental concerns, from aesthetic treatments to reconstructive dental procedures. He was selected as one of America's Top Dentists of 2013 and won the Best of Vienna 2012 Award in General & Cosmetic Dentistry. Dr. Farhoumand is recognized among the Top Dentists in Northern Virginia area, and appears as a guest expert on the TOP Doctors Medical Interviews, which can be seen on CNN, FOX News, Bravo, and MSNBC.

In his 35 years of practice, Dr. Farhoumand has continued his father’s legacy, who was also a dentist, by welcoming patients from all walks of life and cultural backgrounds. Fluent in many languages including Farsi, Italian, French, Amharic, and Spanish, his ability to communicate with his patients in their own language allows his patients to make informed decisions about their dental treatment. Dr. Farhoumand resides in Great Falls, Virginia with his wife. He enjoys music, hiking, and traveling.

Dr. Bita Amanda Farhoumand

Bita Farhoumand, DDS

Dr. Bita Amanda Farhoumand is a Board Certified Periodontist and Implantologist. She earned her Bachelor of Arts in Biology with Distinction from the University of Virginia, and attended UCLA School of Dentistry where she received her Doctorate of Dental Surgery. During her time in dental school, she was involved in two implant studies at the Department of Periodontics and the Weintraub Center for Reconstructive Biotechnology and Department of Advanced Prosthodontics. She is also an active member of the American Academy of Periodontology, the Northeastern Society of Periodontists, and the Virginia Society of Periodontists.

Dr. Bita received her Certificate in Periodontics from New York University Post-Graduate Program in Periodontology and Implant Dentistry in 2013. She has received extensive training in the areas of esthetic and functional crown lengthening, esthetic root coverage procedures, periodontal bone regeneration and pocket reduction surgery, minimally traumatic surgical extraction therapy with socket repair grafting, all aspects of simple through complex dental implant therapy, and the full scope of ridge and sinus grafting.

Dr. Bita was a presenter at Jay Siebert Tri-school Symposium in Boston, MA. She was featured as a guest expert on Top Doctors Medical Interviews in 2013 and 2014, which was broadcasted on CNN, FOX News, Bravo, and MSNBC. She received the "Best of Vienna Award" for Periodontics & Implant dentistry in 2012, the Patient’s Choice Award in 2015, and the Top Doctor Award for Periodontics & Implant Dentistry for 2016 and 2017. Dr. Bita has also been involved in teaching: after her training she served some time as Clinical Assistant Professor at New York University, College of Dentistry, and she is currently part of the Dental Implant Surgical Seminar as an Associate Clinical Professor at the University of Francisco Marroquin School of Dentistry in Guatemala. Dr. Bita also served as an expert-witness reviewer for a dental malpractice case in 2017.

Dr. Bita welcomes patients from all areas, and she is fluent in farsi and spanish. With her personalized, conservative, and caring approach to periodontal care, along with her gentle touch, she motivates her patients to keep up with their needed treatment and maintenance program in order to restore and maintain their overall health.

Click Here to View Dr. Bita Amanda Farhoumand 'Top Doctors Medical Interviews in 2013 and 2014

Dr. Fotini Chrisopoulos


Dr. Fotini Chrisopoulos

Fotini Chrisopoulos, DDS. MSC

Dr. Fotini Chrisopoulos, a board eligible specialist, a Prosthodontist, with advanced dental skills and exceptional chairside manner, through 8 years of advanced clinical practice and specialty training. She has completed advanced specialty training in cosmetic and implants dentistry, treatment of temporomandibular joint disorders, surgical implant placement, prosthetic treatment planning and execution of complex dental cases.

Her academic and professional dental career has been fulfilled with numerous awards and distinctions. She has been recognized as top USA dentist 2017, she has been selected by her dental peers as one of the Top 10 Prosthodontists in Northern Virginia in 2017, Top Prosthodontist in 2016 by the Northern Virginia Magazine and received the 2017.

Best of Springfield Virginia Awards for Cosmetic Dentists. As an expert in the implant dental field, she lectures internationally and has lectured at the main podium of the World Congress of the prestigious International Congress of Oral Implantologists (ICOI) in August 2017. ICOI is the world’s largest dental implant organization and the world’s largest provider of continuing dental implant education.

Dr. Chrisopoulos graduated first from the School of Dentistry of the Aristotle University of Thessaloniki in 2007, where she received awards for academic excellence upon completion of her studies. She completed a three-year postgraduate specialty program at Columbia University in New York, where she obtained also a Masters of Science degree in Prosthodontics from Columbia University in New York, where she graduated with honors. She then became Chief Fellow in the Implant Periodontal Prosthodontics Fellowship at the University of Maryland School of Dentistry. Dr Chrisopoulos has presented her research projects at numerous national and international dental meetings, and has been involved in teaching dental students as a Clinical Instructor since 2009. She is the recipient of a regional research award from the American College of Prosthodontics North East Section, as well as several scholarships and honorary awards. She is a member of the Northern Virginia Dental Society, American Dental Association, Virginia Dental Association, American College of Prosthodontics. With her genuine nature, has helped manage many patients with dental anxiety and phobia, and volunteers in programs that provide free dental treatment to people in need.

The scope of her life and career goals is summarized in an Aristotle saying: “We are what we repeatedly do. Excellence, then, is not an act, but a habit.”

Dr. Omid Dianat

Dr. Omid Dianat

Dr. Dianat completed his Doctorate in Dental Surgery (DDS) and Master of Science (MS) in Endodontics in 2005 and 2008 from Isfahan and Shahid Beheshti Universites of Medical Sciences in Iran. He was a full-time faculty member for 5 years and also ran a private practice limited to endodontics for 6 years before moving to the United States.

After moving, Dr. D. completed his second endodontic residency from the University of Maryland Dental School in 2020 and obtained a certificate and a master degree in dental science. He also received a research grant from the American Association of Endodontists (AAE). His research project studied “the accuracy and efficiency of a dynamic navigation system for locating calcified canals” and selected as the highest scoring proposal in 2018 grant cycle. Omid was also awarded “The Tony Michael Ponti Memorial Scholarship” once he was a senior year resident at UMB.

Dr. Dianat has published more than 45 endodontic clinical articles on different endodontic subjects mainly pain management, anesthesia, and regeneration. Dr. D.believes that it is essential to integrate advanced technology and evidence-based practice to provide the most effective treatments for his patients.

In his free time, he enjoys spending time with his family and friends, swimming, and biking.

Dr. Arash Mehrnama

Dr. Arash Mehrnama

Dr. Arash grew up in the DC Metropolitan area. Prior to moving to New York City for dental school, he attended George Mason University where he obtained a Bachelor of Arts degree in Biology. He went on to attend dental school at the New York University College of Dentistry. After spending four years in New York City for dental school and another year in North Carolina for an Advanced Education in General Dentistry residency, it was no question that he wanted to return to the area he calls home.

During his years in New York City and North Carolina, Dr. Arash had the opportunity to learn from mentors and colleagues that helped shape him into the dentist he is today. His goal in this profession is to build a connection with his patients and see what their dental goals are and to do what he can to help them achieve those goals.

In his free time, Dr. Arash enjoys working out, watching sports (Go Caps!), painting, playing guitar and singing, watching movies, and attending concerts. He also has a pet parrot who has been in his family since before he was born.

Dr. Arash is a member of the following organizations and study clubs:

  • Omicron Kappa Upsilon National Dental Honor Society
  • The Academy of General Dentistry
  • FacialArt Dental Forum Study Club
  • Greenbelt Oral Surgery Study Club
Dr. Sanjeev Bhatia

Oral & Maxillofacial Surgeon

Sanjeev Raj Bhatia DDS

Diplomate of American Board of Oral & Maxillofacial Surgery

Dr. Bhatia has been trained at leading centers in the world, including USA, England, and India. He completed his Residency training and Fellowship in Oral and Maxillofacial Surgery from The Brooklyn Hospital Center and associated Cornell School of Medical Sciences, New York. He received his Doctor of Dental Surgery from Loma Linda University, California, where he was elected to the Omicron Kappa Upsilon Honor society for his scholastic and clinical achievements. Before coming to USA he had completed his training and examinations in England to become a Fellow in Dental Surgery of The Royal College of Surgeons of England and Masters in Oral & Maxillofacial Surgery from King Georges’ Medical and Dental College, India.

He brings an extensive knowledge base and experience in Oral and Maxillofacial Surgery - especially in dental implants, bone preservation/augmentation, Orthognathic surgery. His areas of interest are reconstruction of edentulous arches based on advanced complex bone grafting and reconstructive procedures, 3-D treatment planning, pre-prosthetic, perio-plastic surgery and use of laser technology. He and his team are of the few of the specialists who perform "All on 4” - “teeth in a day” implant based full mouth reconstruction in this area.

To keep abreast with latest advances and have exchange of ideas with his peers, he maintains affiliation with various professional organizations. He is a Member American Association of Oral & Maxillofacial Surgeons, American Academy of Implant Dentistry, Academy of Osseointegration, He afflliated with Inova hospital Landsdowne, Va.

Dr. Kiyoun Kil, DDS

Dr. Kiyoun Kil, DDS

Ki Youn Kil, DDS, is a friendly and dedicated orthodontist who helps both kids and adults achieve healthy smiles. Dr. Kil earned his Doctor of Dental Surgery from South Korea. After relocating to the United States, he enrolled at New York University College of Dentistry in New York City. There, he completed advanced training in orthodontics and dental orthopedics. Throughout his training, Dr. Kil honed his skills in treating malocclusions with both comprehensive and interceptive orthodontics approaches.

Dr. Kil is active in his field and enjoys membership and participation in the American Association of Orthodontists and the Northeastern Society of Orthodontists. He’s passionate about connecting with his patients and enjoys seeing their confidence blossom as he improves their orthodontic conditions. He’s bilingual and able to communicate with his patients in both English and Korean.

During his spare time Dr. Kil likes to train in Muay Thai kickboxing, listen to music, and spend time with gouda, his sister’s four-year-old pug.

Dr. Christopher Drennen

Dr. Christopher Drennen

Dr. Christopher Drennen is a Board-Certified Periodontist who has treated thousands of patients over his 10+ years of practice. Originally from Brooklyn, NY from a Sicilian-Irish household, he grew up in Coral Springs and graduated from Nova Southeastern University College of Dental Medicine. He has received a Leadership Award from the International College of Dentists in addition to many other recognitions attained while serving as class president throughout all four years of dental school NSU-CDM.

After attaining his Doctor of Dental Medicine (D.M.D.) degree and Florida license to practice, Dr. Drennen pursued a post-graduate residency in Periodontology at Nova Southeastern University, College of Dental Medicine and was trained during his three-year residency in practicing comprehensive periodontal treatment, along with training in dental implant surgery.

His clinical research investigated differences in clinical and histological characteristics between Nobel Biocare NobelActive and NobelReplace dental implants. Dr. Drennen is published in the April 2012 issue of Compendium of Continuing Education in Dentistry through his research with colleagues entitled, 'A Modified Ridge Expansion Technique in the Maxilla.'

He has lectured at the Florida Association of Periodontists (FAP) meeting, and is a Board Certified Diplomate of the American Board of Periodontology, a Recognized Specialty of the American Dental Association.

In his free time, Dr. Drennen enjoys spending time with his family and playing the guitar & piano. He is fluent in English & Spanish, but can also speak conversational Romanian & Italian.

Dr. Bach Nguyen

Dr. Bach Nguyen

Dr. Bach Nguyen spent his childhood years in Vietnam and immigrated to the United States in 2003 where he attended George Mason University in Fairfax, VA. After earning a Bachelor of Science in Biology, he went on to earn a Doctor of Dental Surgery degree from Howard University College of Dentistry in Washington, DC.

As a dentist, Dr. Nguyen’s mission has always been to provide personalized comprehensive care with long-term success. He wholeheartedly believes that a smile is one of the most universal tools of communication, and is a strong advocate of preventative care. Patient’s comfort and safety are always his top priority and he makes certain that everyone will receive equal attention and care. Dr. Nguyen actively seeks new treatment modalities, advanced training, and the latest technology to enable him to provide more effective and conservative treatment. He is currently an active member of the American Dental Association, the Virginia Dental Association and the Academy of General Dentistry.

When not at the office, Dr. Nguyen enjoys family time and has a passion for art. He also loves traveling, technology, photography and is a huge foodie for all types of cuisines.