About Your Dentist

Kiumars Karbasi, DDS

Dr. Kiumars Karbasi welcomes you and your family to the practice. The foundation of the practice is based on family values that Dr. Karbasi brought to the Lake Ridge Dental Care team. He looks forward to meeting you and your family and having you all as his patients.

Dr. Karbasi received his dental training from the prestigious University of Amsterdam, Netherlands, in 2004. Attending one of the top international centers for dental research, he graduated with a Doctor of Dental Surgery Degree and received his Master’s in Dental Science. Following graduation, Dr. Karbasi established practice in Amsterdam, where he practiced with multi-specialty doctors in dentistry.

In 2010, he left Amsterdam to further his education at a two-year residency program of Advanced Education in General Dentistry in Rochester, New York. During his residency in New York, Dr. Karbasi was able to learn from world-renowned dentists serving as mentors, teachers, and lecturers. He also participated in research projects involving placing and restoring dental implants as well as the effect of acid erosion on our teeth in all age groups.

Dr. Karbasi also received his certificate from New York University, College of Dentistry, in full-mouth reconstruction. He has completed education classes dealing with full mouth rehabilitation techniques at some of the top dental learning institutions in the country.

Dr. Karbasi is always looking for ways to advance his education and pass his knowledge onto others. He is a member of the American Dental Association, Northern Virginia Dental Association, and the nationally recognized Dental Organization for Conscious Sedation.

While not at the office or furthering his education, Dr. Karbasi is devoted to his family, wife Emma, and his two children, Rose and Nick. He also enjoys playing tennis as well as traveling.

Phi Nguyen, DDS

My Mission

“Through patient education and communication, I wish to alleviate patients' dental anxiety and provide them with an equal opportunity towards good oral health. I believe that dentistry is not only a literal art form but also an opportunity for personal growth through different approaches catered towards each individual. Regardless of time and procedure, I hope to impact patients' lives and manifest their confidence through a healthy smile.”

Education & Continuing Education

Howard University College of Dentistry – Washington, District of Columbia
Doctor of Dental Surgery

University of Maryland – College Park, Maryland
Bachelor of Science in Neurobiology and Physiology

In addition to his collegiate and doctoral studies, Dr. Nguyen has also completed his General Practice Residency at New York University Langone Brooklyn in 2020.

Life & Hobbies

Dr. Nguyen is a native of the DMV area, born and raised in Silver Spring, Maryland. Since his early childhood, Dr. Nguyen has always been invested in the arts and desired to create an impact through it. He was fortunate enough to find the mentorship that would allow him to realize that dentistry could actualize that positive change; through a combination of artistry, esthetics, education, and genuine interaction, he would aim to achieve this dream.  

He graduated from the University of Maryland College Park in 2014, where he obtained a Bachelor's of Science degree in Neurobiology and Physiology. Shortly after, he attended Howard University College of Dentistry, where he gained a great deal of experience with community service involvement and graduated in 2019. His desire to further improve his standard of care led him to joining the General Practice Residency program at NYU Langone Hospital in Brooklyn. During this time, he trained under the tutelage of a diversity of dental specialists while treating patients with various medical conditions and assisting in redeployment of providers during the onset of the pandemic. With his continued commitment to patient care, Dr. Nguyen is also dedicated to staying up to date with the latest advancements in dental technology and techniques. He regularly attends educational seminars and conferences to expand his knowledge and skills so that he can provide his patients with the best possible care. 

To Dr. Nguyen, dentistry is not just about fixing problems–rather it is about empowering his patients by educating them on how those issues can occur and working with them to find a solution. He understands that every patient has unique dental needs and concerns, and he approaches each case with a personalized touch. He takes a proactive approach to dental care, working with his patients to develop treatment plans that focus on preventative measures. Through this collaboration, Dr. Nguyen hopes to not only restore your smile but also enhance your confidence and overall well-being.

In his free time, he enjoys artistic pursuits such as dancing, playing the piano, drawing and photography. He also is an avid listener of music and is always open to suggestions of new sounds, especially if it puts you at ease.

Khaled Katmeh, DDS

My Mission

“My mission is to improve the health and quality of life for my patients in our community.”

Education & Continuing Education

Dr. Katmeh received his dental degree from Syria. After finishing his degree, he moved to the states, where he conducted research in many fields of dentistry, including Orthodontics and Periodontics. Dr. Katmeh then started his residency in Periodontology and Implantology at the University at Buffalo School of Dental Medicine. During his residency program, he additionally obtained a master’s degree in the field of Biomaterials, winning multiple research awards for his thesis, Non-Contact Index of Periodontal Inflammation. After completion of his specialty in Periodontics and the master’s in Biomaterials, Dr. Katmeh completed a one-year fellowship in Implant Dentistry, where he treated more complex surgical cases and became involved in the restorative phase of implant treatment. He started teaching and supervising periodontal residents at the University at Buffalo School of Dental Medicine during this time and continued to teach for about a year before moving to private practice.

Life & Hobbies

When he is not working, Dr. Katmeh enjoys cooking, playing soccer, and spending time with his beautiful wife and two children, Nahla and Younis.