Meet Doctors
2019 Washingtonian Magazine - Best Dentist
Dr. Richard Sun
Dr. Richard Sun is a distinguished and highly respected dentist, that has been serving the dental needs of the DC metro area for over 20 years now.  He received his BS in Biology at the University of Illinois at Urbana-Champaign and continued his studies toward a dental doctorate from the University of Illinois at Chicago Dental School.  While at dental school, Dr. Sun was selected to a periodontal externship focusing on periodontal surgery. 

Dr. Sun’s personal approach to dentistry, along with his detailed pursuit of excellence has established him as a health care provider that you can trust and depend on for the utmost quality of care.  He has been recognized as one of the top dentists in the Washington DC Area designated by Washingtonian Magazine and America’s “Top Dentist” by the Consumer’s Research Council.  Along with publishing various articles in local newpapers, he finds great reward in volunteering for such organizations as Mission of Mercy.

Dr. Sun stresses advanced education to pursue the latest techiniques and technologies in both general and cosmetic dentistry.  His participation and passion allows him to provide the most comprehensive care, from simple fillings to implant placement. 

Dr. Sun prides himself on really listening to every patient, and forming treatment plans to fit there individual needs.  He views every patient, as a patient for life and values there commitment to proper care.  Dr. Sun is fluent in both English and Chinese Mandarin.

Dr. Sun’s life is highlighted by his beautiful wife and 3 lovely daughters. 

He enjoys playing sports like basketball, golf and tennis.  Is an avid traveler and cherishes every minute he gets to spend with his family.

Dr. Sun is an active member of:

  • Advanced Education at Dawson Academy and Spear Education
  • American Dental Association
  • American Academy of Implant Dentistry
  • American Academy of Cosmetic Dentistry
  • American Association of Endodontists
  • Academy of General Dentistry
  • Maryland State Dental Association
  • Southern Maryland Dental Society
  • International Congress of Oral Implantologists
Dr. Kelley Hu
Dr. Kelley Hu
Dr. Kelley Hu is a native Marylander, originally from Frederick County. She went west for her undergraduate education to University of California, Los Angeles where she earned her Bachelor of Science degree in Molecular Biology. She returned home to attend the University of Maryland School of Dentistry and graduated in 2005. Striving for excellence, Dr. Hu pursued an optional additional year of advanced dental training in a General Practice Residency at York Hospital in Pennsylvania.
Dr. Hu believes strongly in the value on continuing education and has taken extensive courses with Spear Education and is a member of the Chinese Study Dental Club.
In addition to private practice, Dr. Hu has worked in local public health dentistry where she helped provide much-needed dental treatment to populations, young and old, who had no access to care.
Dr. Hu feels privileged to be a part of the dental community and prides herself on taking the time to understanding her patients’ needs and exceeding their expectations.
There is nothing more satisfying that helping a patient attain a healthy smile or have more confidence in their smile”, she says. “It is the best part of my job.”
Dr. Hu resides in the Rockville area with her husband and her three energetic young boys. In her spare time she enjoys fitness and yoga.
Dr. Chun Tan
Dr. Sicong Li
Dr. Sicong Li is an enthusiastic and energetic dentist who is a newcomer to Maryland. She completed her undergraduate studies at St. Louis University and continued her studies at the Harvard School of Dental Medicine where she excelled at all aspects of general dentistry and especially enjoyed developing long lasting relationships with her patients. She graduated with Honors in Clinical Dentistry and was awarded the student merit award in Prosthodontics. She continued to advance her clinical training at a General Practice Residency at the Baltimore Veteran's Affair Hospital where she learned to treat patients with compromised medical history. She is an active member of the ADA and AGD. Throughout her journey, she has always believed in treating patients with the utmost compassion and always striving to create a safe and comfortable environment for her patients.
Outside of dentistry, Dr. Li enjoys cooking, photography, fitness, dancing, and exploring new places in Maryland!