Our Dentists

Wayne W. Lee, DDS, DICOI

General Dentist & Implantologist

Dr. Lee has been practicing general dentistry in the San Francisco Bay Area since 1999.  He started the San Francisco practice in 2001, serving the diverse Richmond community.  Dr. Lee enjoys all aspects of general dentistry with the emphasis on oral surgery and conservative cosmetic dentistry.  He continues to look for opportunities to better his skill by participating in the American Dental Association, California Dental Association, San Francisco Dental Society, and taking continuing education courses.  Dr. Lee's unique approach to his patients was born out of his unique upbringing and education.  He was born in Taiwan and came to the US after finishing elementary school.  His father is also a practicing dentist in Taiwan and has instilled in Dr. Lee a strong work ethic and advocacy for his patients.  Dr. Lee is fluent in English, Mandarin Chinese, and Taiwanese and is culturally sensitive to each of his patients.

Dr. Lee graduated with honors from the University of California, Irvine in 1995 with a bachelor of science in biology.  He also graduated from the University of California, San Francisco with honors with a degree in doctor of dental surgery (DDS) in 1999.  To broaden the scope of his practice, he attended The University of Miami's implant continuum and received his Fellowship from the International Congress of Oral Implantologists (ICOI) in 2003.  In 2015, he received the Diplomate credential, the highest credential, of the ICOI.  Dr. Lee takes time to listen to each of his patient's needs and caters his treatment plans to meet the patient where they are.  He enjoys seeing his patients satisfied with the work that he has done and looks forward to maintaining a long-term relationship with each of his patients and their family. 

Dr. Lee is married and has three kids that he adores.  He enjoys scuba diving, traveling, tennis, swimming, and skiing with his family and friends.  He is also actively involved with his church and the community.  Please ask him about what he loves most about the ocean when you see him.

Christina Liao, DDS

General Dentist

Known for her gentle touch, Dr. Liao focuses on providing comfort and the best care to all her patients. She is an active member of the California Dental Association, the San Francisco Dental Society, and the American Dental Association. Dr. Liao graduated with honors from the University of California, Los Angeles in 2000, majoring in psychobiology.  She received her dental degree from UCSF School of Dentistry in 2005. In addition, she completed a general dental residency program in New York in 2006. 

After practicing in New York City for 3 years, Dr. Liao decided to make the move back to San Francisco in 2009 and has enjoyed being back in California and serving the San Francisco Bay Area’s diverse population. She has been a member of Dr. Wayne Lee’s office since early 2009 and has been blessed to be a part of his team. Dr. Liao shares Dr. Lee’s practice philosophy that patients are precious and that we are here to meet their needs.

During her free time, Dr. Liao enjoys traveling, enjoying good eats, photography, and exploring the Bay Area. One of Dr. Liao’s goals in life is to visit all seven continents around the world and she has only one left to go. Please ask her about her travels when you see her.

Andy Duong, DDS

General Dentist

Dr. Duong is a general dentist practicing with Dr. Lee since 2007.  Dr. Lee and Dr. Duong share the same practice philosophy that patients are precious and doctors serve to meet their needs.  Dr. Duong worked several years in the customer service industry prior to becoming a dentist.  He strives for “5 star” service, which includes treating all patients like a member of his family. Many people avoid the dentist because of the fear of pain.  Dr. Duong has unique techniques to minimize pain for a comfortable experience. 

Dr. Duong received his dental degree from the University of the Pacific School of Dentistry in 2006.  He elected to do a year in an Advanced Education in General Dentistry residency program after graduation to further his knowledge and training.   He maintains membership in ADA, CDA, SFDS, and AGD.   

Some of Dr. Duong’s hobbies are experiencing different restaurants, traveling, singing, and seeking adventures.  Please ask him about his favorite restaurants when you see him.

Jessica Lam, DDS

General Dentist

Dr. Lam is a general dentist who has recently joined Dr. Lee’s office in 2019. With the goal of saving the world one smile at a time, Dr. Lam has great compassion for her patients and serves to meet the patients’ needs. She shares the office’s philosophy that patients are precious and is dedicated to spending time making sure all questions are answered and all procedures are understood.

Dr. Lam graduated summa cum laude from San Francisco State University as a biochemistry major and received her dental degree from the University of California, San Francisco. She is an active member of the community, and is a member of the American Dental Association, California Dental Association and the San Francisco Dental Association.

When not doing dentistry, Dr. Lam enjoys watching shows and movies, running, listening and singing along to music and eating. Please ask her about her favorite shows and movies when you see her.

Melody Sitlin, DDS

General Dentist

Dr. Sitlin is a general dentist who earned her DDS degree from UCSF School of Dentistry. She completed her undergraduate degree at UC Davis in Biological Systems Engineering and elected to complete an Advanced Education in General Dentistry residency with NYU Langone’s (formerly Lutheran Medical Center) affiliated site in San Francisco.

Born and raised in the Bay Area, Dr. Sitlin’s heart for the community’s dental needs started over 10 years ago when she worked closely with dentists on a medical/dental mission trip and saw the confidence and joy the dentists’ work brought about in their patients. She continued pursuing opportunities to serve both locally and abroad through local community clinics and events, such as CDA Cares, UCSF’s Community Dental Clinic, and multiple dental mission trips to Asia and South America. She has also completed multiple research projects in dental science and dental education and has been published in Nature’s Scientific Reports Journal. Dr. Sitlin focuses on providing informed, quality care to her patients. She enjoys working with patients towards effective and lasting solutions and is excited to surround herself with people who are dedicated to excellence in patient care. Dr. Sitlin looks forward to meeting her patients and making them feel like a part of the family.

In her spare time, you will find her spending time with family and friends over TV shows, good food, or board games. She also loves Star Wars, Lord of the Rings, mechanical keyboards, and wristwatches.

Tabitha Chen, DDS


Dr. Chen is a periodontist, a specialist in the treatment of gum disease. Periodontitis affects the foundation that surrounds teeth (i.e. bone loss). The periodontal disease afflicts many but is often not clearly understood. She wishes to educate and empower her patients to sustain their health gums. She also provides treatment and care to those suffering from periodontal disease and guides them back to health.

Dr. Chen spent her early years in Taiwan and relocated with her family to Northern California. She is proud to identify herself as a native of the East Bay.

Dr. Chen graduated from UCLA with a major in Microbiology. Dr. Chen was excited to return to the Bay Area to attend UCSF School of Dentistry. Dr. Chen was accepted into the prestigious UCLA Post-graduate periodontics and Implant surgery program, where she spent three years learning biology, treatment, and outcomes of periodontal disease along with the philosophy and techniques in implantology. She is an active member of the American Academy of Periodontology, American Dental Association, and California Dental Association.

Dr. Chen speaks Mandarin, enjoys volunteering and participates in community dental health events. In her free time, she likes to explore local eateries and spend as much time outside as the San Francisco sun allows. She also enjoys kicking back and watching television at home. Please ask her about her current favorite television shows when you see her.

Jeff Ding, DDS


Dr. Ding is a dentist specialized in providing orthodontic care.  Dr. Ding received his dental degree at University of California, San Francisco.  After receiving his dental degree, Dr. Ding practiced family dentistry and provided comprehensive dental care in the East Bay communities for seven years.  While in practice, Dr. Ding took numerous continuing education programs in orthodontics but felt unequipped to provide the best orthodontic care possible for his patients.  In the seventh year of practice, Dr. Ding made the difficult decision to return to dental school full time to pursue an advanced education in orthodontics.

Dr. Ding attended New York University, one of the most clinically rigorous orthodontic specialty programs in the United States.  Dr. Ding is a board eligible orthodontist with specialty accreditation recognized by American Dental Association (ADA), American Board of Orthodontics (ABO), and American Association of Orthodontists (AAO).  Dr. Ding is a member of ADA, AAO, California Dental Association, and local member of Berkeley Dental Society. 

Throughout his dental career, Dr. Ding has ascribed to the value of providing the best treatment possible for his patients.  To this end, Dr. Ding has kept abreast of the latest studies and treatment methodologies by attending numerous continuing education programs and by maintaining close affiliations with local dental schools.  Dr. Ding currently serves as an adjunct professor in the Department of Orthodontics at the University of Pacific, School of Dentistry, providing clinical instruction in Invisalign treatment to dental students.

Dr. Ding is married and has two sons.  His hobbies include spending time with his family, hiking, camping, watching Japanese dramas, and reading science fiction novels.  Please ask him about his favorite novels or dramas when you see him.

Bing Elliot Xia, DDS


Dr. Xia graduated with honors from the University of the Pacific, Arthur A. Dugoni  School of Dentistry in San Francisco. In total, Dr. Bing Elliot Xia has over 12 years of professional dental education and has been honored numerous times. He is a general dentist with post-graduate (PhD) training in orthodontics. Experienced in orthodontic treatment for both children as well as adults, he can provide you with the sound advice and practical options needed to maintain or restore a healthy and beautiful smile.

In his effort to keep abreast of the latest techniques in orthodontics, Dr. Bing Elliot Xia is now able to offer patients a wide range of appliance options which not only provide patients with quicker and more efficient orthodontic treatment, but also take into account the growing demand among patients, especially adults, for non-metal, more natural looking orthodontic appliances. These options include non-staining tooth-colored braces, as well as two relatively new breakthroughs in the science of orthodontics – Invisalign and lingual braces.

Dr. Xia thoroughly enjoys working with both children and adults to create beautiful smiles. It is his goal to create an enjoyable, relaxed atmosphere in which he is able to provide the highest quality orthodontics care available. In order to ensure that he is up to date on the latest technology, he has spent hundreds of hours in continuing education seminars, conferences, and meetings including:

  • Experience the Difference: Low Force, Low Friction Orthodontics by Dr. Alan Bagen
  • From Survival to Success by Kerry Straine
  • Advanced Orthodontic Seminar by Dr. Alexander
  • TMJ and Straightwire Orthodontics
  • Lingual Appliances, a Typodont Workshop for Orthodontists, Indiana University
  • Invisalign Workshop in Washington D.C.
  • Advanced Esthetics for the 21st century, Dentsply

Dr. Xia is an active member of the dental community at large and is a member of the following professional organizations: American Dental Association, American Orthodontic Society, California Dental Association, San Francisco Dental Society, and the Alameda Dental Society.

Dr. Xia and his wife Ann Pedone live with their three children Mary, Emerson, and Julia in San Francisco. Dr. Bing Elliot Xia's wife, who is also his office manager, has a Bachelors degree in English literature from Bard College and a Masters degree in East Asian Language and Literature from UC Berkeley. They enjoy spending time together as a family, traveling, and spending time in the City.