Our Doctors

Call 925-648-8580
  • San Ramon, CA - 11040 Bollinger Canyon Rd. Ste J - Pediatrics 94582
  • San Ramon, CA - 11040 Bollinger Canyon Rd. Suite k - Orthodontics 94582
  • San Ramon , CA - 11040 Bollinger Cyn Rd. Ste. I - General Practice 94582
  • Newark, CA - 1131 Newpark Mall 94560
  • Dublin, CA - 4101 Dublin Blvd Suite F - Pediatric 94568
  • Dublin, CA - 4101 Dublin Blvd. Suite E - Orthodontics 94568
  • Dublin , CA - 4101 Dublin Blvd. Suite D - General Practice 94568
  • 925-648-8580 | San Ramon, CA - 11040 Bollinger Canyon Rd. Ste J - Pediatrics
  • 925-648-8588 | San Ramon, CA - 11040 Bollinger Canyon Rd. Suite k - Orthodontics
  • 925-648-8881 | San Ramon , CA - 11040 Bollinger Cyn Rd. Ste. I - General Practice
  • 510-796-8888 | Newark, CA - 1131 Newpark Mall
  • 925-803-6880 | Dublin, CA - 4101 Dublin Blvd Suite F - Pediatric
  • 925-803-5888 | Dublin, CA - 4101 Dublin Blvd. Suite E - Orthodontics

Dr. Alexandra Glants

Dr Alexandra Glants specializes in General and Cosmetic Dentistry. She joined our amazing team in July of 2019. Dr Glants practices at both our San Ramon and Dublin locations. Dr Glants graduated from University of Medicine and Dentistry of New Jersey in 2003. She has achieved many certificates and awards throughout her dental career including: Invisalign Certification, Align Tech Institute, World Clinical Laser Institute Associate Fellowship Certification Botox Training Course, American Academy of Facial Aesthetics, Conscious Sedation Course, NYU and DOCS Education.

Dr Glants's love for her job derives from the art of making patients feel at ease and laugh when they are in an apprehensive state. Dr Glants does not look at her patients as patients but more in the realm of close friends and family.

Dr Glants’s Dental Philosophy: “Often times, treating a particular problem in isolation is warranted, but I strive to assess the patient’s whole health and tailor a treatment plan to fit their goals and lifestyle. Creating proper teeth alignment is the best preventive treatment that will ensure a healthy bite and tooth longevity along with increased self esteem.”

When Dr. Glants is not doing what she loves; she is spending time with her niece whom she absolutely adores. She also takes up hobbies that open up her creativity and mind such as drawing, hiking and occasionally watching up to an hour of Netflix. 


Dr. Henry Ma

Dr. Ma combines technological innovation with genuine compassion to provide his patients with outstanding quality care. He thoroughly explains the best treatment options for each individual and focuses on minimizing dental anxiety and discomfort throughout the entire visit.

Dr. Ma is an active member of the American Association of Endodontists, the California Dental Association, and the American Dental Association.

In his free time, he enjoys training Brazilian jiu-jitsu, playing basketball, cooking, and coaching high school wrestling. 


Dr. Evelina Dragneva

Dr. Evelina Dragneva was born in Bulgaria and moved to the USA in 1993. She is a graduate of the University of Pennsylvania School of Dental Medicine.

Dr. Dragneva is a former teaching and clinical instructor in general restorative and preclinical laboratory at the University of Pennsylvania Dental School. She received certifications from the prestigious Rosenthal Institute for Aesthetic Dentistry at New York University, Dental Organization for Conscious Sedation and Implant Dentistry.

Dr. Dragneva is passionate about dentistry and takes pride in providing excellent patient care in a warm and gentle manner. She has tremendous knowledge in cosmetic dentistry (Lumineers, veneers) and dental implants. Her goal is to focus on building long-term relationships with her patients. She is dedicated to providing patients with healthy teeth and beautiful smiles in an environment where they can feel completely comfortable.

Dr. Dragneva is an active member of the American Dental Association and the California Dental Associations. She has been named Top Dentist in CT from 2010-2017. Dr. Dragneva is married to Dr. Levon Tchakmakjian, MD. They have three children. In her free time, she enjoys traveling and spending quality time with her family.


Dr. Lily Chen

Lily Chen, DDS, provides preventive, cosmetic and restorative dental services as well as emergency dental care for the whole family. Dr. Chen offers thorough dental examinations and smile assessments, periodontal (gum) therapy, fillings, crowns, bridges, dentures, partials, teeth whitening, veneers, extractions, implant restorations, mouthguards, and root canal therapy.

 Dr. Chen earned her dental degree at the University of Indiana School of Dentistry in Indianapolis and her undergraduate degree from University of California, Davis. She is fluent in English and Mandarin Chinese. Dr. Chen spent ten years in Indiana prior to moving back to California. In her spare time, she enjoys painting, playing the piano, trying new restaurants, and spending time with family. She likes to travel and has a goal of visiting all 50 states.

 Everyone smiles in the same language and Dr. Chen takes great pride in giving patients smiles they can be proud of. She is very passionate about helping patients maintain their oral health and will do whatever it takes to ensure their dental concerns are addressed 


Dr. Kai Lei

Dr. Kai Lei is a board certified Periodontist.  He grew up in San Diego and moved to San Francisco when he attended UCSF for dental school.  After dental school, Dr. Lei pursued a specialty training program in Boston at Tufts University.  After his residency training, Dr. Lei was able to complete his written and oral board certification in Periodontology and Implant Surgery. 

In his free time, Dr. Lei enjoys hiking, photography and reading. 


Dr. Margaret R Santiago

Dr. Margaret Santiago is a gentle and compassionate Pediatric Dentist. She believes strongly in providing the best quality dental care as well as creating a comforting experience for children.  Her goal is to make every child’s dental experience positive and fun. She believes strongly in educating her patients and their family on preventative dentistry and oral hygiene in order to cultivate positive attitudes toward oral health.  

Dr. Santiago earned her Bachelor of Science in Psychology at the University of Illinois Urbana-Champaign and her Doctor of Dental Surgery (DDS) at Northwestern University in Chicago. She then completed her pediatric dentistry residency at the University of Southern California and Children’s Hospital of Los Angeles.

She is a member of the American Academy of Pediatric Dentistry and the California Society of Pediatric Dentistry. Dr Santiago has also served as an associate clinical professor in the department Pediatric Dentistry at the University of Illinois at Chicago‘s Dental School.

In her personal time, Dr. Santiago likes to spend time with her husband, son and their dog Wrigley. She enjoys many outdoor and sporting activities like hiking and camping. She is also very involved in her son’s soccer and baseball teams. Dr. Santiago and her family have a passion for traveling and experiencing different cultures. She is also an avid sports fan and loves attending Warrior’s and A’s games


Dr. Amy Brandon

Dr. Amy Brandon is a warm and caring pediatric dentist. She strives to build relationships with her patients and their families based on trust, kindness, and compassion. Dr. Amy earned her Bachelor of Science in Biology at University of Denver and her Doctor of Dental Surgery (DDS) degree from University of Southern California School of Dentistry.  She completed her pediatric dental residency at University of Southern California and Children’s Hospital of Orange County.  

Dr. Amy is a diplomat of the American Board of Pediatric Dentistry, a member of the American Academy of Pediatric Dentistry, California Society of Pediatric Dentistry, Contra Costa Dental Society, American Dental Association and Delta Sigma Delta Dental Fraternity member.  

On her personal time Dr. Amy likes to play and care for her identical twin girls, exercise, go on hikes, watch movies, read, and throw pottery. Dr. Brandon enjoys watching the SF Giants and USC football, but her original athletic passion was her involvement in gymnastics.  

Dr. Amy looks forward to meeting your children and is excited to serve the surrounding community and their oral health care needs!


Dr. Rebecca Hsieh

Dr. Dr. Rebecca Hsieh is a Board-Certified Pediatric Dentist. She was born and raised in Taiwan. She pursed her undergraduate studies in Neuroscience at the University of Michigan, Ann Arbor and was inducted into Phi Beta Kappa Honor Society. She went on to obtain her Master of Public Health degree at Columbia University, and Doctorate of Dental Surgery Degree at the University of California, San Francisco (UCSF). While at UCSF, Dr. Rebecca discovered her love for pediatric dentistry during dental mission trips in Honduras and Mexico. Her love for pediatrics continued to grow through interactions with children at the ASDA community outreach events and on her rotations at a Community Health Center in Alameda. She later completed her pediatric dental specialty training at the Children’s National Medical Center in Washington, DC. 

Aside from practicing dentistry, Dr. Rebecca is a part-time Assistant Professor in the Department of Pediatric Dentistry at the University of Pacific, and currently serves as a Clinical Professor of UCSF at Children’s Hospital in Oakland. 

In her free time, Dr. Rebecca loves to travel, play musical instruments, and caddy for her husband when he plays golf


Dr. Melissa Bailey

Dr. Melissa Bailey finds great joy in creating a unique “signature smile” for each patient she meets. She regards her profession as an Orthodontist as both an honor and a privilege, and is thankful for the trust her patients place in her knowledge. Knowing first-hand how orthodontic treatment can alter a life, Dr. Bailey decided to specialize in orthodontics when she got braces for the first time during dental school. Her own treatment taught her that having a beautiful smile can improve confidence and open doors to new opportunities throughout life.

Whether trading stories, sharing a laugh, or just having fun, Dr. Bailey enjoys the relationships she builds with her patients. Watching their personalities develop and seeing their beautiful smiles emerge are her true rewards and make her excited to come to work each day.

Dr. Bailey decided to enter dental school at UCLA’s School of Dentistry, graduating with honors and being inducted into the national dental honor society, Omicron Kappa Upsilon. She received her specialty training in orthodontics and dentofacial orthopedics from Loma Linda University. Dr. Bailey attends numerous continuing education courses to stay up-to-date with the latest clinical orthodontic techniques and innovations.

Growing up, Dr. Bailey was an avid piano player and began teaching piano at the age of 13. She attended the University of California Los Angeles for her undergraduate degree, majoring in music (piano performance), and taught piano for 10 years. She is happily married and has two energetic boys. She enjoys yoga, music, travel, and reading. She loves creating beautiful smiles that last a lifetime


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