Our Doctors

  • San Ramon, CA - 11040 Bollinger Canyon Rd. 94582
  • San Ramon, CA - 11040 Bollinger Canyon Road 94582
  • San Ramon, CA - 11040 Bollinger Canyon Road 94582
  • Newpark, CA - 1003 Newpark Mall 94560
  • Dublin, CA - 4101 Dublin Blvd. 94568
  • Dublin, CA - 4101 Dublin Blvd. 94568
  • Dublin, CA - 4101 Dublin Blvd. 94568
  • 925-648-8881 | San Ramon, CA - 11040 Bollinger Canyon Rd.
  • 925-648-8580 | San Ramon, CA - 11040 Bollinger Canyon Road
  • 925-648-8588 | San Ramon, CA - 11040 Bollinger Canyon Road
  • 510-796-8888 | Newpark, CA - 1003 Newpark Mall
  • 925-803-5888 | Dublin, CA - 4101 Dublin Blvd.
  • 925-803-9800 | Dublin, CA - 4101 Dublin Blvd.
  • 925-803-6880 | Dublin, CA - 4101 Dublin Blvd.

Amy Brandon

Amy Brandon is a board certified pediatric dentist at our Gale Ranch Office.  Dr. Amy graduated both dental school and pediatric residency from USC where she was bestowed the Floyd E. Hodgeboom Award for her outstanding excellence in dental care for children.  She strives to provide individualized, caring dentistry with compassion and absolute attention to each child and parent.  Dr. Brandon is a member of the American Academy of Pediatric Dentistry, the California Society of Pediatric Dentistry and the American Board of Pediatric Dentistry.  Dr. Amy feels privileged to help children in the community create confidence through healthy smiles!

Melissa Bailey

 Melissa Bailey is an experienced and compassionate board certified orthodontist.  She finds joy in providing excellent orthodontic care while keeping the experience enjoyable and comfortable for her patients.  Dr. Bailey was inspired to become an orthodontist when she started her own orthodontic treatment in dental school.  Getting braces as an adult taught her that having a confident and healthy smile can open many doors in life. 

Dr. Bailey earned her undergraduate degree from UCLA in piano performance and business administration.  She graduated from the UCLA School of Dentistry with honors and was inducted into Omicron Kappa Upsilon, a prestigious national dental honor society.  While at UCLA, she wrote grants and helped run a children’s clinic to provide dental care for the under-served communities.  For her leadership and community service, she was awarded the California Dental Association’s Outstanding Senior Award.  After dental school, she continued her advanced degree in orthodontics and dentofacial orthopedics at Loma Linda University in Southern California.

Dr. Bailey enjoys learning and staying current with the latest clinical orthodontic techniques and innovations.  She is particularly interested in clear aligner therapy and is the co-founder of TrayMinder, an app she developed to help her patients to stay on track with their clear aligner treatment.  Dr. Bailey is board certified by the American Board of Orthodontics (ABO), which means that she has gone through a voluntary rigorous written and clinical examination process, evaluate by experts in the industry.  ABO certification is recognized throughout the world as representing the highest level of commitment to orthodontic patient care. 

Dr. Bailey is happily married with two sons.  She enjoys reading, running, playing piano, entertaining family and friends, and going to the beach in her free time. 

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.

Evelina Dragneva

General Dentist

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 focusing 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.


Henry Ma


Henry Ma, 

Dr. Henry Ma is a Board-Certified Endodontist and a Diplomate of the American Board of Endodontics (only about twenty percent of endodontists hold this highest distinction).
Born and raised in the Bay Area, Dr. Ma received his Doctor of Dental Medicine degree from the University of Pennsylvania. He then completed his advanced specialty training at Penn’s world-renowned Endodontics residency program. During his time there, he taught microendodontic techniques such as those for apicoectomy to visiting endodontists from around the world. He also conducted extensive research on Cone Beam Computed Tomography (CBCT) usage in root canal therapy and presented his work at the American Association of Endodontists National Conference. 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.  
Can include California State Association of Endodontists, Northern California Academy of Endodontists

Alexandra Glants

General & Cosmetic Dentist

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. 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 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.”

Lily Chen, DDS


Dr. Lily Chen finds her passion and professional satisfaction from helping patients maintain their oral health. She takes pride in her dedication that her patient needs and concerns are properly addressed in a timely and comfortable manner. Dr. Chen is bilingual in Chinese/Mandarin and English. Dr. Chen was born in Taiwan and has been in the bay area for the past 30+ years. Dr. Chen completed her undergraduate at UC Davis and is a graduate of Indiana University, School of Dentistry. She has received recognitions including American Association of Oral and Maxillofacial Surgeons Dental Implant Award and American Academy of Implant Dentistry Award. She is an active member of the American Dental Association and the California Dental Associations. Dr. Chen’s dental philosophy is, “everyone smiles in the same language and I take great pride in giving patients smiles that they can be proud of.” During her free time, Dr. Chen takes joy in honing her art skills, painting, playing the piano, trying new restaurants, and spending time with family. She likes to travel and has a personal goal of visiting all 50 states.


Healthy Smiles

What does your smile say about you? Let us help you radiate confidence with a healthy smile.



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