Dr. Joann Toy

Pediatric Dentist

Originally from New Orleans, Louisiana  I hope to bring my Southern Hospitality to my office and patients.I  obtained my Bachelor’s of Science degree in Mathematics from Tulane University and my DMD degree from Washington University School of Dental Medicine in St. Louis, Missouri.  I was the recipient of the outstanding senior student in Pediatric Dentistry in Dental School.


During Dental school, I  found I loved working with children and went on to  complete my Pediatric Dentistry Residency from the University of Nebraska School of Dentistry in Lincoln, Nebraska. While visiting San Francisco on vacation, I fell in love with the city, people, diversity, and culture and decided this is where I would like to live.  After moving here, I was an Associate Clinical Professor at the University of San Francisco Dental School where I taught Pediatric Dentistry to junior and senior dental students. I worked at numerous dental practices and finally decided to settle in private practice in Daly City, California.


I embrace my profession because I love working with children in helping them have a good dental experience. My goal is to be a positive influence in their lives and encourage them to take pride in their dental health.  I am committed in building long term relationships built on trust, understanding, and compassion. I try and provide the best possible treatment for your child while helping them be comfortable. I treat each child as how I would like my own children to be treated with warmth, respect, understanding, and kindness.


I am married with two grown children.  My son is a singer and my daughter was an elite gymnast and member with the LSU Gymnastics team.  In my spare time, I enjoy watching them perform, traveling, and shopping.

Joann J. Toy, DMD

Dr. Tyrone Chan, DDS


Dr. Tyrone Chan is a friendly and engaging dentist and orthodontist providing care to his patients in San Mateo, CA. Dr. Chan provides services that include braces consultations, InvisAlign consultations and installations, retainer consultations and installations, dental consultations and cleanings, and orthodontic consultations. Dr. Chan received his doctor of dental surgery degree from the University of California at San Francisco. He then completed his orthodontics certificate at Columbia University in New York City. Dr. Chan is bilingual, speaking both English and Cantonese Chinese. He is dedicated to his patients’ oral improvement, both aesthetically and healthfully. Dr. Chan ensures that his patients’ comfort comes first, conducting his bedside manner with an easy, unintimidating approach. He ensures that his patients understand how to care for their teeth after they leave his office, especially after he installs braces.


Hello!  I am Cecilia and am the office manager.  I have been working in the dental field for over 35 years and with Dr. Toy for almost 20 years.  I am the Orthodontic treatment coordinator as well and can assist you with any financial, billing, scheduling, or  insurance questions you may have.


I love being part of the office and interacting with all the patients and families.  My favorite part of the day is watching the young children collect their prizes and leave with smiles. I also enjoy seeing all the patients that have grown up in our practice and celebrate their accomplishments.  In our office, our patients are our families. My goal is to make your time with us positive, educational, and efficient. When I am away from the office, I enjoy spending time with my husband and children.



Hello, I am Emmaline and am the lead appointment and treatment coordinator. I have been in the dental field for over 30 years and with Dr. Toy for 19 years. I can assist you with appointments, insurance, and insurance questions. My goal is to be thorough and provide you with information so that you will be well informed about your child’s appointment and treatment. I enjoy seeing all our patients and listening to their stories, seeing them grow up, and relishing in their accomplishments. It is my pleasure to assist you with all your dental needs. When I am not in the office, I enjoy spending time with my family.


Hello, I am Theresa and am the front desk receptionist.  When you walk into the office, I am the one who greets you and checks you in for your appointment. I have been working here with Dr. Toy for over 15 years and love greeting our patients and getting to know them.  I especially enjoy seeing the little patients come in and leave smiling. I can assist you with scheduling appointment and insurance verification. I am here to make your visit as efficient and pleasant as possible.  When I am not at the office, I enjoy spending time with my husband and son.



Hello, I am Precy and am a Registered Dental Assistant. I have my registered dental assistant license and CPR certification.  I have been in the dental field for over 30 years and with Dr. Toy for approximately 17 years. You can find me either assisting Dr. Toy or working with your children directly.  I especially enjoy working on the young children and making their first visit memorable and enjoyable. My goal is to make your child feel comfortable during their dental visit, educate you and your child  about good dental health, and for your child to have a healthy smile. I love working with all the children and personally getting to know all the patients and families. We at the office treat each child as they are our own and how we would like our own child to be treated.  I am happy to assist you with any questions or concern you may have. In my spare time, I enjoy spending time with my family.