Pediatric Dentistry & Orthodontics Fremont CA

Our Core Values Are The Heartbeat of Every Smile

At Just Kids, Joy, Unity, Service, and Technology shape every visit — building a dental home where families feel supported, and smiles grow with confidence.

From the moment you arrive at our San Leandro, Tracy, or Fremont pediatric dentistry office, we bring joy and positivity to your child’s dental experience. Every visit is designed to feel fun, welcoming, and uplifting for kids and parents alike.

Our team works in unity to make your experience smooth and supportive. We are committed to working together — with each other and with you — to ensure the best care for your child.

You and your child are at the heart of everything we do. Through compassion, careful listening, and personalized attention, we deliver service that truly cares for your family’s needs.

We use the latest technology and evidence-based practices to provide safe, efficient, and high-quality dental care, helping your child achieve a healthy smile today and for life.

3 Steps to a Healthy, Sparkling Smile

Upgrade your smile effortlessly with our playful, budget-friendly treatments — designed to brighten your day and boost your confidence, one gentle visit at a time.

1

request your consult

2

select affordable treatment

3

sit back, relax & get started

What Makes Our Smiles Shine

Our Mission

Just Kids Pediatric Dentistry & Orthodontics aims to create a joyful and caring environment where every patient feels valued and supported. We deliver exceptional, evidence-based care while embracing teamwork, growth, innovation, and technology to promote lifelong oral health.

From our kid-friendly office décor to our attentive team who treats every patient like family, we ensure that every appointment is filled with fun, comfort, and top-notch care that truly makes your smile shine bright.

A "Wow" Experience Every Visit

From a warm welcome to gentle care, we make each visit enjoyable for kids and reassuring for parents.

A Fun & Comfortable Atmosphere

Engaging toys, ceiling-mounted TVs, and a thoughtfully designed space keeps families at ease.

Lifelong, Healthy Smiles

Through education, innovation, and a supportive team, families feel confident in their oral health journey.

Friendly Faces Behind
Every Smile

Our dedicated dental experts are passionate about nurturing bright, healthy smiles, turning every visit into a joyful, family-friendly experience.

Dr. Jonathan Chang

DMD

Dr. Jeffrey Chang

DMD

Dr. Steven Chan

DDS

Dr. Pooja Rattan

DDS, MS

Dr. Johanna Tan

DDS

Dr. Adrienne Nguyen

DDS

Dr. Joanna Lee

DMD

Meet Dr. Chang

Location: Downtown
I grew up here in the Bay Area, attended college at UC Davis, and went on to obtain my Doctor of Dental Medicine degree at Temple University in Philadelphia, Pennsylvania. It was in the city of brotherly love where my passion to work with children was born and I went on to specialize in Pediatric Dentistry at UCLA.

Meet Dr. Chang

Location: San Leandro & Tracy
As a pediatric dentist, it’s my passion to help children build a foundation for a lifetime of great oral health. That journey begins by establishing a dental home during your child’s first visit. My hope is that Just Kids Pediatric Dentistry is a place where children feel comfortable, cared for, and even excited to visit.

Meet Dr. Chan

Location: Downtown
I’ve been thoroughly blessed throughout my 35-year career in dentistry. I’m honored by the trust parents place in me to be part of their children’s oral health journey. I’ve fondly watched those little ones grow up, and it’s incredibly rewarding when they return years later—now bringing their own children to see me.

Meet Dr. Rattan

Location: Downtown
As a board-certified Diplomate of the American Academy of Pediatric Dentistry, I am trained to provide your child with truly excellent dental care. As a mother, I am sincerely committed to giving your child the positive experience that I would wish upon my own children.

Meet Dr. Tan

Location: Downtown
I am beyond excited to be joining Just Kids Pediatric Dentistry where the Bay Area Sports teams are loved and where your kids are in excellent hands! My name is Dr. Johanna Tan and I was born and raised in San Francisco, CA.

Meet Dr. Nguyen

Location: Downtown
As a lifelong resident of the Bay Area, I am thrilled to come back to Fremont to provide the best care here at JKPD! l will treat your children like my own, and will do all I can so they can have positive dental experiences and healthy smiles. I strive to make every visit comfortable and fun for both you and your child.

Meet Dr. Lee

Location: Downtown & Mission Hills
Hi, I’m Dr. Joanna Lee. I was born and raised in Castro Valley, California, and have always enjoyed working with children. I’ve had the opportunity to travel abroad to Mexico and Honduras to serve on humanitarian trips, which helped shape my passion for pediatric care. I completed my undergraduate studies at the University of California San Diego and went on to earn my dental degree from Roseman University of Health Sciences College of Dental Medicine.

Dr. Janice Hwang

DDS,MS

Dr. Duy Bui

DDS,MS

Meet Dr. Hwang

Dr. Janice Hwang is native to the Bay Area. She spent her early childhood and teenage years as a cellist, competing in competitions all over the Bay Area. While she loved her experience as a classical musician, she eventually decided to use the dexterity that she developed for another artform—dentistry.

Meet Dr. Bui

Dr. Bui is from Orange County in California and is excited to come to the Bay Area to practice orthodontics. His interest in orthodontics began when he had braces at the age of 15 and it has never waned since then. Dr. Bui is an avid fan of basketball and tennis. His favorite players are LeBron James and Roger Federer respectively.

Dr. Philip Yen

DDS

Dr. Andrew Young

DDS

Meet Dr. Yen

Dr. Yen grew up in Northern California’s Bay Area, then traveled to Southern California for undergraduate studies. Dr. Yen graduated with a degree in Physiology from UCLA, then went across town to attend dental school at University of Southern California School of Dentistry. His anesthesia residency was completed at The Ohio State University.

Meet Dr. Young

Dr. Young began his undergraduate studies in Biological Sciences at Drexel University in Philadelphia, Pennsylvania. He earned his doctorate at the Ostrow School of Dentistry of USC, before completing residency in Dental Anesthesiology at the University of Pittsburgh, School of Dental Medicine and the University of Pittsburgh Medical Center.

Orthodontics for Every Age

From the tiniest teeth to mature smiles, our orthodontic treatments are thoughtfully designed for every stage of life.

Kids

Our gentle, kid-friendly approach makes every treatment a delightful and reassuring experience for your little ones.

Teens

Our stylish and effective orthodontic solutions empower teenagers to embrace their evolving smile with confidence.

Adults

Our comprehensive care for adults ensures that achieving a healthy, beautiful smile is both simple and rewarding.

Unlock a World of Bright Smiles

Step into a world of personalized pediatric dental care where every smile matters. Our wide range of services — from gentle pediatric dentistry to cutting-edge orthodontics — is designed to cater to your unique needs, ensuring every visit is a step toward a healthier, happier smile.

Pediatric Dentistry

For families in Tracy, San Leandro, and Fremont pediatric dentistry at Just Kids is all about making dental care a delightful adventure for your little ones. We offer gentle check-ups, preventive care, and early treatments in a fun, welcoming environment that helps children build healthy habits while feeling safe and celebrated.

Orthodontics

Our pediatric orthodontic care is designed to create confident, beautifully aligned smiles for patients of all ages. From traditional braces to discreet Invisalign® options, we craft personalized treatment plans using modern techniques that ensure comfort, effectiveness, and a smile journey that’s as unique as you are.

Just Laughs,
Just Smiles,
Just Kids!

Our Core Values Are The Heartbeat of Every Smile

J - Joy

U - Unity

S - Service

T - Technology

3 Steps to a Healthy, Sparkling Smile

1

2

3