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Fremont (Downtown)
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Fremont (Mission Hills)
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call/text (510) 405-7078
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San Leandro
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call/text (510) 890-0736
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Tracy
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    • Fremont (Downtown)
    • Fremont (Mission Hills)
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Pediatric Exam
free Ortho Consult
  • Our Practice
    • About Us
    • What Makes Us Different
    • Meet Our Doctors
    • Meet Our Team
    • Our Technology
    • Office Tours
    • Patient Reviews
  • Pediatric Dentistry
    • Restorative Dentistry
    • Preventative Dentistry
    • Special Needs Dentistry
    • Behavior Management
    • General Anesthesia
    • Tongue Tie / Lip Tie
    • Dental Eruption
  • Orthodontics
    • Braces
      • Types of Braces
      • Braces for Kids
      • Braces for Teens
      • Braces for Adults
      • Braces FAQ
    • Invisalign®
      • About Invisalign®
      • Invisalign® for Kids
      • Invisalign® for Teens
      • Invisalign® for Adults
      • Invisalign® FAQ
    • Other Treatments
      • Early Treatment
      • Airway Orthodontics
  • Patient Resources
    • Your First Visit
    • Financial Information
    • Office Pamphlets
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  • Contact Us
    • Contact Info
    • Fremont (Downtown)
    • Fremont (Mission Hills)
    • San Leandro
    • Tracy
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Fremont (Downtown)
New Patients
call/text (510) 591-0144
call
text
Existing Patients
call (510) 791-0971
call
Fremont (Mission Hills)
New Patients
call/text (510) 405-7078
call
text
Existing Patients
call (510) 264-7199
call
San Leandro
New Patients
call/text (510) 890-0736
call
text
Existing Patients
call (510) 890-3557
call
Tracy
New Patients
call/text (510) 738-3514
call
text
Existing Patients
call (209) 832-7906
call

Meet Our Doctors

Just Laughs, Just Smiles, Just Kids!

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. Bryan Chao
DDS, MS
Dr. Steven Chan
DDS
Dr. Pooja Rattan
DDS, MS
Dr. Johanna Tan
DDS
Dr. Adrienne Nguyen
DDS
Dr. Shilpa Avula
DDS
Dr. Joanna Lee
DMD
Dr. Tarek Kassem
DDS
Dr. Remya Niranjan
DDS, MS
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.
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Meet Dr. Chang
Location: San Leandro & Tracy
As a pediatric dentist, it has been his passion to help children cultivate a lifetime of great oral health. This begins by establishing a dental home during your child’s first visit. His hope is that Just Kids Pediatric Dentistry is a place that children can feel comfortable and enjoy visiting.
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Meet Dr. Chao
Location: San Leandro & Tracy
As a native of Fremont and former patient of Just Kids Pediatric Dentistry, I am so excited to now be a part of the JKPD team! I understand the importance of giving your kids the very best and will strive to make each visit a happy, fun, and positive experience.
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Meet Dr. Chan
Location: Downtown
We’ve been thoroughly blessed in my 35 year career in dentistry. We’ve been complimented by parents who allow us to share their babies’ experience with oral health. We’ve fondly watched our babies grow up. We’re flattered when those babies – now bring their babies – back to us.
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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.
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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.
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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.
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Meet Dr. Avula
Location: Mission Hills
Dr. Avula grew up in the Central Valley of California and currently lives in the Bay Area with her husband and their two young children. Dr. Avula knew from high school that she wanted to be a dentist. She completed both undergraduate and dental school through an accelerated honors program at The University of the Pacific in just five years.
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Meet Dr. Lee
Location: Downtown & Mission Hills
Dr. Joanna Lee is the newest member to join the Just Kids team. Born and raised in Castro Valley, California, she has always enjoyed working with children; having had the opportunities to travel abroad in Mexico and Honduras to serve on Humanitarian trips. She completed her undergraduate studies at the University of California San Diego, then graduated from Roseman University of Health Sciences College of Dental Medicine.
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Meet Dr. Kassem
Location: San Leandro & Tracy
I am thrilled to join the Just Kids Pediatric Dentistry team and honored to be entrusted with your child’s oral health. I was born and raised in Southern California and am incredibly excited to call the Bay Area my new home.
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Meet Dr. Niranjan
Location: Tracy
My goal is to make my patients feel at ease and to give them a positive, and memorable dental experience. My favorite part about being a pediatric dentist is making everlasting relationships with young children and having a positive impact on their lives.
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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.
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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.
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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.
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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.
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Get Started On A Healthy Smile

Pediatric Exam
Free Ortho Consult

Hear the Joy of Happy Smiles

Discover heartfelt testimonials from families who share how our gentle, 5-star care transforms routine visits into cherished moments of connection and confidence, celebrating every bright smile as a true success story.

Carla N
This place is great for kids. All the staff very nice and polite. They keep everything nice and clean. Mostly she likes her Dentist Doctor. He is super nice and friendly. I highly recommend this place.
Pearl D.
The staff & providers are very attentive, caring, informative and engaged. My daughter always has a happy & fun experience with every visit. Its much appreciated & highly recommended☺️🦷❤️
Carlisha W.
Found this office through my delta dental insurance search and I was so surprised and happy about this visit. I had previously taken my toddler to a regular adult dentist that didn’t specialize in pediatrics and I felt like they gave a quick general screening, but I came here and my son loved it! The energy was great from all the staff, they answered all my hard questions. The Doctor was super sweet and seemed experienced, and the environment was just sooo kid friendly. Love that they also got us in and out and a same day appointment. I think this will be my son’s official pediatric dentist as he grows up!
Yiyi W.
Friendly and knowledgeable staff. My kids enjoy going there.
Joyner F.
My son chipped his tooth, I was able to bring him in right away. The staffed spoiled him the entire time. Made him feel very comfortable. The doctor did an amazing job my sons tooth looked like it was never chipped.
Angelina E.
This Dentist office is friendly, professional, clean! The staff are wonderful with children and dentist anwers questions & concerns.
Response from the owner:Thank you, Angelina, for your wonderful feedback! We're dedicated to creating a friendly and professional environment for our young patients. We appreciate your trust in us and look forward to seeing you again!
Nathan B.
JKP Dentistry is wonderful. My kids really enjoy going to the office; no dread about seeing the dentist. Dr. Bryan Chao is so kind and good with kids. I can’t speak highly enough about his caring approach to pediatric dentistry.
Response from the owner:Thank you for your wonderful review, Nathan! We are thrilled to hear that your kids enjoy their visits. Dr. Chao truly cares for his young patients, and your feedback is greatly appreciated!
Silvia Q.
Always a great experience for my son who is 8 years old. Staff is caring and friendly. We have been going here for over 4 years. We would not go anywhere else!!
Response from the owner:Thank you, Silvia, for your wonderful review! We're delighted to hear that your son enjoys his visits and that our team has made a positive impact. We appreciate your trust in us!
Andrew M.
Very friendly staff, nurses and doctor with Autistic friendly environment.
Response from the owner:Thank you, Andrew! We're delighted to hear about your positive experience. Our team is dedicated to creating an inviting environment for all children. We appreciate your kind words and look forward to seeing you again!
rebecca J.
Excellent experience staff so professional very pleased with service provided
Response from the owner:Thank you for your kind words, Rebecca. We’re thrilled to hear you had an excellent experience with our professional staff. Your satisfaction is our top priority, and we look forward to seeing you again!
Myiesha M.
This office is unique and vibrant. The Doctor, the dental hygienist, the assistance and ALL who work there are professional, polite and patient. My child felt comfortable and they all handled her with care and dignity. My daughter received a routine visit for teeth cleaning as well as X rays. Nevertheless the environment and quality of work is exceptional 10 out of 10 across the board.

Thank you to each and every last one of them. The teamwork there is unbelievably pleasant. I hope all who visits notice how genuine they all are.
Response from the owner:Thank you for your wonderful feedback! We're thrilled to hear that your child felt comfortable and well cared for. Our team's commitment to professionalism and teamwork is crucial, and we appreciate your kind words.
joanna marie van B.
Just Kids is a wonderful pediatric practice. They treat both of my kids so well and are so good with helping kids not to fear the dentist plus they have video games, balloon animals and overhead videos to watch when they’re working on the kiddos!!
Response from the owner:Thank you for your wonderful review, Joanna! We're delighted that your children enjoy their visits and our fun atmosphere. Our team is committed to making dental experiences positive. We appreciate your feedback!
Cindy F.
We love Just Kids Dentristry! The staff and dentist/ hygienist are so great with the kids. Our boys look forward to their visits and leave saying “my dentist is fun.” They have games and things to keep them occupied while we check in, tv on ceiling to entertain them, they are quick and efficient. They made the boys balloon swords and give them a token to pick their prize at the end. Truly an experience!
Response from the owner:Thank you for your wonderful review, Cindy! We're thrilled to hear that your boys enjoy their visits and appreciate our fun atmosphere. We look forward to seeing you all again soon!
Emily O.
You guys are excellent! Thank you for the quick and knowledgeable care you provide for our kids. Never a scary place to go- thank you for that💕
Response from the owner:Thank you, Emily! We greatly appreciate your kind words and are thrilled to hear that our team has been able to create a welcoming environment for your kids. Your trust means everything to us!
Tiffany H.
This was our baby’s first dental visit at 7 months old, and everyone here was soooo amazing! The office is definitely giving “just kids” vibe, which we love. The tooth fairies here are super nice and friendly. Dr. Jeff was super friendly and sooo good with our baby!
Response from the owner:Thank you for your wonderful feedback! We are thrilled to hear that your baby’s first visit was such a positive experience. Our team is dedicated to creating a fun and welcoming atmosphere for all our little patients.
More reviews

Discover heartfelt testimonials from families who share how our gentle, 5-star care transforms routine visits into cherished moments of connection and confidence, celebrating every bright smile as a true success story.

More reviews

We’re Close to Home

Every visit feels like coming home, as you enjoy kid-friendly waiting areas, quick access, and the warm embrace of a community-centered space designed to make your experience as effortless and joyful as possible.

Fremont (Downtown)
  • 3775 Beacon Ave #100
    Fremont, CA 94538
  • (510) 591-0144
Fremont (Mission Hills)
  • 39560 Stevenson Pl #118
    Fremont, CA 94539
  • (510) 405-7078
San Leandro
  • 433 Estudillo Ave STE 105
    San Leandro, CA 94577
  • (510) 890-0736
Tracy
  • 2160 W Grant Line Rd STE 150
    Tracy, CA 95377
  • (510) 738-3514
Pediatric Exam
Free Ortho Consult
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Contact Us
Fremont (Downtown)
New Patients
call/text (510) 591-0144
call
text
Existing Patients
call (510) 791-0971
call
Fremont (Mission Hills)
New Patients
call/text (510) 405-7078
call
text
Existing Patients
call (510) 264-7199
call
San Leandro
New Patients
call/text (510) 890-0736
call
text
Existing Patients
call (510) 890-3557
call
Tracy
New Patients
call/text (510) 738-3514
call
text
Existing Patients
call (209) 832-7906
call
  • Call / Text
  • Fremont (Downtown), CA
  • Fremont (Mission Hills), CA
  • San Leandro, CA
  • Tracy, CA
Contact Hours
Monday8:00am – 5:00pm
Tuesday8:00am – 5:00pm
Wednesday8:00am – 5:00pm
Thursday8:00am – 5:00pm
Friday9:00am – 5:00pm
Saturday8:00am – 1:00pm
(Only at Fremont Downtown, San Leandro, and Tracy)
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