Special Offer!

New Patients 3 years and under receive a FREE exam.
Contact us to schedule an appointment!

29941 Aventura, Ste C, Rancho Santa Margarita, CA 92688 | Phone: 949 858-5150
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About Us

Jeanne Nguyen, D.D.S.

 Dr. Jeanne Nguyen with patient - Pediatric Dentist in Rancho Santa Margarita, CA Dr. Jeanne Nguyen was born and raised in Paris, France. As a young girl, her family moved to Southern California where she has been living since.

For college, she wanted to stay locally and attended UC Irvine. After 4 years of sunshine, she decided to look for a change in scenery and went all the way to NYC to obtain her dental degree from the New York University College of Dentistry. It was during dental school that she decided that she really loved treating children and teenagers. She decided to remain at New York University College of Dentistry to pursue her specialty degree in Pediatric Dentistry

After her specialty training, Dr. Jeanne remained in New York city, and was in a private Pediatric Dental practice for 3 years. After one too many bitter and snowy winters, she decided she missed home and is happy to be back here in sunny Southern California.

Dr. Jeanne serves as an adjunct faculty for the USC Pediatric Dental residency program. She also provides dental care for the underprivileged at Healthy Smiles of Orange County, a nonprofit organization. With ongoing and consistent Continuing Education classes, she is committed to staying up to date with the newest dental techniques and approaches. Dr. Jeanne is dedicated to providing excellent dental care in a fun and caring environment, where children will feel comfortable with their dental visits.

She is presently a member of the American Academy of Pediatric Dentistry, American Dental Association, California Society of Pediatric Dentistry, and the Orange County Dental Society.

Other than practicing dentistry, Dr. Jeanne enjoys spending time with her family and friends and her dog Bear! She also enjoys traveling, cooking, and trying out new restaurants.


Dr. Christopher Chau

Dr. Christopher Chau - Pediatric Dentist in Rancho Santa Margarita, CA Dr. Chau is a Board Certified orthodontist, a distinction achieved by only a third of orthodontist. He treats children of all ages, as well as adults. Dr Chau offers treatment with invisalign, clear braces and traditional braces. He takes care of all his patients like family and strives to get everyone their best smile possible.

Dr. Chau is a native of the Bay area and has made Orange County his home. He is happily married to his wife Amy, whom he met at UCLA. They have a son, Cameron, and a Shiba Inu puppy names Azuki. The Chau Family enjoys traveling, cooking, and spending time outdoors.

Dr. Chau is also an avid fan of the Golden State Warriors, San Francisco 49ers, and or course the Bruins!


Dr. Jessica Machado

Dr. Jessica Machado - Pediatric Dentist in Rancho Santa Margarita, CA Dr. Jessica Machado was born and raised in Dallas, Texas and completed her undergraduate education at the University of Texas at Austin. She moved to California to pursue a career in dentistry and received her Doctor of Dental Medicine (DMD) degree from Western University of Health Sciences. Through her involvement in community outreach and school-based oral health programs, she realized her desire to be an advocate for children through pediatric dentistry.

Dr. Jessica completed her pediatric residency at Loma Linda University. Her training has given her extensive experience in all aspects of pediatric dental care, including treatment of infants and those with special health care needs. With an emphasis on early education and prevention, Dr. Jessica hopes to promote good oral health while providing comprehensive compassionate care to the children that inspire her.

Dr. Jessica and her family live in Orange County. Her hobbies include going on adventures with her husband, son and their kitty cat, trying new foods and restaurants, and relaxing at the beach. Dr. Jessica looks forward to being a caring member of your dental family!



Our Staff

Doctors and Staff - Pediatric Dentist in Rancho Santa Margarita, CA


Sara - Office Manager

Sara Office Manager - Pediatric Dentist in Rancho Santa Margarita, CA

Shushan - RDA

Shushan RDA - Pediatric Dentist in Rancho Santa Margarita, CA

Spring - RDA

Spring RDA - Pediatric Dentist in Rancho Santa Margarita, CA