Muir Station Smiles

Muir Station Smiles Children's Dentistry & Orthodontics Dr. Espinoza is a native of the Bay Area, growing up in the city of San Mateo.

Dr. Ruben Espinoza is a pediatric dentist who strives to offer the highest quality of care for children in a warm and caring atmosphere, and fully attentive to the patient's needs. Heโ€™s a strong believer in early preventative measures and education to facilitate positive attitudes towards establishing and maintaining a good oral health. He attended the University of California, Berkeley where he r

eceived his bachelor's degree in molecular and cell biology - Go Bears! His dental degree was then obtained from the University of California, San Francisco. A native of the Bay area, Dr. Michael Simontacchi-Gbologah was raised in Alameda. He attended Howard University in Washington D.C., where he graduated Phi Beta Kappa, Summa Cum Laude, earning his Bachelors of Science in Chemistry, while serving as captain of Howardโ€™s Division 1 soccer team. In 2008, he earned his Doctorate of Medical Dentistry at the prestigious University of Pennsylvania, School of Dental Medicine. He continued on at the University of Pennsylvania, serving as Chief Resident during his post-doctoral Orthodontic residency and received his Orthodontic specialty certificate in 2010. In his spare time he enjoys spending time with family and friends, mountain biking, hiking, and being active. He is dedicated to his profession and passionate about working with his patients. His goal as a clinician is not only to create beautiful, functional and healthy smiles, but also to build mentorships with his patients and serve as a positive and uplifting voice in their lives. .

Aminah finished her ortho treatment and we are CELEBRATING! ๐ŸŽ‰ She is truly one of the sweetest patients and always knows...
06/02/2026

Aminah finished her ortho treatment and we are CELEBRATING! ๐ŸŽ‰ She is truly one of the sweetest patients and always knows how to make us smile. Thank you for the treats, Aminah โ€” you deserve all the good things! ๐Ÿ˜Šโœจ

๐Ÿ‰ Summer snack tip!Fresh fruits like watermelon and strawberries are a win for growing smiles. They're packed with vitam...
06/01/2026

๐Ÿ‰ Summer snack tip!

Fresh fruits like watermelon and strawberries are a win for growing smiles. They're packed with vitamins, naturally refreshing, and a much better choice than sticky, sugary treats that can linger on teeth.

This summer, reach for smile-friendly snacks that help keep little teeth healthy while fueling all the fun. โ˜€๏ธ๐Ÿ“๐Ÿ˜

We appreciate you taking a moment to review us ๐Ÿ’™
05/29/2026

We appreciate you taking a moment to review us ๐Ÿ’™

Watching kids grow, learn, and achieve amazing things is the best part ๐ŸŽ“๐Ÿ’™ Congrats, graduates!
05/27/2026

Watching kids grow, learn, and achieve amazing things is the best part ๐ŸŽ“๐Ÿ’™ Congrats, graduates!

With gratitude and remembrance, we honor the brave service members who sacrificed for our country. Happy Memorial Day.  ...
05/25/2026

With gratitude and remembrance, we honor the brave service members who sacrificed for our country. Happy Memorial Day.

05/15/2026

Getting kids excited about brushing can be easier than you think ๐Ÿฆท Try turning it into a 2-minute song challenge or letting them pick their own toothbrush and toothpaste flavor. Small choices help build big habits! ๐Ÿ’™

๐Ÿ’ Happy Motherโ€™s Day to all the amazing moms at our practice who help make every day a little brighter. Thank you for br...
05/10/2026

๐Ÿ’ Happy Motherโ€™s Day to all the amazing moms at our practice who help make every day a little brighter. Thank you for bringing comfort, kindness, and so much love to every little smile we care for each day. ๐Ÿ’›

Marisa picked up her Meta Glasses and weโ€™re obsessed ๐Ÿ˜„๐Ÿ‘“โœจNothing better than seeing our patients leave with big smiles an...
05/07/2026

Marisa picked up her Meta Glasses and weโ€™re obsessed ๐Ÿ˜„๐Ÿ‘“โœจ

Nothing better than seeing our patients leave with big smiles and cool prizes! ๐Ÿ™Œ

05/06/2026

Big congrats to our April winner, Marissa! ๐ŸŽ‰๐Ÿ˜„

๐Ÿ™Œ Youโ€™re taking home a pair of Meta Glasses! ๐Ÿ‘“โœจ

Cinco de Mayo celebrates the Battle of Puebla in 1862โ€”a symbol of strength and pride in Mexican history. ๐ŸŒฎโœจ Today itโ€™s a...
05/05/2026

Cinco de Mayo celebrates the Battle of Puebla in 1862โ€”a symbol of strength and pride in Mexican history. ๐ŸŒฎโœจ Today itโ€™s all about good food, good vibes, and celebrating culture and community.

Have fun and enjoy the festivities!

Address

582 Center Avenue
Martinez, CA
94553

Opening Hours

Monday 9am - 6pm
Tuesday 9am - 6pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

(925) 626-0111

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