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Meet Dr. Sia

dr william hyman orthodontist in montebello ca

Dr. Sia attended the University of California, San Diego for her undergraduate degree in biology and then worked her way up the coast to San Francisco, where she attended dental school at UC San Francisco. After earning her dental degree, she was accepted to UC San Francisco’s 3-year orthodontic program where she earned her certificate in orthodontics as well as a Master of Science in Oral and Craniofacial Sciences. In residency. Dr. Sia was a finalist in a national case display competition by the American Board of Orthodontists.

Dr. Sia enjoys keeping up with science and technology and is currently diving into the world of 3-d printing. In her free time, she likes to challenge herself in the kitchen with new recipes, lead an active lifestyle with exercise and sports, and travel with her hardworking fiancé. Having climbed Machu Picchu in 2016, she hopes to one day visit all the wonders of the new world.

Schedule Your Complimentary Assessment & Meet Dr. Hyman Today!

To meet Dr. Parsa and learn more about our 5-star-rated orthodontic treatment options, schedule your FREE appointment today! Your assessment includes a comprehensive exam, digital x-rays, and an in-depth consultation, a $350 value, yours FREE! Call us at 323.726.8300 , text us at 323-427-1633, or click here to get started on your best smile!

As one of the premier orthodontic practices in Montebello, CA, our team at Hyman Orthodontics also provides award-winning orthodontic services to patients from Pico Rivera, Whittier, East LA, Monterey Park, Alhambra & Commerce, CA.


I came here when I was a child in the 70s, my daughter in the 90s, and now my little one in 2018. 3 generations of beautifully straight by teeth. Wouldn't go anywhere else. - Angela S. angela 5 star orthodontic review
What others thought impossible it was possible with Dr. Hyman's professional experience and great staff. You guys made wearing invisalign an awesome experience. Thank you for everything.

- Erika Murillo
erika 5 star orthodontic review

I was afraid to improve my smile but I am a professional person in the health industry and I need to look my best. Dr. Hyman spent time giving me options and patiently calmed my nerves. Liz made the payment plan reasonable and I felt welcomed by the entire staff. Best orthodontic office in the San Gabriel Valley!

- Nathan Klipfel
nathan 5 star review

*The reviews listed are from actual patients of Hyman Orthodontics. Individual results may vary. Reviews are not claimed to represent results for everyone.

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