Download the list of Orthodontists in California. Smartscrapers provides an accurate directory and the latest data on the number of Orthodontists in California There are 6926 Orthodontists in California as of May 5, 2025; which is an 0.11% increase from 2023. Of these locations, 3538 Orthodontists which is 51.08% of all Orthodontists in California are single-owner operations, while the remaining 3388 which is 48.92% are part of larger brands. The top three cities with the most Orthodontists are Los Angeles with 1947 Orthodontists, San Diego with 630 Orthodontists, San Francisco with 576 Orthodontists. Average age of Orthodontists in California is 8 years and 5 months.