About Norton Jon O DDS
Dental check-ups in San Marcos don’t always mean a long drive. Norton Jon O DDS keeps routine visits local at 375 S Rancho Santa Fe Rd STE 103, just off the freeway in a strip of low-slung offices that serve the north county commuters. From fillings and crowns to cleanings and digital X-rays, the practice covers the basics without the downtown markup.
Around here, the rhythm is steady—families from San Elijo Hills, office workers from the business park, and retirees from the mobile-home communities all pass through the same waiting list. The suite number is easy to miss if you’re scanning for flashy signage, so watch for the small blue plaque above the second door from the east end.
Most patients book a month out, though cancellations occasionally open up same-week slots. When your turn comes, expect the usual mix of plaque removal, fluoride treatments, and the occasional lecture on flossing that everyone secretly needs. No one leaves without a new toothbrush.
To claim a spot before the next school physical or insurance deductible resets, dial (760) 744-4988 and ask for the next available hygienist. For directions, pull up the map here: https://www.google.com/maps/place?ftid=0x80dc753e70d020c3:0x7c01c269d90aabe4.
This listing was last updated on May 12, 2026