Michael R. Zarnowitz, DDS, PC Orthodontics 833 West San Marcos Blvd. San Marcos, California 92078 760 744-0960 Fax: 760 744-5087 Info@DrZBraces.com Weekly Hours:   Tuesday 9-5   Wednesday 11-7   Thursday 9-5   Friday 10:30-5 Check our weekly update on our hours under News.