Welcome to Newhart Orthodontics, Orthodontics Only & Alpan Orthodontics on Larchmont, in Hollywood, Los Angeles, California. The combination of doctors is renowned for exceptional orthodontic care. Led by Dr. David Alpan, a Top 1% preferred Invisalign provider, our Larchmont office specializes in accelerated braces, lingual braces, Invisalign, traditional metal and gold braces, and comprehensive TMJ & sleep apnea treatments.