His areas of expertise include the following: refractive surgery (vision correction surgery), external eye diseases, and cornea problems. He is in-network for several insurance carriers, including Anthem, Blue Cross/Blue Shield, and CIGNA Plans. Dr. Barth's education and training includes medical school at the University of Southern California (USC), Keck School of Medicine and residency at Casey Eye Institute. He offers language support for Filipino and Spanish-speaking patients. Dr. Barth's professional affiliations include Sutter Pacific Community Provider Network and Sutter Santa Rosa Regional Hospital. He is accepting new patients.