Whie Oh, MD - St. Helena Cardiology Whie Oh, MD - St. Helena Cardiology is located on 15250 Lakeshore Dr., Suite C in Concord. They can be reached by phone by calling (707) 995-3764 or by going to their website . They can be reached by calling (707) 995-3764 or going to their website . They have not yet been reviewed on MojoPages.com.