Mashburn Amy B MD Ph.D. They are knowledgeable in the following conditions / disorders: Asthma. Mashburn Amy B MD Ph.D. is located on 106 Ladish Rd in Cynthiana. They can be reached by phone by calling (859) 234-8852 . They can be reached by calling (859) 234-8852 . They have not yet been reviewed on MojoPages.com.