Clark Jack MD They are knowledgeable in the following conditions / disorders: Cataract, Diabetes, Glaucoma. Clark Jack MD is located on 7112 N Fresno St Ste 100 in Fresno. They can be reached by phone by calling (559) 439-1620 . They can be reached by calling (559) 439-1620 . They have not yet been reviewed on MojoPages.com.