Keating Patrick Dennis MD They are knowledgeable in the following conditions / disorders: Cataract. Keating Patrick Dennis MD is located on 6325 Topanga Canyon Blvd Ste 430 in Woodland Hills. They can be reached by phone by calling (818) 704-5990 . Their hours of operation are 7 days a week Daytime to Night and they can be reached by calling (818) 704-5990 . They can perform the following procedures / treatments: Lasik. They have not yet been reviewed on MojoPages.com.