Find Your Vet Clinic and Claim Your Listing ! Claim this listing and manage your memorials! If you own this animal clinic and would like to manage your listing information and obituaries then click the claim listing button below! Claim ListingJohn E Holman Jr DvmPhone: 301-299-9289Address: 11807 Enid Dr Potomac, MD Derwood Maryland, 20854 MemorialsNo Memorials for this location