Davis Mark S is located at 340 Montauk Hwy, Wainscott, NY. This location is in the East New York neighborhood. This business specializes in Veterinarians and Veterinary Medicine. Davis Mark S is open Mon, 8am-5pm; Tue, 8am-5pm; Wed, Closed; Thu, 8am-5pm; Fri, 8am-5pm; Sat, 8am-3pm; Sun, Closed and accepts All Major Credit Cards, American Express, Cash, Personal Checks and Visa.