Cosmetic & Family Dentist Sioux City IA WELCOME TO WHISPERING CREEK DENTAL Dr. John Welch, DDS, FAGD Welcome to Whispering Creek Dental. We are located in the Morningside area of Sioux City IA, just a stone’s throw away from the Whispering Creek Active Retirement Community. Dr. John Welch and our team at Whispering Creek Dental are ready to serve your entire family and we strive to make every dental visit a great experience. Family, Cosmetic and Implant Dentistry Dr. Welch is a talented dentist in Sioux City that can help your family with everything from cosmetic dentistry and Invisalign to emergency dentistry and dental implants. Our entire dental team strives to make every visit as pleasant and comfortable as possible.