The ads below can be found in the November 1919 issue. Dr. W. C. Gewin, "Surgeon in Charge," owned the facility on Tuscaloosa Avenue in West End which consisted of a former residence and an addition. He had also been a Professor of Hygiene at Birmingham Medical College. I've yet to determine when Dr. Gewin opened his clinic.
In November 1921 the Birmingham Baptist Association purchased the Infirmary and the following month Birmingham Baptist Hospital was incorporated. Baptist Hospital Princeton currently occupies the site. You can read more about its history at BhamWiki. Howard Holley's A History of Medicine in Alabama has more history on page 69.