Kansas Historical Society 6425 S. W, 6th Ave. Topeka, KS 66615
phone (785) 272-8681
They have access to "Case Files" from the hospital and also some probate files. The Case Files are confidential, but there may be something there that could be given that would not break the confidentiality. It's worth a try.
Or you can try:
Shawnee County Courthouse Vital Statistics 200 S. E. 7th St. Topeka, KS 66603