AUGS (American Urogynecologic Society) has a locator, here's a link to page to get to them. On their locator page, Insert your zip code and it should pull up those in your area, then google each dr to see who is a good fit for your needs.
http://pelvicorganprolapsesupport.org/health_care_connections/urogynecologists-uscanada
If you have problems, give me a shout.
Sher
Can your ob-gyn not recommend someone? Is there a good teaching hospital in the area who can give you advice as to who is doing a lot of this kind of surgery?