Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
NPI - HME billing data (NPI Search Lookup, UPIN, ICD-9 ...)
Billing data for home medical equipment providers with free database searches. UPIN, ICD-9, Medicare Allowables, and Medigap.