850-245-4444. Florida Health. 4052 Bald Cypress Way. Tallahassee, FL 32399. Naegleria fowleri is the causative agent for Primary Amebic Meningoencepalitis (PAM). It is a freshwater ameba commonly found in the environment worldwide. Most commonly, this ameba is found in warm bodies of fresh water, such as lakes, rivers, and hot springs, warm ....