Have you viewed it in the Layers Panel? This is the easiest way to see how many paths really exist.
You could also convert the selection to a Live Paint object and then fill it with the Live Paint Bucket tool.
When you select the anchor and look into Layers panel, it should be listed as a single object. Also can you check if the object is not grouped or clipped etc.
- Which version of Illustrator?
- Can you provide a sample .ai file?