It does seem likely that any attribution of Buddhist cosmology to the modern-day theory of the multiverse is a stretch. It also seems that it is a bit outside of the realm of the Dhamma, if only based on the fact that having such knowledge wouldn't necessarily bring one closer to the cessation of suffering.
Yes, I've read the Wiki page as well as others and have a general understanding of the basic physics of the theory. I was just wondering if the Buddha said any such thing since he did spend some time speaking about cosmology and reality as he experienced it. To answer your question, it doesn't seem like there is any multiverse idea in Buddhism from what I gather from the responses. The passage quoted seems to be talking about different places in one universe (as you put it).
Thanks for the responses everyone.