The collision was reported at 12:36 p.m. near Bush and Stockton streets, San Francisco police spokesman Officer Gordon Shyy said.
The woman, believed to be in her 60s, was still being treated at the scene for her injuries as of shortly after 1 p.m., Shyy said.
Fire officials said the injuries were not considered life-threatening.
No other information about the collision was immediately available from police or fire officials.