Summary List PlacementAt-home healthcare startup DispatchHealth is back with another nine-figure fundraise and a valuation to match. The eight-year-old startup announced Wednesday that it raised $200 million in Series D funding at a $1.7 billion valuation. Tiger Global led the round, which also included participation from existing investors Alta Partners, Echo Health Ventures, Humana, Oak HC/FT, and Questa Capital. The new funding comes less than a year after Dispatch raised $135.8 million in a Series C round. The funds will go toward Dispatch's expansion plans, which include beginning operations in roughly 100 total cities, up from 31 today.