★★★★★ 5 · 126 Google reviews · 301 Old San Francisco Rd Level 2
Kathy (Ying) Guo, D.O. holds a 5 star average across 126 Google reviews, which places it at #6 for primary & family care in Sunnyvale on our rankings. Positions come from verified public ratings and review volume, refreshed monthly. See the full list on the Primary & Family Care rankings page.
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