You can find more than 250 types of doctors on Zocdoc—everyone from primary care physicians to dermatologists, OB-GYNs to oncologists, and more. In addition to doctors (licensed MDs or DOs), you can also find other types of licensed healthcare providers including nurse practitioners, physician assistants, nutritionists, or estheticians. Licenses and state-level requirements are reviewed before any healthcare providers are listed on Zocdoc.