After completing a residency in pediatrics and one in preventive medicine at Johns Hopkins, I started a practice for my neighborhood of Williamsburg, Brooklyn in September 2007. People would visit my website; see my Google calendar; choose a time and input their symptoms; my iphone would alert me; I would make a house call; they'd pay me via Paypal; and we'd follow up by email, IM, videochat, or in person.

Fast Company calls me The Doctor of the Future. I've got a design and consulting firm called The Future Well. Read more about me here.

  • Herd immunity

    This is why vaccines are so important.

    Herd immunity (or community immunity) describes a type of immunity that occurs when the vaccination of a portion of the population (or herd) provides protection to unprotected individuals. Herd immunity theory proposes that, in diseases passed from person-to-person, it is more difficult to maintain a chain of infection when large numbers of a population are immune. The higher the proportion of individuals who are immune, the lower the likelihood that a susceptible person will come into contact with an infected individual.

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