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Founded1 January 1998 Edit this on Wikidata
United States Edit this on Wikidata
Revenue$93.7 million (2009)
$83.3 million (2008)[1]

Epocrates is a mobile medical reference app, owned by Watertown, Massachusetts-based athenahealth, that provides clinical reference information on drugs, diseases, diagnostics and patient management.


The Epocrates app is designed for physicians and other healthcare professionals for use at the point of care. App users check drug dosing, drug interactions,[2] drug safety details, medical news, disease diagnosis and management guidance, as well as evidence-based clinical practice guidelines. Information from various authoritative sources, including the FDA and primary medical literature, is distilled and digitally transformed to support clinical decision-making. Additional app functionality includes the ability to identify an unknown pill based on its characteristics, hundreds of medical calculators and risk assessment tools, laboratory test ordering guide, therapeutic recommendations based on patient characteristics, infectious disease treatment guide, and coding look-ups.[citation needed]

athenahealth markets free and paid subscription versions of the app, which are available from Google Play or the App Store.[3]  


Founded in 1998 by three Stanford business school students,[4] early versions of Epocrates ran on Palm devices[5] and desktop computers. By 2006, the user base had reached an estimated 525,000 users worldwide, including 200,000 doctors in the United States.[6] Upon the introduction of the Apple iPhone, Epocrates became the first medical app on Apple's mobile platform.[citation needed]

Early funding partners [AM1] included Bay City Capital, Draper Fisher Jurvetson, Interwest Partners, Sprout Group, and Three Arch Partners.[6]

In 2010, the company grew to more than 250 employees[4] and surpassed 1 million users worldwide, including 40% of the physicians in the United States.[7]

On January 7, 2013, it was announced that athenahealth would acquire Epocrates for about $293 million.[citation needed]


  1. ^
  2. ^ Candice Novak (May 14, 2008). "Healthcare IT company is going public after partnering with Apple". US News.[verification needed]
  3. ^ "Last Day to Get Epocrates Essentials for Free for Medical Students". Medgadget. August 31, 2010.[verification needed]
  4. ^ a b "Media Room". Epocrates.[verification needed]
  5. ^ Milt Freudenheim (January 8, 2001). "Digital Doctoring; The Race Is On to Put a Computer Into Every Physician's Hand". New York Times.[verification needed]
  6. ^ a b Chris Rauber (August 18, 2006). "Epocrates putting drug info into docs' pockets". San Francisco Business Times.[verification needed]
  7. ^ "Epocrates files to raise up to $75M in IPO". San Francisco Business Times. July 16, 2010.[verification needed]