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HeadquartersSan Francisco, California

CrowdMed is a healthcare crowdsourcing platform based in San Francisco, California.[1][2][3][4] Jared Heyman, Axel Setyanto and Jessica Greenwalt founded the company in 2012.[5] CrowdMed aims to identify illnesses that have gone without a diagnosis and has handled more than 900 cases since its launch at TEDMED 2013 in Washington, D.C.[3][6][7]


CrowdMed was founded in 2012.[5] During the creation process, the company's website was tested with 300 randomly selected people in the summer of 2012.[8] It was one of 46 companies to participate in the Y Combinator winter 2013 class. CrowdMed launched its public beta at TEDMED 2013 in Washington, D.C. The company aims to speedup and lower the cost of diagnosing rare medical conditions by crowdsourcing and applying prediction market technology to medical data.[1][3][4] CrowdMed has users in 21 countries around the world, and has raised $2.4 million in seed funding from investors including New Enterprise Associates, Greylock Partners, Y Combinator, Andreessen Horowitz, SV Angel, Khosla Ventures and actor Patrick Dempsey.[2][3][9][10][7][11] Dr. Amin Azzam is adding CrowdMed cases to his curriculum at the University of California at Berkeley, California and San Francisco's joint medical program.[8][12]

Prior to founding CrowdMed, CEO Jared Heyman built the internet survey company Infosurv, lead developer Axel Setyano worked at Loku, and lead designer Jessica Greenwalt founded graphic design firm Pixelkeet.[3][4][7] Former WebMD general manager Clare Martorana and Second Life founder Philip Rosedale are advisors for the company.[3][7]


CrowdMed offers three paid packages each providing additional benefits.[13] User information is kept anonymous and their case includes symptoms, health history, family background, and tests that have already been taken.[2][3][4][9][10] Hundreds of "medical detectives" then submit possible diagnoses which other detectives bet upon to agree with the result. These "medical detectives" can be anyone from medical school students, to retired physicians, to anyone else, as there is no requirement for a medical degree to help solve these illnesses.[14] In the end, the top three diagnoses are given to the patient for them to take to their doctor.[5][7][10][11] The results from each medical detective are weighed based on their prior performance and current rating from patients, additionally medical detectives may also earn and share monetary rewards offered by patients to anyone who helps solve their case.[15] As of May 2015, CrowdMed has solved over 900 cases, which take from a few weeks to a month to solve.[14]


Users have expressed concerns that the information provided may not always come from reliable sources.[10][14][10][16][17]


  1. ^ a b "CrowdMed". AngelList. Retrieved February 11, 2015.
  2. ^ a b c Brian S. Hall (May 8, 2013). "CrowdMed Wants To Crowdsource Your Medical Care To Strangers". Readwrite. Retrieved February 11, 2015.
  3. ^ a b c d e f g Ryan Lawler (April 16, 2013). "With $1.1 Million In Funding, YC-Backed CrowdMed Launches To Crowdsource Medical Diagnoses". TechCrunch. Retrieved February 11, 2015.
  4. ^ a b c d Heather Sullivan (September 10, 2014). "CrowdMed uses crowdsourcing to diagnose medical problems". NBC. Retrieved February 11, 2015.
  5. ^ a b c Joshua Brustein (March 13, 2014). "Can Crowdsourcing Your Symptoms Reveal What Ails You?". BusinessWeek.
  6. ^ Raheem F. Hosseini (August 21, 2014). "Sacramento patients crowdsource medicine and more on sites like CrowdMed". Newsreview. Retrieved February 11, 2015.
  7. ^ a b c d e Liat Clark (April 17, 2013). "Medical web tool lets the crowd diagnose your illness". Wired. Retrieved February 11, 2015.
  8. ^ a b Ron Leuty (April 4, 2014). "Medical diagnosis goes to the crowd". San Francisco Business Times. Retrieved February 11, 2015.
  9. ^ a b Lora Kolodny (May 20, 2014). "Patrick 'McDreamy' Dempsey Invests in Health Startup CrowdMed". The Wall Street Journal. Retrieved February 11, 2015.
  10. ^ a b c d e Carrie Arnold (August 20, 2014). "Can the Crowd Solve Medical Mysteries?". PBS. Retrieved February 11, 2015.
  11. ^ a b Jonah Comstock (April 23, 2013). "CrowdMed gets $1.1M to crowdsource diagnosis". Mobi Health News. Retrieved February 11, 2015.
  12. ^ Tracy Seipel (May 5, 2014). "The crowd will see you now: Company taps Web for tough diagnoses". San Jose Mercury News.
  13. ^ "Does it cost anything to submit a case on CrowdMed?". CrowdMed. Retrieved 7 April 2016.
  14. ^ a b c Belluz, Julia (May 9, 2015). "The wisdom of Crowdmed: how one website is trying to solve medical mysteries". Vox. Retrieved May 21, 2015.
  15. ^ Jason Shafrin (April 23, 2014). "CrowdMed". Healthcare Economist. Retrieved February 11, 2015.
  16. ^ "The dangers of crowdsourced medicine". San Francisco Chronicle. Retrieved 2018-03-11.
  17. ^ "The dangers of inexpert diagnosis from a noisy crowd". 2017-03-18. Retrieved 2018-03-11.

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