Visualizing DocGraph in Gephi

Posted on Jun 25, 2013

Many thanks go to Dr. Janos G. Hajagos for giving such a great workshop!




Meetup Announcement:

The doctor referral data reveals the real recommendation system among doctors. You will know how popular/good the doctors are. The goal is to help you make informative decision.

The talk focused on how services are delivered to Medicare beneficiaries in New York City.


Dr. Janos G. Hajagos (Stony Brook Medicine) is the lead data analyst for a unique partnership between SUNY and the New York State Department of Health. He holds a Ph.D. in Ecology and Evolutionary Biology and has published widely from risk analysis to applications of the semantic web in healthcare. He is a participant in the CTSAConnect project whose goal is to make hidden resources and expertise at medical schools discoverable.


DocGraph is the brainchild of Fred Trotter, author and healthcare data activist. It connects healthcare service providers that share 10 or more Medicare beneficiaries in a 30 day window. Janos joined Fred in DocGraph project and has been applying social network analysis to healthcare data for several years.
Gephi is an open source tool for manipulating and analyzing graphs in real time.


Janos demonstrated how to extract a subset of doctors that are practicing in New York City and how he combined DocGraph with a modified version of the federal NPI database. He also talked about some of the challenges and pitfalls of working with DocGraph and other healthcare datasets.


Other Useful Info Link:

Additional Links:

Visualization the DocGraph for Wyoming Medicare Providers:

Video about "Visualizing DocGraph in Gephi":

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