Category: Health Care

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Nov
4

Certificate Authority Management System for Direct

The management software that runs the certificate authority (CA) at DirectCA.org, or more precisely console.directca.org, is now open source. “vcert” is a web-based application written. . .

Aug
28

Provider Directory Proposal (NPPES Redux)

A couple of weeks ago, I attended ONC’s Direct Bootcamp in Crystal City, VA. A hot topic at the two-day conference was the notion of. . .

Aug
22

RESTFul Direct Certificate Discovery

Direct is a health information exchange framework based on Public Key Infrastructure (PKI) and email. Public x509 certificates must be discoverable for Direct to work. . .

Aug
19

How to Serve Public Certificates with BIND for the Direct Project

Serving public certificates via DNS is quite an obscure endeavor. This is made quite evident by the total lack of documentation on how to serve. . .

Aug
12

Direct Certificate Authority – directca.org

Over the past few months Videntity has built a robust, fully-functional certificate authority designed specifically with the Direct Project in mind. (You can find the. . .

Sep
3

The Problem with Using an HL7-based Format for Blue Button

I’d rather not compete with HL7, but the current state leaves me no choice but to speak up. Yes it would be a step in. . .

Jul
28

Fun with Framingham

Hot off the presses is an open source implementation of the Framingham 10 Year Heart Attack Risk Calculator. This software package consists of a command-line. . .

Jun
10

Less Bad is Mo’ Better – Thoughts on Last Week’s Health Code-a-Thon

Last weekend I participated in a code-a-thon sponsored by Health 2.0 and Kaiser Permanente. The goal was to develop applications that help fight obesity. My. . .

Apr
30

Exploring DocNPI.com’s API

DocNPI is a website and webervice for searching information in the National Provider Index (NPI) Registry. The NPI Registry is maintained by HHS and is. . .

Aug
19

OMHE Microsyntax for Medical Device Interoperability: An Open-Source Alternative to the Continua Alliance

OMHE (Open Mobile Health Exchange), pronounced “ooommm” is an open-source microsyntax for medical devices, mobile text messaging, Twitter®, smart phones, and any system capable of. . .

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