1. ONC Population Health Software Development and Branches
High Level Summary
Seong K. Mun, PhD
Peter Li
OSEHRA

2. Population Health Major Branches
Frozen by ONC OSEHRA Transition
Sep 2014
Version 3 May 2014
OSEHRA
Trunk
Version 2.1
Feb 2013
MITRE Trunk
Nmedw branch
Jul 2014
(Mark Yoon)
MU-2 cert.
~ Dec 2013
May 2013
To be merged
Northwestern
Branch (nmedw)
eHCT v2 branch
Aug 2014
(Sabbir Siddiqui)
Aug 2013
eHealthConnecticut
Branch (V2)

3. Population Health Major Branches
Frozen by ONC OSEHRA Transition
Sep 2014
Version 2.1
Feb 2013
Version 3 May 2014
MITRE Trunk
OSEHRA
(Initial Fork)
May 2013
Rebased Jan 2013
Nmedw branch
Jul 2014
(Mark Yoon)
Northwestern
(2014 MU2 Certified)
Aug 2013
eHCT v2 branch
Aug 2014
(Sabbir Siddiqui)
eHealthConnecticut
(V2)

4. popHealth Software Versions
Version 2 – eHealthConnecticut (eHCT)
Use case for the States.
Feature extensions including import data from multiple organizations, view aggregate measure calculations across multiple organizations, role-based access, etc.
Active users include State of Connecticut and Illinois.
Version 3
Frozen master branch transitioned to OSEHRA.
Used by Northwestern University for MU-2 certification.
Newer technology stack – Ruby/Rail Version 4 with build-in RESTful API
Faster/smoother user interface based on Thorax Javascript framework
9/20/2018

5. Which version to use for the OSEHRA Master branch?
Based on analysis of features, representatives from State of Connecticut and Illinois have agreed that V3 should be the OSEHRA Master branch.
Currently awaiting for assessment from Northwestern University.
9/20/2018

6. 9/20/2018