A feature rich OpenSource Core Electronic Medical Record for small medical providers developed with Plone/ Python/ Zope. Core EMR functionalities: Patient History, Past Visits, Rx, Health Maint., Allergies, Labs, Vitals, Notes, and Procedures.
FreePM is an opensource physicians practice management / electronic medical record application.
The company providing support for FreePM nolonger exists. You may consider TORCH http://sourceforge.net/projects/op-torch/
or one of the other FOSS EMR's.