Practice Fusion is a free, web-based electronic health record

Electronic Health Record

An electronic health record is an evolving concept defined as a systematic collection of electronic health information about individual patients or populations...

 company Co-founded in 2005 by Ryan Howard and Alan Wong. Based in San Francisco, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 the SaaS

Saas

SAAS is an abbreviation for* Social Accountability Accreditation Services* Software as a service * Student Awards Agency for Scotland* Seattle Academy of Arts and Sciences* South Australian Ambulance Service...

 startup provides advertising-supported

Adware

Adware, or advertising-supported software, is any software package which automatically plays, displays, or downloads advertisements to a computer. These advertisements can be in the form of a pop-up. They may also be in the user interface of the software or on a screen presented to the user during...

 records management and related services to doctors and medical practices. Among the other services provided are charting, e-prescribing, billing, scheduling, and patient management.

Practice Fusion has over 100,000 users and over 20 million patients in 50 states.