San Diego, California — July 5, 2004 — Pennington Firm, an open source software development company, is chosen by two clinics to implement the open source electronic medical record (EMR) application OpenEMR. Clinics choosing OpenEMR in June 2004 are: West Marion Family Medicine in Florida; and Operation Samahan in California. Pennington Firm is assisting both with electronic billing using a clearinghouse. OpenEMR supports two clearinghouses, ProxyMed and ZirMed. OpenEMR has the ability to submit in the ANSI X12 format, allowing clinics to make direct submissions to payers such as Medicare or Medicaid.