Toyota 100 Cars for Good Facebook users decided which 100 nonprofits took home the Toyota of their choice. Your votes helped Toyota give 100 vehicles to nonprofits all over the country. Each day, Facebook users decided which nonprofit could do the most good with a new vehicle.
PAR stands for Participating Provider (medical billing). Suggest new definition. This definition appears very frequently and is found in the following Acronym Finder categories: 1  Science, medicine, engineering, etc.2  Business, finance, etc.AR stands for Participating Provider (medical billing). Suggest new definition. This definition appears very frequently and is found in the following Acronym Finder categories: 1  Science, medicine, engineering, etc. 2  Business, finance, etc.
What Does PRN Stand For? (Medical Abbreviation & Meaning) The term PRN is a Latin phrase typically used in the medical field, which means pro re nata, translated, âas neededâor âwhen necessaryâ. Simply put when you hear or see someone use the abbreviation PRN within the medical field they are likely saying, use as needed.