CMS Webinar on Retail Community Pharmacy Consumer Prices Survey (July 26) By Debra A. McCurdy on 25 July 2012 Print:Email this postLike this postShare this post on LinkedIn CMS is hosting a webinar on July 26, 2012 to discuss the draft methodology for Estimating National Average Retail Prices (NARP) for Medicaid Covered Outpatient Drugs.