COLUMBIA, Md.--(BUSINESS WIRE)--Merkle (www.merkleinc.com), a leading technology-enabled, data-driven performance marketing agency, announced that Merkle Health was named one of the Top 100 Agencies of 2015 in the July issue of Medical, Marketing & Media Magazine. Merkle Health landed at number 11 in the Top 100 North American Healthcare Agencies, which was based off of 2014 US revenue. With the impressive 21 percent year-over-year revenue growth, Merkle Health was recognized earlier this y