The wellness program of Phoenix-based SmartPractice sponsored 93 entries for the P.F. Chang’s Rock-n-Roll Marathon and the runners raised more than $12,000 to fight eczema. That kind of health conciousness helped the company take No. 1 in the Phoenix Business Journal’s Healthiest Employers - Midsize Firms list, which was published today. Ranked second on the list was the Meredith Corp.