1st Medical Network LLC will be moving into 10,253 square feet of office space at The 1899 Powers Ferry Building in Atlanta, GA. The 92,305-square-foot office building is four stories. Insignia/ESG's Agency Leasing brokers Greg Frankum, director, Leigh Bower, managing director, and Mike Aiken, leasing associate, represented the landlord, Daniel Corp. Insignia/ESG Broker Steve Barton, managing director, represented the tenant, Georgia's largest provider-owned PPO network, in the lease transaction.