Stratose has purchased HFN Inc. for an undisclosed amount.

HFN, headquartered in Oakbrook, Ill., is a preferred provider organization that offers health care management services, including workers compensations return-to-work and group health programs.

Stratose provides health care cost management services. The Atlanta company issues discounts on medical, dental and workers compensation billing by accessing direct provider contracts, preferred provider organization networks, provider negotiation and repricing.

In a similar deal, Healthcare Solutions Inc. acquired Modern Medical, a pharmacy management and health services provider for the workers compensation market, in September.