RadNet (RDNT) reported Q4 adjusted net income late Thursday of $0.22 per diluted share, up from $0.15 a year earlier.
Analysts polled by FactSet expected $0.20.
Service revenue for the quarter ended Dec. 31 was $477.1 million, up from $420.4 million a year earlier.
Analysts surveyed by FactSet expected $461.8 million.
Shares of the company were down 7.8% in recent premarket activity Friday.