UnitedHealth Group Inc. UNH, the bellwether of health insurance companies, has a strong presence in the sector and is among the top five companies in the industry. This Minneapolis-based company is well known for its diversified business profile providing an array of well-being services to people through all stages of life.UnitedHealth stands apart from its peers as it has focused on growing the less regulated business that is the health services segment named as Optum. This health service segment is like a jewel in the crown for the company and is expected to make increasing contribution to the group’s overall revenues going forward. The company’s recent acquisition of Catamaran will beef up its pharmacy benefits business, OptumRx.While the company plans to quit the exchange business in Michigan in 2017, it already announced to exit Arkansas, Georgia exchanges.UnitedHealth has a pretty good earnings track record with the company delivering positive earnings surprises in each of the last four quarters with an average surprise of 3.1%.Currently, UnitedHealth has a Zacks Rank #3 (Hold). We have highlighted some of the key stats from this just-revealed announcement below:Earnings Beat: UnitedHealth beat first quarter earnings by 5.2%. Our consensus called for EPS of $1.72 and the company reported EPS of $1.81.Revenues in line: Revenues were almost in line. UnitedHealth posted revenues of $44.5 billion, compared to our consensus estimate of $44.7 billion and grew 21% year over year. Key Stats: Revenues from the company’s health care segment came in at $35.9 billion up 10.1% year over year while the other segment – Optum posted revenue of $19.7 billion up 54% year over year.The company’s Medical membership increased to 47.7 million up from 45.8 million in the last year quarter.Guidance for 2016 –The insurer projected 2016 earnings in a range of $7.75 to $7.95 per share, revenues of $182 billion and cash flows from operations of upto $10 billion.Check back later for our full write up on this UnitedHealth earnings report later! Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next30 Days. Click to get this free report >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report UNITEDHEALTH GP (UNH): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research