Oxford Health Plans, part of UnitedHealthcare Co., will be pulling out of the New Jersey Obamacare market next year.

The company's decision to add New Jersey to the list of states in which it will no longer sell Obamacare policies will impact nearly 11,000 consumers, according to the N.J. Department of Banking and Insurance.

Those who are affected by Oxford's withdrawal will receive letters notifying them of the company's withdrawal, and can pick a new insurer when open enrollment begins Nov. 1. Their coverage will remain intact until the close of 2016.

The company will continue to sell individual plans directly to consumers - in other words, not through the Affordable Care Act website that allows people to apply for a federal subsidy to lower the cost of their monthly premiums. In the first three years of the Affordable Care Act, roughly four out of five people buying their health insurance through the federal exchange qualified for some form of government subsidy.

The company will also continue to sell group plans to small employers. Its two companies, Oxford Health Insurance Co. and Oxford Health Plans, have a small-business market share that covers about 80,000 people.

"Our small and large group business, Medicare and Medicaid businesses will not be impacted by this decision," a company spokeswoman said in a statement.

UnitedHealthcare, Oxford's parent company, had indicated it would be pulling out of nearly all of the states in which it sold ACA policies, saying it was losing money on that sector.

In some states, its withdrawal has left consumers will just one or two choices.

In New Jersey, however, consumers will still have four companies from which to choose.

UnitedHealthcare is the largest private health insurer in the country. It moved cautiously went it came to Obamacare, however, choosing to sell policies in just four states in 2014, the ACA's first year.

After that, it expanded to 23 states the next year, then to its current roster of 34, according to Kaiser Health News. It became New Jersey's fourth participating company when it set up shop here in the second year of Obamacare.

Kathleen O'Brien may be reached at kobrien@njadvancemedia.com. Follow her on Twitter @OBrienLedger. Find NJ.com on Facebook.