An Amazon representative told Business Insider the company does not comment on "rumours or speculation".
Amazon has opened four Amazon Go stores since it announced the concept in 2016.
According to a report, Amazon is considering opening 3,000 of its cashierless stores by 2021.
Customers enter Amazon Go by swiping their smartphone at a turnstile. Sensors and computer-vision technology detect what shoppers take and bills them automatically, eliminating checkout lines.More news: First American picked to direct next James Bond film
While the retail giant is discussing the idea to expand, the challenge lies in the high cost to open each location.
News of the company's potential ambitions for Amazon Go sent shares of grocery and retail rivals lower.
Amazon has become the world's largest online retailer by offering a vast selection and quick, convenient delivery. It would also change Amazon's business, putting more focus on its physical stores.More news: Malaysia ex-PM Najib arrested over link to 1MDB, to be charged
Those companies had already been on notice for more than a year after Amazon bought its way into brick-and-mortar groceries with the $13.5 billion acquisition of more than 470 Whole Foods Market stores. Amazon has committed to opening stores in NY and San Francisco.
"We have no plans to open 2,000 of anything", a spokesperson said a few days after the newspaper's story published.
If a shopper puts an item back on the shelf, Amazon removes it from his or her virtual cart. Bezos is willing to lose money on long-term initiatives when he smells opportunity. Amazon has since opened that store to the public and added two more in Seattle. Opening multiple locations in proximity, like it's doing in Seattle, could also help Amazon reduce costs by centralising food production in one kitchen serving many stores. For reference, there are about 155,000 convenience stores across the country, and about 80 percent of those are combined with gas stations.
The stores open in 2019 would be mostly in major metro areas, Bloomberg said. A fourth AmazonGo opened Monday in Chicago and there are plans to open a fifth in New York City.More news: Machines will handle half of workplace tasks by 2025