The next city health-care crackdown: alcohol abuse.

Having attacked smoking, trans fats and sugary drinks, the Bloomberg administration is ramping up its campaign against alcohol abuse, The Post has learned.

The city Health Department will be conducting a massive, 50-question telephone survey of New Yorkers to get a better handle on the level of alcohol abuse in the city.

“We routinely conduct surveys about important health issues to learn more about them, and underage and excessive drinking are serious health issues,” said Health Department spokesman Sam Miller.

Typically, the department asks a handful of questions about drinking and drugs as part of an annual survey that queries residents about many other medical issues.

But this poll will put a heavy emphasis on booze, along with some questions on drug use, indicating the city is delving deeper into the drinking problem.

“Issues to be explored include behavior patterns around unhealthy alcohol consumption and awareness of existing alcohol-related laws and standards,’’ the department told bidders hoping to conduct the poll.

The poll, which should be completed by the end of September, will “oversample” young adults to make comparisons between 18- to 20-year-olds and 21- to 29-year-olds, health officials said.

The department declined to divulge questions, saying the survey is still in the drafting stages.

But it has been engaged in a media-education campaign to warn against dangerous binge drinking.

Research from 2010 shows about half of New Yorkers 21 and older drink alcohol. More than one in 10 young adults say they are heavy drinkers, and 42 percent are binge drinkers.

Meanwhile, one in four underage drinkers, ages 12 to 20, have reported drinking booze. And 52 percent of those youngsters who do imbibe reported binge-drinking, while 10 percent described themselves as heavy drinkers.

The Health Department insisted the new polling research is aimed at improving its public-education campaign, not any new Prohibition-type edict to ban drinking.