Can’t show if $1B plan’s helping any

Mayor de Blasio still hasn’t proven a $1 billion mental health plan spearheaded by his wife is actually helping New Yorkers — raising concerns about whether the effort is worth taxpayer money as the city readies for an uncertain fiscal future.

Comptroller Scott Stringer blasted First Lady Chirlane McCray’s ThriveNYC on Tuesday for failing to provide data showing its programs are working despite promises to do so by the end of last year, adding the plan to his watch list of city agencies that don’t appear to use funding effectively.

Doubts over the pricey mental health plan come as the city faces cuts and cost shifts because of a $6 billion state budget gap and officials prepare for a likely recession, relying on rainy-day “reserves” that Stringer believes aren’t large enough.

“There are good intentions … but we’re spending a lot of money on a lot of different programs,” Stringer said during a briefing on de Blasio’s budget Tuesday. “It is becoming something that does not appear to be managed well.”

A likely 2021 candidate for mayor, Stringer added that he would “probably dismantle” Thrive if elected to City Hall.

The price tag for Thrive programs is $231 million under de Blasio’s $95.3 billion preliminary budget for fiscal year 2021, which begins July 1, reaching about $1 billion over the four-year spending plan.

Stringer said there’s no “rhyme or reason” for why programs are part or Thrive or not — pointing out some are considered a part of the plan “one day but are not the next.” The city pledged to release “outcome indicators” in 2019 showing what Thrive has accomplished but hadn’t done so by Tuesday.

“When you say you’re going to give numbers and you don’t give those numbers, that’s very telling,” Stringer said. “It’s become more of a political conversation.”

De Blasio’s office didn’t address why Thrive’s performance data wasn’t available. “The Mayor’s Office of ThriveNYC is committed to closing critical gaps in our mental health care system, getting people in need connected to care, and we have spent the last year engaged in a comprehensive review of all programs to ensure we are effectively reachi ng New Yorkers,” Thrive spokesman Joshua Goodman said. “Our 30-plus programs serve hundreds of thousands of New Yorkers, and we plan to share full details with the comptroller’s office.”

Stringer’s “agency watch list” also includes the Departments of Correction and Social Services this year, noting the high cost per inmate and increases in homeless on the street and in a shelter.