Mount Sinai is restricting some Medicaid patients while New York expands care for illegal immigrants, and Mayor Zohran Mamdani is suing to block Trump rules that would end the free ride for welfare-dependent noncitizens.

Breitbart News reported that internationally renowned Mount Sinai Hospital moved in August to stop taking some new patients on public insurance, a cost-saving step after heavy Medicaid volume. At the same time, Mayor Zohran Mamdani has led a coalition lawsuit against the Trump administration’s public charge rule, the policy that lets immigration officers weigh welfare use when deciding green cards.

The collision is simple. Legal residents on certain Medicaid plans hit enrollment walls at a top-tier New York facility. Illegal immigrants retain pathways to care the city and state have widened. Taxpayers cover both sides of that ledger.

Mamdani announced the suit “just last month” alongside New York Attorney General Letitia James and other progressive figures. The mayor framed the federal rule as an attack on immigrant families and warned of mass un-enrollment from health programs.

Mamdani calls self-sufficiency rules “cruelty”

Mamdani did not say much about the Trump administration effort to keep dependent noncitizens off the welfare system and out of green-card lines.

He said:

"The new public charge rule seeks to push immigrant families away from the programs that have kept people fed and healthy for decades."

He added that New Yorkers would fear seeing a doctor or seeking help they are legally entitled to, and that the fear would spread beyond the families the federal government targets. He estimated up to 4 million people nationwide could drop health coverage, including 1.8 million children, and claimed “people could die.”

His closing line was blunt:

"Cruelty is not how we choose to govern. Immigrants are New Yorkers."

The New York Post reported that Mamdani’s administration filed a separate suit with Chicago, Seattle, and San Francisco. The rule, announced in July, was set to take effect shortly after the filing and allows denial of green cards when immigrants appear likely to depend on taxpayer benefits such as food stamps and Medicaid. A similar earlier Trump-era version had been blocked in courts until the Biden administration ended it.

That filing matches the pattern of other Mamdani flashpoints that have drawn sharp public pushback, including the moment Mamdani and AOC were caught laughing during a 9/11 victims’ name reading at Ground Zero.

Mount Sinai draws a line on some Medicaid plans

While City Hall sued to protect benefits access for noncitizens, Mount Sinai announced its own limits. The hospital described the August change as a cost-saving measure driven by revenue lost from the large number of patients on Medicaid.

Spokesperson Lucia Lee said:

"Mount Sinai is committed to ensuring that our patients have access to high-quality care while also maintaining the resources necessary to serve our communities."

The practical result, as described in the reporting, is that some legal citizens on certain Medicaid plans can no longer newly enroll for care at the hospital. Mount Sinai’s own website still states that it provides “no-cost, confidential health care and other support services” to illegal migrants “who have suffered a work-related injury or illness, regardless of documentation or insurance status.”

In plain terms, a premier New York medical center is rationing entry for some insured Americans even as it advertises free injury care for workers here illegally. Hospital leaders cited money. City leaders cited compassion. Working families see the invoice.

Public frustration with the mayor has already surfaced in blunt fashion, as when NYC Mayor Mamdani was booed off stage at an NYPD event on Staten Island in under a minute.

New York already opened Medicaid to illegal immigrants 65 and older

The hospital squeeze did not arrive in a vacuum. In January 2024, New York expanded comprehensive Medicaid to otherwise-eligible undocumented residents age 65 and older. Vice President JD Vance highlighted that expansion last year.

That state choice sits beside national welfare-use numbers cited in the same reporting. About 47 percent of immigrant-headed households in the United States were on one or more traditional forms of welfare from 2021-2025. Twenty-eight percent of American citizen-headed households were on one or more of those programs, a 19-point gap.

Just The News reported that Mamdani’s joint lawsuit with the mayors of Chicago and San Francisco targets the rule blocking green cards and visas for people using welfare programs, and that the action coincides with a separate challenge from Attorney General James.

The public charge rule is not complicated. It asks whether a newcomer is likely to rely on taxpayers before the government grants permanent status. Mamdani treats that question as illegitimate. Most voters treat it as basic housekeeping.

His administration has drawn separate scrutiny on other fronts, including a City Council hearing on the Mamdani administration’s secret influencer operation.

James multiplies the legal fight while taxpayers keep paying

The Washington Examiner noted that Mamdani announced New York City is suing to block the rule that weighs immigrants’ use of Medicaid and food stamps for green cards, that he called the rule cruel and unlawful, and that James filed a companion suit with 21 states and the District of Columbia. The rule was set to take effect on a Friday after the announcements.

Mamdani’s own words make the priority clear. He warned of chilling effects and deaths. He did not dwell on the reverse chill, citizens priced out or delayed at flagship hospitals because public insurance rolls are swollen. He did not address the 19-point welfare gap between immigrant-headed and citizen-headed households. He did not explain why New York’s 2024 Medicaid expansion for older illegal immigrants should be insulated from any federal self-sufficiency test.

The lawsuit coalition is Democrat-run cities defending open access to benefits. The hospital is a world-class institution protecting its balance sheet. The federal rule is an attempt to restore an old American expectation: people who want permanent status should be able to stand on their own.

That expectation has already cost Mamdani goodwill in personal settings, including the case where a fallen soldier’s family kept Mayor Mamdani from speaking at her Queens funeral.

Two-tier reality in a socialist-led city

Put the timeline together. January 2024: New York opens comprehensive Medicaid to undocumented residents 65 and older. 2021-2025 data window: immigrant-headed households use traditional welfare at far higher rates than citizen-headed ones. August: Mount Sinai limits some new Medicaid enrollments to stanch losses. Last month: Mamdani and James sue to stop the Trump public charge rule from tying green cards to welfare dependence.

Each step is documented. None of them require mind-reading. The city expands benefits. The hospital rations entry for some insured Americans. The mayor goes to court to keep federal immigration benefits available to people already on the dole. Citizens who play by the rules watch the order of priority.

Mamdani insists immigrants are New Yorkers and that limiting welfare-linked green cards equals cruelty. The counter is older and simpler. American citizenship and lawful permanent status are not participation trophies. They are commitments. When nearly half of immigrant-headed households draw traditional welfare, and when a top hospital starts turning away some Medicaid patients while still advertising free care for illegal workers hurt on the job, the commitment is being rewritten without voter consent.

James and the multi-state suit widen the same fight. Progressive attorneys general want the federal government barred from asking the self-sufficiency question. The Trump administration wants the question restored. Mount Sinai’s ledger already answered it in the only language hospitals ultimately obey: revenue and capacity.

New Yorkers living with the consequences do not need another lecture about fear. They need an honest queue of who gets the appointment, who gets the subsidy, and who gets told to wait.

Taxpayers should not rank behind illegal immigrants at the hospital door or in the green-card line, and any mayor who sues to keep that upside-down order owns the results.