WASHINGTON — President Donald Trump's administration this week provided deportation officials with personal data — including the immigration status — on millions of Medicaid enrollees, a move that could make it easier to locate people as part of his sweeping immigration crackdown.
An internal memo and emails obtained by The Associated Press show Medicaid officials unsuccessfully sought to block the data transfer, citing legal and ethical concerns.
Nevertheless, two top advisers to Health Secretary Robert F. Kennedy Jr. ordered the dataset handed over to the Department of Homeland Security, the emails show. Officials at the Centers for Medicare and Medicaid Services were given just 54 minutes on Tuesday to comply with the directive.
The dataset includes the information of people living in California, Illinois, Washington state and Washington, D.C., all of which allow non-U.S. citizens to enroll in Medicaid programs that pay for their expenses using only state taxpayer dollars. CMS transferred the information just as the Trump administration ramped up its enforcement efforts in Southern California.
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Gov. Gavin Newsom speaks Thursday at the California State Supreme Court building in San Francisco.Â
California Gov. Gavin Newsom's office said it's concerned about how deportation officials might utilize the data, especially as federal authorities conduct immigration raids with the assistance of National Guard troops and Marines in Los Angeles.
"We deeply value the privacy of all Californians," the statement said. "This potential data transfer brought to our attention by the AP is extremely concerning, and if true, potentially unlawful, particularly given numerous headlines highlighting potential improper federal use of personal information and federal actions to target the personal information of Americans."
U.S. Health and Human Services spokesman Andrew Nixon said the data sharing was legal. He declined to answer questions about why the data was shared with DHS and how it would be used.
DHS officials did not respond to requests for comment.
Besides helping authorities locate migrants, experts said, the government could also use the information to scuttle the hopes of migrants seeking green cards, permanent residency or citizenship if they ever obtained Medicaid benefits funded by the federal government.

President Donald Trump, left, speaks to Health and Human Services Secretary Robert F. Kennedy Jr. during a May 12 event in the Roosevelt Room at the White House in Washington.
A targeted review
CMS announced late last month that it reviewed some state's Medicaid enrollees to ensure federal funds have not been used to pay for coverage for people with "unsatisfactory immigration status."
In a letter sent to state Medicaid officials, CMS said that the effort was part of Trump's Feb. 19 executive order titled "Ending Taxpayer Subsidization of Open Borders."
As part of the review, California, Washington and Illinois shared details about non-U.S. citizens who enrolled in their state's Medicaid program, according to a June 6 memo signed by Medicaid Deputy Director Sara Vitolo that was obtained by the AP. The memo was written by several CMS officials under Vitolo's supervision, according to sources familiar with the process.
The data includes addresses, names, social security numbers and claims data for enrollees in those states, according to the memo and two people familiar with what the states sent to CMS. Both individuals spoke on the condition of anonymity because they were not authorized to share details about the data exchange.
CMS officials attempted to fight the data sharing request from Homeland Security, saying that to do so would violate federal laws, including the Social Security Act and the Privacy Act of 1974, according to Vitolo's memo.
"Multiple federal statutory and regulatory authorities do not permit CMS to share this information with entities outside of CMS," Vitolo wrote, further explaining that the sharing of such personal data is only allowed for directly administering the Medicaid program.
Sharing information about Medicaid applicants or enrollees with DHS officials would violate a "longstanding policy," wrote Vitolo, a career employee, to Trump appointee Kim Brandt, deputy administrator and chief operating officer of CMS.
Vitolo and Brandt could not be reached for comment.
The legal arguments outlined in the memo were not persuasive to Trump appointees at HHS, which oversees the Medicaid agency.
Four days after the memo was sent, on June 10, HHS officials directed the transfer of "the data to DHS by 5:30 ET today," according to email exchanges obtained by AP.
Former government officials said the move was unusual because CMS, which has access to personal health data for almost half of the country, does not typically share such sensitive information with other departments.
"DHS has no role in anything related to Medicaid," said Jeffrey Grant, a former career employee at CMS.
Beyond her legal arguments, Vitolo said sharing the information with DHS could have a chilling effect on states, perhaps prompting them to withhold information. States, she added needed to guard against the "legal risk" they were taking by giving federal officials data that could be shared with deportation officials.
All states must legally provide emergency Medicaid services to non-U.S. citizens, including to those who are lawfully present but have not yet met a five-year wait to apply for Medicaid.
Seven states, along with the District, allow immigrants who are not living legally in the country to enroll — with full benefits — in their state's Medicaid program. The states launched these programs during the Biden administration and said they would not bill the federal government to cover those immigrants' health care costs.
The Trump administration raised doubts about that pledge.
Photos: Protesters clash with law enforcement in Los Angeles

California National Guard guard the Federal Building on Tuesday, June 10, 2025, in downtown Los Angeles. (AP Photo/Eric Thayer)

Diego Coloma rests on a railing as he looks on at law enforcement officers during a protest on Tuesday, June 10, 2025, in Los Angeles. (AP Photo/Eric Thayer)

A man raises his fist as California National Guardsmen look on during a protest on Tuesday, June 10, 2025, in Los Angeles. (AP Photo/Eric Thayer)

Demonstrators march during a protest Tuesday, June 10, 2025, in Los Angeles. (AP Photo/Eric Thayer)

Protesters gather to denounce ICE, U.S Immigration and Customs Enforcement, operations Tuesday, June 10, 2025, in Los Angeles. (AP Photo Damian Dovarganes)

California Highway Patrol officers clash with protesters on Tuesday, June 10, 2025, in Los Angeles. (AP Photo/Eric Thayer)

California Highway Patrol push protesters back along a street during a protest on Tuesday, June 10, 2025, in Los Angeles. (AP Photo/Eric Thayer)

A protester yells at police and federal agents in an action to denounce the ICE, U.S. Immigration and Customs Enforcement, operations in the area Tuesday, June 10, 2025, in downtown Los Angeles. (AP Photo/Eric Thayer)

A protester is arrested by California Highway Patrol near the federal building in downtown Los Angeles on Tuesday, June 10, 2025. (AP Photo/Eric Thayer)

Protesters are detained by law enforcement near the federal building in downtown Los Angeles on Tuesday, June 10, 2025. (AP Photo/Eric Thayer)

A protester is arrested by California Highway Patrol near the federal building in downtown Los Angeles on Tuesday, June 10, 2025. (AP Photo/Eric Thayer)

A protester offers a flower to Los Angeles police officers in riot gear while they attempt to clear a street in downtown Los Angeles on Monday, June 9, 2025. (AP Photo Jae Hong)

A person carrying multiple flags walks past a burning car during protests over the Trump administration's immigration raids in Los Angeles, Monday, June 9, 2025. (AP Photo/Ethan Swope)

Protesters jump over a fence to avoid being kettled by police during protests over the Trump administration's immigration raids in Los Angeles, Monday, June 9, 2025. (AP Photo/Ethan Swope)

An injured protester is tended to by another during protests over the Trump administration's immigration raids in Los Angeles, Monday, June 9, 2025. (AP Photo/Ethan Swope)

Protesters gather outside the federal building to denounce the ICE, U.S. Immigration and Customs Enforcement, operations in the area Tuesday, June 10, 2025, in downtown Los Angeles. (AP Photo/Eric Thayer)

Tear gas fills the street as protesters confront Border Patrol personnel during a demonstration over the dozens detained in an operation by federal immigration authorities a day earlier, in Paramount, Calif., on Saturday, June 7, 2025. (AP Photo/Eric Thayer)

A car burns during a protest in Compton, Calif., Saturday, June 7, 2025, after federal immigration authorities conducted operations. (AP Photo/Eric Thayer)

A person carries an injured protester to cover during a protest in Compton, Calif., Saturday, June 7, 2025, after federal immigration authorities conducted operations. (AP Photo/Ethan Swope)

Authorities stand in tear gas while trying to clear protesters at the metropolitan detention center in downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Jae Hong)

A protester is detained by police in downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Eric Thayer)

A protester is detained in downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Eric Thayer)

A police officer's face is covered in pepper spray outside the Metropolitan Detention Center of downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Jae Hong)

Maribel Parra screams as protesters confront a line of police near the metropolitan detention center of downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Jae Hong)

Protesters are seen on the 101 Freeway near the Metropolitan Detention Center of downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Eric Thayer)

A protester throws a smoke canister on the 101 Freeway near the Metropolitan Detention Center of downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Eric Thayer)

Protesters confront police on the 101 Freeway near the Metropolitan Detention Center of downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Jae C. Hong)

A protester holds a sign as a Waymo taxi burns near the metropolitan detention center of downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Eric Thayer)

A police officer fires a soft round near the metropolitan detention center of downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Eric Thayer)

Protesters take cover behind chairs near the Metropolitan Detention Center in downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Eric Thayer)

Officers make their way down a ramp to the 101 Freeway near the Metropolitan Detention Center in downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Jae C. Hong)

Matt Hobbs uses milk after being teargassed near the Metropolitan Detention Center in downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Jae C. Hong)

Two California Highway Patrol officers try to dodge rocks being thrown near the Metropolitan Detention Center in downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Jae C. Hong)

A protester throws a scooter at a police vehical near the metropolitan detention center of downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Jae C. Hong)

EDS NOTE: OBSCENITY A flash bomb explodes on the 101 Freeway near the metropolitan detention center of downtown Los Angeles, Sunday, June 8, 2025, following last night's immigration raid protest. (AP Photo/Eric Thayer)

People take cover as a fire work explodes during a protest near the Metropolitan Detention Center in downtown Los Angeles, Sunday, June 8, 2025. (AP Photo/Ethan Swope)

A woman waves the Mexican flag as flames erupt from a burning dumpster during a protest in downtown Los Angeles, Sunday, June 8, 2025. (AP Photo/Ethan Swope)

A California Highway Patrol officer pulls an electric scooter off a vehicle on a highway as protesters throw objects at the police vehicles near the Metropolitan Detention Center in downtown Los Angeles, Sunday, June 8, 2025. (AP Photo/Ethan Swope)