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City Hall’s lack of transparency over how its splitting up much-sought-after medical supplies and other assistance at Big Apple hospitals has incited the latest cry from Staten Island pols that they really do represent the “forgotten borough.”

The 11 state and city elected officials representing Staten Island signed off a scathing letter to de Blasio on Wednesday, saying that while both of the borough’s hospitals are privately run “the city should [still] be providing [them and its] healthcare workers with the same resources it’s giving the other boroughs, especially during this crisis.”

They specifically noted de Blasio’s refusal to provide Staten Island University Hospital and Richmond University Medical Center with none of the 291 military medical workers the federal government loaned to the city’s hospital system earlier this week.

And they ripped the city’s decision not to expand free testing of the virus made available to the public hospital staffers to the private hospitals on Staten Island.

“This is both unacceptable and offensive,” said the letter, whose signatories included Borough President James Oddo, state Assemblywoman Nicole Malliotakis and Staten Island’s three council members.

The letter failed to note that all other city-based private hospitals are in the same boat.

De Blasio fired back at the Staten Island delegation on Thursday, insisting its hospitals are receiving a fair share of medical supplies like the rest of the city.

“I understand the history… of why some people on Staten Island are very concerned about making sure Staten Island is not ignored, but I want to protest when actual constant shipments of needed supplies and equipment are going to Staten Island hospitals,” said Hizzoner, while not offering specifics.

The mayor also said he hoped to expand free testing to borough healthcare workers as more becomes available and bluntly added the military were needed more at Elmhurst, Bellevue and other hospitals ravaged worst by the virus.

“I think that was the right priority because those were the places bearing the brunt the most,” Hizzoner said.

Councilman Steven Matteo (R-Staten Island) wasn’t happy with the mayor’s response.

“Our borough has been underserved by healthcare services for as long as anyone can remember, and rather than use the opportunity of this crisis to help fix that inequity and give us the resources we need, this administration is making my colleagues and I fight for everything from staffing, supplies, equipment and emergency services, to reopening the Staten Island morgue, “ Matteo said.

“Staten Island should not be made to scrape and claw just to be treated the same as every other borough in this city.”

Staten Island residents comprised 5,831 of the city’s 84,373 confirmed coronavirus cases as of Thursday morning.