Israel has not disclosed the number of groups facing a ban, but it has specifically called out Doctors Without Borders (MSF) for failing to meet the rules.
Trump, who said Netanyahu had asked for the talks, is reportedly keen to announce -- as soon as January -- a Palestinian technocratic government for Gaza.
Gaza's Health Ministry has said dozens of people, including a two-week-old infant, have died from hypothermia or after weather-related collapses of war-damaged homes.