There's absolutely no way that's accurate or 100% attributable to policy changes.
There isn't a portal directly tracking impact of funding cuts by individual cases. It's just not possible across the vastness of U.S., including numerous health networks and other sources for reporting.
The only, more reliable, not up-to-date source:
https://www.cdc.gov/nchs/fastats/deaths.htm
This would be a good discussion for politics forum:
https://www.freechatnow.com/forum/#discussion.8
It seems like reporting is relied on from publications using projected figures, not real data:
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