Every spring, departments and agencies like FDA and CMS submit annual budget reports to Congress. For FY2022, the FDA budget report comes at 421 pages. For CMS, it's 327 pages.
Find FDA here.
Find CMS here.
Find the overall HHS "Budget in Brief" at a concise 153 pages, here. The HHS budget and report home page is here. There's also a 70-page OIG plan here.