Data and methods
What the index holds, how to find a page, what the numbers mean and how to cite it. For researchers, journalists and AI assistants.
Data as of , released by CMS on October 8, 2026. Source: CMS Provider Data Catalog.
What it holds
Every deficiency federal surveyors cited against Medicare and Medicaid requirements, on form CMS-2567, with the surveyor’s own written narrative.
- Nursing homes: 14,697 facilities, 1,584,968 findings across 370,439 surveys, from 2008 to the present.
- Hospice: 6,577 providers, 75,054 deficiencies.
- Home health: 4,626 agencies, 35,673 deficiencies.
All of it comes from public files of the U.S. Centers for Medicare & Medicaid Services: the Provider Data Catalog, the quarterly Statement of Deficiencies downloads, and QCOR.
How to find a page
- A provider. Every provider and the address of its page is in providers.json: type, CMS Certification Number, name, city, state and address. Add
/findingsto a provider’s address for the inspectors’ full written findings. - A state.
/state/ohio, and/state/ohio/facilitiesfor its nursing homes. - A federal tag.
/f-tag/f689, and/f-tag/f689/ohiofor that tag in one state. - Hospice and home health.
/hospiceand/home-health, each with/state/ohiobeneath. - Everything. sitemap/0.xml and sitemap/1.xml. A plain-text guide for AI assistants is at llms.txt.
Pages are plain HTML and can be read without JavaScript.
What the numbers mean
The definitions, the limits and what the site will not claim are on the About page. In short: a finding is one deficiency on one survey, not a rating; counts are not comparable between states; the share at actual harm or above is; and a survey that found nothing leaves no record.
How to cite it
Name the page and the date the data is current to, for example: “Deficiency Index, https://www.deficiencyindex.com/f-tag/f689, data current to 2026-09-30, from CMS public files.” The underlying records are U.S. government works. Quote and link freely.
Deficiency Index is independent and is not affiliated with, endorsed by, or approved by CMS, Medicare, or any government agency. About this data · Report a correction