ProviderTrust vs Harper
Checked against their own pages, October 2026
Exclusion monitoring for healthcare organizations, sold on quoted contracts, with a published map of the state sources it uses. Harper is a free search across the HHS OIG LEIE, SAM.gov and every state Medicaid exclusion list it can read, with the source and freshness of each list published. Below is what each says about its own coverage, with links to where they say it.
Side by side
| ProviderTrust | Harper | |
|---|---|---|
| State Medicaid lists | Its sources map lists 42 jurisdictions including DC, names seven states that publish no list, and marks Delaware and Vermont as available by email request.Source: Exclusion sources | Every state that publishes a list: 43 of the 50 states and DC, each named with its record count and last read date. 40 read successfully on our latest run, as of October 14, 2026. |
| Federal and other lists | HHS OIG LEIE and SAM.gov, plus additional lists including OFAC SDN, the CMS Preclusion List, Medicare Opt-Out, NPPES and the SSA Death Master File. The map states 286,417 total exclusions as of September 24, 2026.Source: Exclusion sources | HHS OIG LEIE (84,030 records) and SAM.gov exclusions (169,028), as of October 14, 2026. No CMS Preclusion List, Medicare Opt-Out or Death Master File. |
| Refresh | The sources map says it is updated at the beginning of each month.Source: Exclusion sources | Every source is read weekly, and the date of the last successful read is published per source. |
| Price | Not published; sold by quote. | Free. |
| Free name search | No free public name search found on its site. | Yes. Any name, no account, plus an API and an MCP server for AI assistants. |
Where ProviderTrust offers more
- More lists beyond exclusions: the CMS Preclusion List, Medicare Opt-Out, NPPES and the Death Master File.
- An automated exclusion monitoring product, sold under contract.
- It counts more state jurisdictions than Harper currently reads successfully.
- It publishes its state source map, which most vendors do not.
Where Harper is different
- Harper search is free and needs no contract or account.
- Harper shows the record count and last read date for each state list individually, and which sources failed on the latest read.
Which to use
ProviderTrust is a good fit for an organization that needs preclusion and opt-out checks alongside exclusions, run as a monitoring service under contract. Harper fits a quick check of a name, a roster or a vendor against every list without signing up, or a team that wants to see exactly which lists were checked and how current each was.
Other comparisons
Vendor facts were read from the linked pages in October 2026 and may have changed since. If something here is wrong, the corrections page says how to tell us.