Pa Medical Exclusions MCP server

@pipeworx/pa-medical-exclusions

Pennsylvania Department of Human Services (DHS) Medicheck Precluded Providers List screening — check a provider by name, NPI, license number, or FEIN against the ~6,750-row list of providers and businesses ever precluded from Pennsylvania's Medical Assistance (Medicaid) program, the state-level counterpart to the federal HHS OIG LEIE (leie pack) and the sibling of ny-omig-exclusions (New York), ca-medical-exclusions (California), tx-medical-exclusions (Texas) and fl-medical-exclusions (Florida).

Part of Pipeworx — an MCP gateway connecting AI agents to 1831+ live data sources. This is an independent, unofficial integration — not affiliated with, endorsed by, or published by the upstream provider.

Tools

screens a provider against the DHS Medicheck list. An NPI, license, or FEIN match is an identification (all three are exact identifiers); a name match — even an exact one — is a candidate lead only, since the list carries no date of birth to disambiguate same-named providers. Every match carries DHS's own status field and a currentlyprecluded flag derived from it — null with statusunknown: true on the minority of rows where DHS's own status is blank, rather than a guess.

• pamedicalcheck_exclusion(name?, npi?, license?, fein?, limit?) —

currently precluded vs. ended vs. status-unknown, how many carry an NPI, license number, or FEIN, the distinct status values DHS uses, and the oldest/newest preclusion effective date. Pass year or startdate/enddate to instead count preclusions whose effective date falls in that range, over the whole list.

• pamedicalexclusion_coverage() — total rows ever recorded, how many are

Auth

Keyless.

Data sources

Providers List — the state's published roster of individuals, businesses and other entities precluded from participating in Pennsylvania's Medical Assistance program, searchable at and downloadable as a full text file directly from that same application.

• Pennsylvania Department of Human Services (DHS), Medicheck Precluded

Why no open-data-portal mirror — checked, not assumed

A Socrata catalog search of data.pa.gov (api.us.socrata.com/api/catalog/v1?domains=data.pa.gov) for "medicheck", "precluded", "excluded provider" and "medicaid sanction" (2026-10-17) returned zero matching datasets. DHS's own Medicheck search application is the only source.

Why this is baked, not a live proxy

Per root CLAUDE.md's standing rule for a table this size, the full list (6,751 rows at capture time, ~2.7MB as generated TypeScript) is baked by scripts/bake-index.mjs into src/pa-medchk-index-data.ts, registered in workers/gateway/src/pack-baked-indexes.json, uploaded to KV at deploy, and injected into every call as args._bakedIndex — never a static module-scope import (fleet #2754: six packs doing that put ~48MB of retained heap into every gateway isolate and cost about one call in four as a Cloudflare 1102). A missing or malformed injection throws loudly rather than answering "not found" — see src/index.test.ts.

Unlike tx-medical-exclusions, no ASP.NET VIEWSTATE postback is needed: the Medicheck application's "Download Text File" button is a plain, unauthenticated GET, verified live 2026-10-17.

Re-run node mcps/pa-medical-exclusions/scripts/bake-index.mjs periodically and recommit; dataasof on every response says how stale the baked copy is.

Status is messy — currently_precluded is derived and labelled

Shortened. The full README is on GitHub.