providersignal

**Agent-callable US dental provider intelligence.** Cross-references NPPES, 41 state dental boards (plus DC), CMS Medicare Part B, NPDB, and OIG LEIE. 273,000+ providers, refreshed weekly. ## Tools - **`lookup_provider_by_npi`**: Free tier, 100/day per IP. Returns name, practice address, taxonomy, and enumeration date by NPI. With a Bearer token, returns the full record: license status, DSO (Dental Service Organization) affiliation, OIG-exclusion flag, and a 0-100 confidence score. - **`search