Use this when you need to know when a US healthcare provider must revalidate its...

{ "method": "GET", "queryParams": { "npi": "1306897277" }, "type": "http" }

{ "example": { "data": { "api": "https://data.cms.gov/data-api/v1/dataset/3746498e-874d-45d8-9c69-68603cafea60/data", "fields_used": [ "Enrollment ID", "National Provider Identifier", "Enrollment State Code", "Enrollment Type", "Provider Type Text", "Enrollment Specialty", "Revalidation Due Date", "Adjusted Due Date" ], "license": "U.S. Government work, public domain", "license_url": "https://www.usa.gov/government-works", "source": "CMS Revalidation Due Date List, data.cms.gov (monthly)", "url": "https://data.cms.gov/provider-characteristics/medicare-provider-supplier-enrollment/revalidation-due-date-list" }, "disclaimer": "Information only, not legal advice; it does not replace a qualified attorney. Not affiliated with or endorsed by the Centers for Medicare & Medicaid Services (CMS), the U.S. Department of Health and Human Services or any U.S. government agency. Not a consumer report under the FCRA: do not use it to decide on employment, credit or insurance. The CMS Medicare Revalidation List tool is the authoritative record.", "licence": { "nom": "U.S. Government work, public domain", "source": "Centers for Medicare & Medicaid Services (CMS), Revalidation Due Date List, data.cms.gov", "url": "https://www.usa.gov/government-works" }, "list_version": "2026-11-01", "note": "CMS sets and publishes revalidation due dates (42 CFR 424.515); this service reads them and computes nothing, with no weekend or holiday shift. CMS does not grant extensions. due_date is the earlier date when two are published. status date_passed means the published date is in the past; the list does not show whether the provider has already revalidated (CMS defines this column as the previously assigned due date, and does not publish what becomes of it after a revalidation). status not_set means CMS has not published a due date yet (the list shows dates for about the next six months): it does not mean there is nothing to do, and CMS may request an off-cycle revalidation at any time. CMS asks providers not to submit before the due date appears and sends a notice about three to four months ahead. found=false means the NPI is not in this month's list. The CMS Medicare Revalidation List tool is the authoritative record.", "official_tool": "https://data.cms.gov/tools/medicare-revalidation-list", "results": [ { "enrollments": [ { "adjusted_due_date": null, "as_of": "2026-11-10", "days_left": -224, "due_date": "2026-03-31", "enrollment_id": "O20090115000070", "enrollment_type": { "code": "3", "label": "Non-DME Part B" }, "later_due_date": null, "provider_type": "Non-DME Part B", "revalidation_due_date": "2026-03-31", "specialty": "Clinic/Group Practice", "state": "TX", "status": "date_passed", "time_zone": "America/Chicago", "time_zone_known": true }, { "adjusted_due_date": null, "as_of": "2026-11-10", "days_left": 51, "due_date": "2026-12-31", "enrollment_id": "O20041209000885", "enrollment_type": { "code": "1", "label": "Part A" }, "later_due_date": null, "provider_type": "Part A", "revalidation_due_date": "2026-12-31", "specialty": "Hospital", "state": "TX", "status": "upcoming", "time_zone": "America/Chicago", "time_zone_known": true }, { "adjusted_due_date": null, "as_of": "2026-11-10", "days_left": null, "due_date": null, "enrollment_id": "O20220505000033", "enrollment_type": { "code": "3", "label": "Non-DME Part B" }, "later_due_date": null, "provider_type": "Non-DME Part B", "revalidation_due_date": null, "specialty": "Clinic/Group Practice", "state": "TX", "status": "not_set", "time_zone": "America/Chicago", "time_zone_known": true }, { "adjusted_due_date": null, "as_of": "2026-11-10", "days_left": null, "due_date": null, "enrollment_id": "O20250512000858", "enrollment_type": { "code": "1", "label": "Part A" }, "later_due_date": null, "provider_type": "Part A", "revalidation_due_date": null, "specialty": "Hospital", "state": "TX", "status": "not_set", "time_zone": "America/Chicago", "time_zone_known": true } ], "found": true, "npi": "1306897277" } ], "rules": [ { "id": "424.515", "status": "in force (eCFR up to date as of 2026-11-06; 71 FR 20776, as amended by 76 FR 5963 and 79 FR 69775)", "url": "https://www.ecfr.gov/current/title-42/chapter-IV/subchapter-B/part-424/subpart-P/section-424.515" }, { "id": "424.515(a)(1)-(2)", "status": "in force (eCFR up to date as of 2026-11-06; 71 FR 20776, as amended by 76 FR 5963 and 79 FR 69775)", "url": "https://www.ecfr.gov/current/title-42/chapter-IV/subchapter-B/part-424/subpart-P/section-424.515" }, { "id": "424.515(d)-(e)", "status": "in force (eCFR up to date as of 2026-11-06; 71 FR 20776, as amended by 76 FR 5963 and 79 FR 69775)", "url": "https://www.ecfr.gov/current/title-42/chapter-IV/subchapter-B/part-424/subpart-P/section-424.515" }, { "id": "424.540(a)(3)", "status": "in force (eCFR up to date as of 2026-11-06)", "url": "https://www.ecfr.gov/current/title-42/chapter-IV/subchapter-B/part-424/subpart-P/section-424.540" } ] }, "type": "json" }