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license: other
license_name: tensorust-sample-license
license_link: https://tensorust.com/datasets/cms-revalidation-due/
pretty_name: "Medicare Revalidation Due List (free sample)"
language:
- en
tags:
- tensorust
- sample
- healthcare
- government-data
- finance
size_categories:
- n<1K
configs:
- config_name: sample
data_files:
- split: train
path: sample.csv
- config_name: summary
data_files:
- split: train
path: summary_by_enrollment_state.csv
---
# Medicare Revalidation Due List: free sample (Tensorust LLC)
45,356 Medicare provider organizations whose enrollment revalidation is due by May 2027. Miss it and Medicare billing stops.
**Headline:** CMS publishes when every Medicare-enrolled provider must revalidate its enrollment; a provider that misses the date can have billing privileges deactivated.
This repository is a **free teaser**, not the dataset. It holds 25 example rows and a summary table with no names in it. The full file has **45,356 rows** and is sold by Tensorust LLC: **[https://tensorust.com/datasets/cms-revalidation-due/](https://tensorust.com/datasets/cms-revalidation-due/)**.
## Files here
| file | what it is |
|---|---|
| `sample.csv` | 25 rows of the full file (the same sample shown on tensorust.com) |
| `summary_by_enrollment_state.csv` | row counts by enrollment state across the full file, no entity names (groups with fewer than 3 rows are folded into "Other") |
## Summary by enrollment state (largest groups)
| Enrollment state | rows |
|---|---|
| CA | 5,021 |
| TX | 3,726 |
| NY | 2,955 |
| FL | 2,628 |
| PA | 2,419 |
| MI | 2,225 |
| NJ | 1,606 |
| CO | 1,474 |
| NC | 1,350 |
| MA | 1,176 |
| IN | 1,161 |
| OH | 1,124 |
| TOTAL | 45,356 |
Full table: `summary_by_enrollment_state.csv`.
## What the full file has
- 45,356 rows
- Key fields: enrollment_id, npi, organization_name, enrollment_state, provider_type, specialty, revalidation_due_date, adjusted_due_date, effective_due_date, days_until_due
- Parquet and CSV, a README with sources, method and limits, and the build script
- Free 25-row sample (no personal contact data)
Coverage: Organizations in the CMS list with a due date on or after Nov 6, 2026 (CMS shows TBD for the rest; 230,659 rows with a passed date are left out). Individual clinicians are excluded. CMS release of Nov 1, 2026 (posted Nov 4, 2026); built Nov 6, 2026. CMS refreshes the list monthly.
### Columns in the full file
| column | meaning |
|---|---|
| `enrollment_id` | PECOS enrollment ID (organizations start with O) |
| `npi` | Organization NPI |
| `organization_name` | Legal business name |
| `enrollment_state` | Enrollment state |
| `provider_type` | Part A / Non-DME Part B / DME |
| `specialty` | Enrollment specialty or supplier type |
| `revalidation_due_date` | CMS revalidation due date |
| `adjusted_due_date` | Adjusted due date where CMS set one |
| `effective_due_date` | Adjusted date if present, else due date |
| `days_until_due` | Days from Nov 6, 2026 (negative = passed) |
| `due_bucket` | Past due date / within 90 days / 3-6 / 6-12 / after 12 months |
| `individuals_reassigning_to_org` | Number of individual clinicians reassigning benefits to this organization |
| `org_enrollments_same_name` | Enrollments in this file under the same legal name |
## Get the full file
| tier | price | includes |
|---|---|---|
| State or specialty list | $400 | Organizations due in the next six months for one state or one provider type, CSV and Excel. |
| National list | $2,400 | All 45,356 organizations with due dates, buckets and size signal. |
| Monthly feed | $7,200 a year | The national list re-run on each monthly CMS release, so you see each new month of due dates as soon as CMS posts it. |
Email **mattbusel@tensorust.com** with the tier and a billing contact, and we will send a proper invoice (ACH or card). The file is delivered once the invoice is paid. Details and the live sample: [https://tensorust.com/datasets/cms-revalidation-due/](https://tensorust.com/datasets/cms-revalidation-due/). All datasets: https://tensorust.com/datasets/
## Method and limits
Load the CMS revalidation base file, keep enrollment IDs starting with O (organizations), use the adjusted due date when present, compute days until due from Nov 6, 2026, and bucket.
Not a list of deactivated providers. A passed date in the list can mean CMS has not yet posted a completed revalidation. Contains no contact details and no individual clinicians.
## Sources
- CMS Revalidation Due Date List, Nov 1, 2026 release (data.cms.gov, revalidation_base.csv)
## License
The sample and summary here are free to view, analyze and cite with attribution to "Tensorust LLC, https://tensorust.com/datasets/cms-revalidation-due/". The full dataset is licensed separately per tier. No resale or redistribution of Tensorust data without a written license.
Tensorust LLC, Tuckahoe NY. mattbusel@tensorust.com | https://tensorust.com
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