---
language:
- en
pretty_name: NADAC Comparison
tags:
- hhs
- cms
- nadac
---

# NADAC Comparison

## Description

The NADAC Weekly Comparison identifies the drug products with current NADAC rates that are replaced with new NADAC rates.  Other changes (e.g. NDC additions and terminations) to the NADAC file are not reflected in this comparison.

Note: Effective Date was not recorded in the dataset until 6/7/2017

## Dataset Details

- **Publisher**: Centers for Medicare & Medicaid Services
- **Last Modified**: 2025-04-22
- **Contact**: Medicaid.gov (Medicaid.gov@cms.hhs.gov)

## Source

Original data can be found at: https://healthdata.gov/d/47ta-vew3

## Usage

You can load this dataset using:

```python
from datasets import load_dataset
 dataset = load_dataset('HHS-Official/nadac-comparison')
```
## License

This dataset is licensed under https://www.usa.gov/government-works