**[ This description is mirrored from README.md at [github.com/biztek/hipaa-npi-number-input](https://github.com//biztek/hipaa-npi-number-input/blob/v1.0.6/README.md) on 2019-05-22 ]** [](https://travis-ci.org/biztek/hipaa-npi-number-input) [](https://saucelabs.com/u/biztek) [](https://saucelabs.com/u/biztek) [](https://www.webcomponents.org/element/biztek/hipaa-npi-number-input) _[Demo and API docs](https://biztek.github.io/hipaa-npi-number-input/components/hipaa-npi-number-input)_ # \ `` is a single-line text field to hold valid HIPAA compliant NPI number. ```html ``` It includes an optional label,error message,invalid,autovalidate and required attributes. ```html ``` ### NPI Numbers Validation A NPI number (NPI Registration Number) is a number assigned to a health care provider. A valid NPI number consists of: 9 numbers, & last 1 check digit. The last Number : NPI numbers can be verified by using the last number, which is known as the Check Digit. Right Format NPI Number example: 1245319599 . Wrong Format NPI Number : 1231231231. ### Listening for input changes By default, it listens for changes on the `bind-value` attribute on its children nodes and perform tasks such as auto-validating and label styling when the `bind-value` changes. ### Validation If the `auto-validate` attribute is set, element validates the input whether it is HIPAA compliant NPI number and update the label styling when the input value changes. ### License Licensed under [Apache 2.0](LICENSE).