---
title: "What is PTAN and where can I find it?"
slug: "what-is-ptan-and-where-can-i-find-it"
updated: 2024-11-22T21:42:22Z
published: 2024-11-22T21:42:22Z
canonical: "docs.claim.md/what-is-ptan-and-where-can-i-find-it"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.claim.md/llms.txt
> Use this file to discover all available pages before exploring further.

# What is PTAN and where can I find it?

**Definition**: PTAN (Provider Transaction Access Number) is a unique Medicare identifier required for provider enrollments and interactions with Medicare.

**Key Points**:

- **Usage**: Cannot be included on claims but is essential for enrollments.
- **Importance**: Required when contacting Medicare for provider-related inquiries.

**How to Update or Lookup Medicare Records**: Visit the [PECOS Website](https://pecos.cms.hhs.gov/pecos/login.do#headingLv1) to update or access Medicare records.