| Data Element | Service Provider EIN/Federal Tax ID Number |
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| Description | Federal taxpayer's identification number for rendering/attending provider. An Employer Identification Number (EIN) is also known as a Federal Tax Identification Number, and is used to identify a business entity. Alpha numeric characters only—omit Alphanumeric characters only — omit spaces and hyphens. Value will be masked. |
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| Type | Text |
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| Format | varchar |
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| Length | 15 |
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| Threshold | 50% |
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| Required | Required |
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| Tip / Notes |
|
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| Rank | 021 |
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