Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ira Keith Ellis, MD
Addiction Medicine (Family Medicine) Physician in Milan, TN · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1922005388
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 34018 | Other | TN | TLC |
| 626001636 | Other | TN | UNITED HEALTHCARE |
| 4101718 | Other | TN | BLUE CROSS BLUE SHIELD |
| 5657408 | Other | TN | CIGNA |
| 3823013 | Medicaid | TN | - |
| 626001636 | Other | TN | USA MANAGED CARE |
| P00277818 | Other | TN | RAILROAD MEDICARE |
| 4124210 | Other | - | BCBS |
| 626001636 | Other | TN | HEALTH PARTNERS |
| 166981 | Other | TN | UNISON |
| 3895527 | Medicaid | TN | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-01-10.