Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Joseph R. Hartigan, M. D.
Surgery Physician in Jacksonville, FL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1568420784
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| O20031821 | Other | FL | RAILROAD MEDICARE |
| 1498799 | Other | - | CIGNA |
| 208157 | Other | - | AVMED |
| 25316 | Other | - | BCBS FL |
| 4479855 | Other | - | AETNA |
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.
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-07-22.