Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jeffrey M Factor, MD
Pediatric Allergy/Immunology Physician in West Hartford, CT · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1457332298
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 010031434CT01 | Other | - | BLUE CROSS |
| 131576 | Other | - | PREFERRED ONE |
| 00131434300 | Other | - | BLUE CROSS MEDICAID |
| 001314343 | Medicaid | CT | - |
| 004394508 | Other | - | MEDICAID GROUP CAAC |
| 0139300005 | Other | - | CIGNA |
| OS2162 | Other | - | HEALTHNET MEDICAID |
| P2666155 | Other | - | OXFORD |
| 023998 | Other | - | CONNECTICARE |
| 043518 | 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.
Frequently asked questions
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-14.