Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Beverly A. Brennan, M.D.
Internal Medicine Physician in Haverhill, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1174519730
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1174519730 | Other | MA | AETNA HMO |
| 0029557 | Other | - | NEIGHBORHOOD HEALTH PLAN |
| 1174519730 | Other | MA | FALLON COMMUNITY HEALTH PLAN |
| P00258103 | Other | - | RAILROAD MEDICARE |
| 04-09138 | Other | - | EVERCARE |
| G43721 | Other | NH | ANTHEM BLUE CROSS |
| 690835 | Other | MA | HARVARD PILGRIM HEALTH PL |
| 5731408 | Other | MA | AETNA NON HMO |
| 683113 | Other | - | HEALTHSOURCE |
| J29478 | Other | MA | BLUE CROSS BLUE SHIELD |
| 206547 | Other | - | TUFTS HEALTH PLAN |
| 30205508 | Other | NV | NEW HAMPSHIRE MEDICAID |
| 967080 | Other | - | NETWORK HEALTH |
| 110041739A | Medicaid | MA | - |
| 7241783 | Other | - | CIGNA |
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 2019-06-01.