Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Samuel Madeira, MD
Cardiovascular Disease Physician in Mercerville, NJ · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1982609772
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1135374 | Other | NJ | HORIZON NJ HEALTH # |
| 4096750 | Other | NJ | AETNA PPO # |
| 0075258000 | Other | NJ | AMERIHEALTH # |
| 82996 | Other | NJ | AMERIGROUP # |
| 4973101 | Medicaid | NJ | - |
| MES266 | Other | NJ | OXFORD ID # |
| 1K0311 | Other | NJ | HEALTHNET # |
| 35109 | Other | NJ | AETNA HMO # |
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 2007-12-14.