Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Suzanne M Mackay, M.D.
Family Medicine Physician in Norwell, MA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1407019854
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1407019854 | Other | - | FALLON |
| 278984 | Other | - | TUFTS AND TMP |
| 4801073 | Other | - | CIGNA |
| 110094237A | Medicaid | MA | - |
| 042297845 | Other | - | UNITED HEALTH CARE |
| 1407019854 | Other | - | NHP |
| 921778 | Other | - | AETNA |
| AA290613 | Other | - | HARVARD PILGRIM |
| 042297845 | Other | - | PHCS |
| J50272 | Other | MA | BCBSMA |
| 042297845 | Other | - | HCVM |
| 1407019854 | Other | - | NEIGHBORHOOD HEALTH PLAN |
| 042297845 | Other | - | TRICARE |
| 042297845 | Other | - | GIC/UNICARE |
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 2015-12-21.