Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Nadia A Kassissieh, M.D.
Physical Medicine & Rehabilitation Physician in Woburn, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1306894688
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 134330 | Other | MA | CIGNA |
| 3010902 | Medicaid | MA | - |
| 80144 | Other | MA | HARVARD PILGRIM |
| 709611 | Other | - | TUFTS HEALTH PLAN |
| 96983001 | Other | MA | NETWORK HEALTH |
| M08621 | Other | MA | BLUE CROSS BLUE SHIELD |
| 012039 | 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 2007-11-29.