Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Natalie G Osorio, MD
Internal Medicine Physician in Auburn, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1215902846
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 86469 | Other | - | CHILDRENS MEDICAL SECURIT |
| A38477 | Other | - | MEDICARE B |
| J28868 | Other | - | BLUE CARE ELECT |
| 042472266 | Other | - | ONE HEALTH PLAN |
| 042472266 | Other | - | TRICARE CHAMPUS |
| 2101777 | Other | - | MEDICAID WELFARE |
| 788831 | Other | - | MVP HEALTH CARE |
| 92433 | Other | - | FALLON COMMUNITY HEALTH P |
| 042472266 | Other | - | PRIVATE HEALTHCARE SYSTEM |
| 5628673 | Other | - | FIRST HEALTH |
| 6668714 | Other | - | CIGNA HEALTH PLAN |
| AA33666 | Other | - | HARVARD PILGRIM HEALTHCAR |
| 2101777 | Medicaid | MA | - |
| 042472266 | Other | - | UNITED HEALTHCARE |
| 1089139 | Other | - | AETNA US HEALTHCARE |
| 468321 | Other | - | TUFTS HEALTH PLAN |
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 2019-03-13.