Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Joseph B. Singer, MD
Pediatrics Physician in Riverside, RI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1346293016
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1200491 | Other | - | UNITED HEALTHCARE |
| 20318 | Other | - | BLUE CROSS BLUE SHIELD RI |
| P12037457 | Other | - | MULTIPLAN |
| 205210 | Other | - | BLUECHIP |
| 2753 | Other | - | NEIGHBORHOOD HEALTH PLAN |
| 404237 | Other | - | TUFTS |
| JS65463 | Other | RI | EDS |
| 710061801 | Other | - | CIGNA |
| 404237 | Other | - | TUFTS HEALTH PLAN |
| AA31896 | Other | RI | HARVARD PILGRIM |
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.
Frequently asked questions
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-03.