Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Barry Kran, OD
Optometrist in Watertown, MA · enumerated 2005 · practices at Perkins School for the Blind.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124028592
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 153196 | Other | - | HARVARD PILGRIM |
| MA3279 | Other | - | EYEMED |
| 980298 | Other | - | NETWORK HEALTH |
| 0353906 | Other | - | MASS HEALTH |
| 22362 | Other | - | NHP |
| 5004482 | Other | - | AETNA |
| 353906 | Medicaid | MA | - |
| 37722 | Other | - | CMSP |
| 407524 | Other | - | TUFTS |
| 417658 | Other | - | MEDICARE |
| W15221 | Other | - | BCBS |
| 0344494 | Other | - | CIGNA |
| 30546 | Other | - | BMC HEALTHNET |
| W15721 | Other | - | BCBS |
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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Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-18.