Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
James B Knox, MD
Vascular Surgery Physician in Falmouth, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386691178
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2275979 | Other | - | AETNA |
| 770002390 | Other | - | TRICARE |
| 000000029986 | Other | MA | BOSTON MEDICAL CENTER |
| 1386691178 | Other | MA | UNICARE |
| 11084407 | Other | - | CAQH # |
| 1386691178 | Other | MA | GREAT WEST HEALTHCARE |
| 3700007 | Other | - | UNITED HEALTH |
| 770002390 | Other | MA | MEDICARE ID |
| B20948501 | Other | - | CIGNA |
| KNA29564 | Other | - | MEDICARE |
| 70748 | Other | MA | MA LICENSE |
| 1386691178 | Other | MA | NETWORK HEALTH |
| MK0379796A | Other | - | MA CDS |
| 0000262 | Other | - | NEIGHBORHOOD HEALTH PLAN |
| 3055841 | Medicaid | MA | - |
| 730507 | Other | - | TUFTS |
| E42314 | Other | - | HPH |
| J09055 | 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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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-07.