Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum
Concord and Lexington Oral Surgery Associates, LLC
Specialist in Concord, MA · enumerated 2006 · authorized official Gregory Caldwell, Partner.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1801820824
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Registry record
Taxonomy & classification
Authorized official
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 19992 | Other | MA | STATE LICENSE |
| X08668 | Other | MA | BLUE CROSS BLUE SHIELD |
| 019992 | Other | MA | TUFTS HEALTH PLAN |
| 16643 | Other | MA | 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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Providers at this address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-28.