Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Daniel C-S Lee, MD
Internal Medicine Physician in Dedham, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023015609
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| B99081 | Other | — | FIRST SENIORITY |
| 0016048 | Other | — | NEIGHBORHOOD HEALTH PLAN |
| 6176569 | Other | — | MASS HEALTH |
| 2150387 | Other | — | HEALTHSOURCE MASSACHUSETT |
| 2150387 | Other | — | CIGNA HEALTH CARE |
| 27588 | Other | — | CHILDRENS MEDICAL SECURIT |
| 3677 | Other | — | HARVARD PILGRIM PPO |
| E05641 | Other | — | BLUE SHIELD INDEMNITY |
| E05641 | Other | — | BS BLUE CARE ELECT |
| 043433 | Other | — | TUFTS |
| 043433 | Other | — | TUFTS BENEFIT ADMINISTRAT |
| E05641 | Other | MA | BCBSMA |
| E05641 | Other | — | HMO BLUE/BLUE CHOICE |
| 110116188 | Other | — | RAILROAD MEDICARE |
| 3677 | Other | — | HARVARD PILGRIM POS |
| 3677 | Other | — | HARVARD PILGRIM |
| 6176569 | Medicaid | MA | — |
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 2010-08-05.