Harrison Nguyen DDS Msd Inc
Harrison Nguyen DDS Msd Inc is a healthcare organization registered as Endodontics in Livermore, CA, holding Type 2 (organization) NPI 1225796402 since 2021. The authorized official on file is Harrison Nguyen, President.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1225796402 |
|---|---|
| Entity type | Organization (Type 2) |
| Legal business name | Harrison Nguyen DDS Msd Inc |
| Practice address | 1034 MURRIETA BLVD, Livermore, CA, 94550 |
| Phone | 9254433636 |
| Fax | 9254433655 |
| Enumeration date | 2021-12-04 |
| Last updated in NPPES | 2021-12-04 |
Authorized official
| Name | Harrison Nguyen |
|---|---|
| Title | President |
| Phone | 9254433636 |
Taxonomy & classification
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 1223E0200X | Endodontics | Primary | — | — |
Copy-ready billing details
Provider: Harrison Nguyen DDS Msd Inc NPI: 1225796402 Taxonomy: 1223E0200X (Endodontics) Address: 1034 MURRIETA BLVD, Livermore, CA, 94550
Providers at this address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1679799233 | Paul Vignaroli | Individual | Endodontics | Livermore, CA |
Verify this record
Cross-check NPI 1225796402 against the authoritative CMS record: view Harrison Nguyen DDS Msd Inc on the official NPPES registry .
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. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2021-12-04.