Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Hong Huu Bui, M.D.
Internal Medicine Physician in San Jose, CA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1417944471
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 001263372 | Other | CA | UNITED HEALTH CARE |
| 62356982929R MDI | Other | CA | PRINCIPAL |
| 210987 | Other | CA | CCN |
| 00051168 | Other | CA | BLUECROSS |
| 067056 | Other | CA | ONE HEALTH PLAN |
| 0UK039 | Other | CA | CALIFORNIA CARE PMGSJ |
| 116 | Other | CA | SCFHP |
| 058700 | Other | CA | AETNA |
| 004197 | Other | CA | PACIFICARE |
| 81917 | Other | CA | HEALTHY FAMILY |
| A511680 | Other | CA | BLUE SHIELD |
| R06050 | Other | CA | BLUECROSS MEDICAL |
| 0MM350 | Other | CA | CALIFORNIA CARE SCCIPA |
| 13440202 | Other | CA | CIGNA HMO |
| ME3HBEBE5150 | Other | CA | LIFEGUARD |
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 2007-12-06.