NPI Portal NPI Lookup & Verification

Dr. David Chang Han, DDS

Dr. David Chang Han is a Endodontics provider (Dentist) practicing in Valencia, CA, registered in the NPPES registry with NPI 1871638510 since 2007. The credential DDS stands for Doctor of Dental Surgery.

✓ Active NPI ✓ Valid NPI checksum

NPI 1871638510
Entity type Individual (Type 1)
Name Dr. David Chang Han
Credential DDS
Sex Male
Practice address 23838 W. VALENCIA BLVD #150, Valencia, CA, 91355
Phone 6612541924
Fax 6612541420
Enumeration date 2007-02-20
Last updated in NPPES 2007-07-08

Taxonomy & licenses

Taxonomy code Specialty Primary License State
1223E0200X Endodontics Primary 47902 CA

DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Copy-ready billing details
Provider: David Han, DDS
NPI: 1871638510
Taxonomy: 1223E0200X (Endodontics)
Address: 23838 W. VALENCIA BLVD #150, Valencia, CA, 91355

Verify this record

Cross-check NPI 1871638510 against the authoritative CMS record: view Dr. David Chang Han 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

What is the NPI number for David Han?
The National Provider Identifier (NPI) for David Han is 1871638510, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Han practice?
The practice location on file with NPPES is in Valencia, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.