Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. David Chang Han, DDS
Endodontics in Valencia, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1871638510
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Registry record
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 (661) 254-1924
Fax (661) 254-1420
Enumeration date Feb 20, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
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
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 2026-07-13. Provider record last updated 2007-07-08.