Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Chia-Tsen Chen, AU.D.
Audiologist in Los Gatos, CA · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619308186
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Registry record
Entity type Individual (Type 1)
Name Dr. Chia-Tsen Chen
Credential AU.D.
Sex Female
Practice address 15861 Winchester Blvd., Los Gatos, CA, 95030
Phone (408) 395-6121
Enumeration date Dec 9, 2013
Last updated in NPPES Dec 9, 2013
Taxonomy & licenses
AUD · Doctor of Audiology: A licensed audiologist diagnosing and treating hearing and balance disorders.
About the AUD 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 Chia-Tsen Chen?
The National Provider Identifier (NPI) for Chia-Tsen Chen is 1619308186, a Type 1 (individual) record in the CMS NPPES registry.
Where does Chia-Tsen Chen practice?
The practice location on file with NPPES is in Los Gatos, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → David Arnstein Otolaryngology Physician · Los Gatos, CA NPI 1801898796 Rom Karin Otolaryngology Physician · Los Gatos, CA NPI 1871595223 William Lewis Otolaryngology Physician · Los Gatos, CA NPI 1871585059 Ear Nose & Throat Clinic of Los Gatos Specialist · Los Gatos, CA NPI 1750427431 Harsha John Audiologist · Los Gatos, CA NPI 1285033936 University Healthcare Alliance Otolaryngology Physician · Los Gatos, CA NPI 1447759931
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-09.