Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ashley S Chan, DDS
Dentist in San Mateo, CA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1740852292
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Registry record
Entity type Individual (Type 1)
Name Ashley S Chan
Credential DDS
Sex Female
Practice address 181 2nd Ave Ste 575, San Mateo, CA, 94401
Phone (650) 532-3092
Enumeration date Jul 14, 2021
Last updated in NPPES Jul 14, 2021
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
How do I verify Ashley Chan's NPI record?
Cross-check NPI 1740852292 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1740852292 active?
Yes — as of the latest NPPES snapshot, NPI 1740852292 is active (record last updated 2021-07-14).
Other providers at this practice address
Browse all → Genevieve Dee General Practice Dentistry · San Mateo, CA NPI 1013035930 Genevieve Dee DDS General Practice Dentistry · San Mateo, CA NPI 1356529671 Young Dental Group, A Professional Corporation General Practice Dentistry · San Mateo, CA NPI 1881184547 Ashley Chan DDS, Inc. Dental Clinic/Center · San Mateo, CA NPI 1538890272
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-14.