Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Sonia Chih-Hsin Yau, DDS
Dentist in Rutland, VT · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821309543
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Registry record
Entity type Individual (Type 1)
Name Dr. Sonia Chih-Hsin Yau
Credential DDS
Sex Female
Practice address 240 Stratton Rd, Rutland, VT, 05701
Phone (802) 775-6981
Enumeration date Jun 28, 2010
Last updated in NPPES Sep 9, 2014
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
Where does Sonia Yau practice?
The practice location on file with NPPES is in Rutland, VT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Sonia Yau?
The National Provider Identifier (NPI) for Sonia Yau is 1821309543, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Francis D'Auria General Practice Dentistry · Rutland, VT NPI 1184663361 Francis J. D'Auria, D.M.D., P.C. Dentist · Rutland, VT NPI 1104866243 Dick & Duboff Dentistry General Practice Dentistry · Rutland, VT NPI 1225225824 Lynn Duboff Dentist · Rutland, VT NPI 1790969582 Sonia Ch Yau, Plc Dentist · Rutland, VT NPI 1336549625
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-09-09.