Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Karen Taniguchi Ching, DDS
Pediatric Dentistry in Oakland, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891830378
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Registry record
Entity type Individual (Type 1)
Name Karen Taniguchi Ching
Credential DDS
Sex Female
Practice address 345 9th St, Suite 302, Oakland, CA, 94607
Phone (510) 986-6888
Enumeration date Feb 21, 2007
Last updated in NPPES Aug 3, 2016
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 Karen Ching?
The National Provider Identifier (NPI) for Karen Ching is 1891830378, a Type 1 (individual) record in the CMS NPPES registry.
Where does Karen Ching practice?
The practice location on file with NPPES is in Oakland, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Kevin Chen Acupuncturist · Oakland, CA NPI 1912903675 Sophia Chen Ophthalmology Physician · Oakland, CA NPI 1033183934 Xiaoguang Huang Internal Medicine Physician · Oakland, CA NPI 1235179870 Joyce Chen General Practice Dentistry · Oakland, CA NPI 1750496832 Xinyi Lin Acupuncturist · Oakland, CA NPI 1407947906 Harold Fung Dentist · Oakland, CA NPI 1780765198 Wei Wei Acupuncturist · Oakland, CA NPI 1912067562 Stephen Lee General Practice Dentistry · Oakland, CA NPI 1689799736
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-08-03.