Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jeffrey George Kohlhardt, DDS
Dentist in Woodland, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639241516
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Registry record
Entity type Individual (Type 1)
Name Jeffrey George Kohlhardt
Credential DDS
Sex Male
Practice address 1204 Cottonwood St, Woodland, CA, 95695
Phone (530) 662-7128
Fax (530) 662-8819
Enumeration date Nov 15, 2006
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 Jeffrey Kohlhardt?
The National Provider Identifier (NPI) for Jeffrey Kohlhardt is 1639241516, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jeffrey Kohlhardt practice?
The practice location on file with NPPES is in Woodland, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Carmen Guillermo Audiologist-Hearing Aid Fitter · Woodland, CA NPI 1679615439 Dayle Murray General Practice Dentistry · Woodland, CA NPI 1114046190 A Professional Dental Corporation Orthodontics and Dentofacial Orthopedics Dentistry · Woodland, CA NPI 1003020280 Dr Scott R Vinson Dmd A Professional Dental Corporation Dentist · Woodland, CA NPI 1245439694 James Z. Yang, DDS, PC Dental Clinic/Center · Woodland, CA NPI 1912232729 Mark Choi Dental Corporation Pediatric Dentistry · Woodland, CA NPI 1639462054 Scott Vinson Dentist · Woodland, CA NPI 1114265410
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.