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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Richard Lee Daffurn, D.D.S.

Dentist in Sonoma, CA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1407956345

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Registry record

Entity type Individual (Type 1)
Name Dr. Richard Lee Daffurn
Credential D.D.S.
Sex Male
Practice address Sonoma, CA, 95476
Phone (707) 996-4585
Fax (707) 996-4059
Enumeration date Sep 22, 2006
Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

122300000X Dentist Dental Providers · License 22059 (CA) Primary
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.

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Frequently asked questions

Where does Richard Daffurn practice?
The practice location on file with NPPES is in Sonoma, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Richard Daffurn?
The National Provider Identifier (NPI) for Richard Daffurn is 1407956345, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.