Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Robert Byron Johnson, D.M.D.
Dentist in Fairfax, VA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023233657
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Registry record
Entity type Individual (Type 1)
Name Robert Byron Johnson
Credential D.M.D.
Sex Male
Practice address 10640 Main St, #300, Fairfax, VA, 22030
Phone (703) 246-9355
Enumeration date Apr 17, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees.
About the DMD 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 Robert Johnson practice?
The practice location on file with NPPES is in Fairfax, VA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Robert Johnson?
The National Provider Identifier (NPI) for Robert Johnson is 1023233657, 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.