Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William Russell Lamb, RD, LD
Registered Dietitian in Clinton, SC · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821408279
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Registry record
Entity type Individual (Type 1)
Name William Russell Lamb
Credential RD, LD
Sex Male
Practice address 22725 Us Highway 76, Clinton, SC, 29325
Phone (864) 833-9100
Enumeration date May 6, 2014
Last updated in NPPES May 6, 2014
Taxonomy & licenses
RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration.
About the RD 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 William Lamb practice?
The practice location on file with NPPES is in Clinton, SC. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William Lamb?
The National Provider Identifier (NPI) for William Lamb is 1821408279, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-05-06.