Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Tommy S Louthan, OD
Optometrist in Knoxville, TN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1548240906
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Registry record
Entity type Individual (Type 1)
Name Tommy S Louthan
Credential OD
Sex Male
Practice address 4626 Mill Branch Ln, Knoxville, TN, 37938
Phone (865) 922-7765
Fax (865) 922-7766
Enumeration date Jan 20, 2006
Last updated in NPPES Dec 27, 2016
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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 Tommy Louthan?
The National Provider Identifier (NPI) for Tommy Louthan is 1548240906, a Type 1 (individual) record in the CMS NPPES registry.
Where does Tommy Louthan practice?
The practice location on file with NPPES is in Knoxville, TN. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-12-27.