Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Matthew Douglas Smith, DDS
Dentist in Madison, TN · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639739345
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Registry record
Entity type Individual (Type 1)
Name Dr. Matthew Douglas Smith
Credential DDS
Sex Male
Practice address 500 Lentz Dr Ste 90a, Madison, TN, 37115
Phone (615) 678-1051
Enumeration date Jun 14, 2019
Last updated in NPPES Jun 14, 2019
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
Where does Matthew Smith practice?
The practice location on file with NPPES is in Madison, TN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Matthew Smith?
The National Provider Identifier (NPI) for Matthew Smith is 1639739345, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-06-14.