Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Clifford S Leffingwell III, D.D.S.
Endodontics in Lincoln, NE · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1265479117
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Registry record
Entity type Individual (Type 1)
Name Dr. Clifford S Leffingwell III
Credential D.D.S.
Sex Male
Practice address 1919 S 40th St, Suite 214, Lincoln, NE, 68506
Phone (402) 486-4380
Fax (402) 486-1278
Enumeration date Jun 1, 2006
Last updated in NPPES Jul 8, 2007
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 Clifford Leffingwell practice?
The practice location on file with NPPES is in Lincoln, NE. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Clifford Leffingwell?
The National Provider Identifier (NPI) for Clifford Leffingwell is 1265479117, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.