Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. George M. Duncan, DDS
Dentist in Dunlap, IL · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255512273
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Registry record
Entity type Individual (Type 1)
Name Dr. George M. Duncan
Credential DDS
Sex Male
Practice address 11825 State Route 40, Suite 100, Dunlap, IL, 61525
Phone (309) 243-8980
Fax (309) 243-8983
Enumeration date Nov 19, 2007
Last updated in NPPES Sep 27, 2012
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 George Duncan practice?
The practice location on file with NPPES is in Dunlap, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for George Duncan?
The National Provider Identifier (NPI) for George Duncan is 1255512273, 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 2012-09-27.