Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David K Duncan, MD
Dermatology Physician in Norman, OK · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1215116975
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Registry record
Entity type Individual (Type 1)
Name David K Duncan
Credential MD
Sex Male
Practice address 2413 Palmer Cir, Norman, OK, 73069
Phone (405) 321-3868
Enumeration date Oct 30, 2007
Last updated in NPPES Nov 10, 2010
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD 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 David Duncan practice?
The practice location on file with NPPES is in Norman, OK. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for David Duncan?
The National Provider Identifier (NPI) for David Duncan is 1215116975, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Thomas Urice Specialist · Norman, OK NPI 1023016169 Paul Gillum Dermatopathology Physician · Norman, OK NPI 1982602025 Jennifer Roberts Dermatology Physician · Norman, OK NPI 1871799619 Paul S. Gillum, MD, PC Dermatopathology Physician · Norman, OK NPI 1407024367 Jennifer B. Roberts, MD, Pllc Specialist · Norman, OK NPI 1659652576 Thomas D. Urice M.D. LLC Dermatology Physician · Norman, OK NPI 1093148488
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-11-10.