DR. THADDEUS LELAND DUNN MD
NPI 1275531428
Internal Medicine - Sleep Medicine in Wilmington, NC

Active since July 12, 2005
1090 MEDICAL CENTER DR, WILMINGTON, NC 28401(910) 343-3345(910) 343-1924 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Thaddeus Leland Dunn Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THADDEUS LELAND DUNN MD (NPI 1275531428) is an individual sleep medicine provider in Wilmington, North Carolina, licensed in North Carolina (31493) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1275531428
Entity TypeIndividualMale
Primary Taxonomy207RS0012X
Provider Legal NameDR. THADDEUS LELAND DUNNCredential: MD
Location Address1090 MEDICAL CENTER DRWilmington, NC 28401-7353
Mailing Address1090 Medical Center DrWilmington, NC 28401-7353 · (910) 343-3345 · Fax (910) 343-1924
Fax(910) 343-1924
Sole ProprietorNo
Enumeration DateJuly 12, 2005
Last NPPES UpdateSeptember 11, 2025
NPI 1275531428 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
License Licensed in NC · 31493
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 31493 (NC)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 31493 (NC)
1090 MEDICAL CENTER DR, Wilmington, NC 28401

Other Identifiers 4

Other4828881NC · United Healthcare Provide
Other88073NC · Medocst Provider Number
Medicaid8929445NC
Other29445NC · Bcbs Of Nc Provider Numbe

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
1090 MEDICAL CENTER DR
WILMINGTON, NC 28401
Nurse Practitioner
1090 MEDICAL CENTER DR
WILMINGTON, NC 28401
Internal Medicine (Pulmonary Disease)
1090 MEDICAL CENTER DR
WILMINGTON, NC 28401
Internal Medicine (Pulmonary Disease)
1090 MEDICAL CENTER DR
WILMINGTON, NC 28401
Nurse Practitioner
1090 MEDICAL CENTER DR
WILMINGTON, NC 28401
Internal Medicine (Pulmonary Disease)
1090 MEDICAL CENTER DR
WILMINGTON, NC 28401
Internal Medicine (Pulmonary Disease)
1090 MEDICAL CENTER DR
WILMINGTON, NC 28401
Internal Medicine (Pulmonary Disease)
1090 MEDICAL CENTER DR
WILMINGTON, NC 28401

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thaddeus Dunn's NPI number?

The NPI number for Thaddeus Dunn is 1275531428. It was assigned to this individual provider in the NPPES registry on July 12, 2005.

Where is Thaddeus Dunn located?

Thaddeus Dunn practices at 1090 Medical Center Dr, Wilmington, NC 28401. The listed phone number is (910) 343-3345.

What is Thaddeus Dunn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

When was this NPI record last updated?

The NPPES record for Thaddeus Dunn was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.