DR. THADDEUS LELAND DUNN MD NPI 1275531428

NPI Information

NPI: 1275531428
Provider Name: DR. THADDEUS LELAND DUNN, MD
Classification: Internal Medicine - 207RS0012X
Specialization: Sleep Medicine
Entity Type: Individual
Address: 1090 MEDICAL CENTER DR
WILMINGTON, NC
ZIP 28401
Phone: (910) 343-3345

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NPI Details

DR. Thaddeus Leland Dunn, MD is a sleep medicine internal medicine in Wilmington, NC. The provider is 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. DR. Thaddeus Leland Dunn, MD NPI is 1275531428. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

1090 MEDICAL CENTER DR
WILMINGTON, NC
ZIP 28401-353
Phone: (910) 343-3345
Fax: (910) 343-1924

The enumeration date for this NPI number is 7/12/2005 and was last updated on 9/11/2025.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No.	Taxonomy Code	Taxonomy Clasification	Taxonomy Specialization	License Number	License State	Primary
1	207RC0200X	Internal Medicine	Critical Care Medicine	31493	NORTH CAROLINA	No
2	207RP1001X	Internal Medicine	Pulmonary Disease	31493	NORTH CAROLINA	No
3	207RS0012X	Internal Medicine	Sleep Medicine	31493	NORTH CAROLINA	Yes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No.	Other Provider Identifier	Other Provider Identifier Type	Other Provider Identifier State	Other Provider Identifier Issuer
1	4828881	OTHER	NORTH CAROLINA	UNITED HEALTHCARE PROVIDE
2	88073	OTHER	NORTH CAROLINA	MEDOCST PROVIDER NUMBER
3	8929445	MEDICAID	NORTH CAROLINA
4	29445	OTHER	NORTH CAROLINA	BCBS OF NC PROVIDER NUMBE

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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