Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Shelagh Kathleen Gleeson, M.D.

Pulmonary Disease Physician in Norfolk, VA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1275593881

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Registry record

Entity type Individual (Type 1)

Name Dr. Shelagh Kathleen Gleeson

Credential M.D.

Sex Female

Practice address 600 Gresham Dr Ste 8630b, Norfolk, VA, 23507

Phone (757) 388-6115

Fax (757) 275-9998

Enumeration date Mar 27, 2006

Last updated in NPPES Dec 29, 2023

Taxonomy & licenses

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 0101244947 (VA) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 0101244947 (VA) Secondary

207RS0012X Sleep Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 0101244947 (VA) Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 0101244947 (VA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
042161CT01	Other	CT	ANTHEM BLUE CROSS
P00205649	Other	-	MEDICARE RAILROAD

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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Shelagh Gleeson?

Shelagh Gleeson is registered in NPPES with the primary taxonomy of Pulmonary Disease Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-29.