Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Margaret Anne Blackwell, RN BSN

Registered Nurse in Atlanta, GA · enumerated 2006.

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

National Provider Identifier

1043382641

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Registry record

Entity type Individual (Type 1)

Name Mrs. Margaret Anne Blackwell

Credential RN BSN

Sex Female

Practice address 186 Sunset Ave Nw, Atlanta, GA, 30314

Phone (404) 730-4666

Fax (404) 224-3104

Enumeration date Nov 15, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License RN029925 (GA) Primary

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 Margaret Blackwell?

Margaret Blackwell is registered in NPPES with the primary taxonomy of Registered Nurse. 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 2007-07-08.