Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ann Louise Walker

Specialist in Pittsburgh, PA · enumerated 2019.

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

National Provider Identifier

1134766728

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Registry record

Entity type Individual (Type 1)

Name Ann Louise Walker

Sex Female

Practice address 1011 Bingham St, Pittsburgh, PA, 15203

Phone (412) 235-5388

Fax (412) 235-5322

Enumeration date Dec 3, 2019

Last updated in NPPES Dec 3, 2019

Taxonomy & licenses

174400000X Specialist Other Service Providers 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

What specialty is Ann Walker?

Ann Walker is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-12-03.