Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mrs. Noreen Ann Baldwin, M.S.

Speech-Language Pathologist in Phoenix, AZ · enumerated 2007.

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

National Provider Identifier

1871646091

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Registry record

Entity type Individual (Type 1)

Name Mrs. Noreen Ann Baldwin

Credential M.S.

Sex Female

Practice address Phoenix, AZ, 85033

Phone (623) 691-4117

Enumeration date Jan 19, 2007

Last updated in NPPES Jul 9, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License SLP0607 (AZ) Primary

Other identifiers

Identifier	Type	State	Issuer
580888	Medicaid	AZ	-

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1871646091 active?

Yes, as of the latest NPPES snapshot, NPI 1871646091 is active (record last updated 2007-07-09).

How do I verify Noreen Baldwin's NPI record?

Cross-check NPI 1871646091 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.