Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Theresa M Walker, APN-C

Adult Health Nurse Practitioner in Henderson, NV · enumerated 2006.

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

National Provider Identifier

1669422036

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Registry record

Entity type Individual (Type 1)

Name Theresa M Walker

Credential APN-C

Sex Female

Practice address 600 Whitney Ranch Dr, B6, Henderson, NV, 89014

Phone (702) 547-0088

Fax (702) 434-1579

Enumeration date May 10, 2006

Last updated in NPPES Mar 28, 2012

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APN00328 (NV) Primary

163W00000X Registered Nurse Nursing Service Providers · License RN12232 (NV) Secondary

Other identifiers

Identifier	Type	State	Issuer
PENDING	Medicaid	NV	-

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

What is the NPI number for Theresa Walker?

The National Provider Identifier (NPI) for Theresa Walker is 1669422036, a Type 1 (individual) record in the CMS NPPES registry.

Where does Theresa Walker practice?

The practice location on file with NPPES is in Henderson, NV. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-03-28.