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

Mrs. Shirley Anne Willis, PH.D.

Psychologist in Arlington, TX · enumerated 2006.

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

National Provider Identifier

1023184264

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Registry record

Entity type Individual (Type 1)

Name Mrs. Shirley Anne Willis

Credential PH.D.

Sex Female

Practice address Arlington, TX, 76017

Phone (814) 466-2585

Fax (817) 466-2596

Enumeration date Nov 28, 2006

Last updated in NPPES Mar 22, 2012

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

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 21860 (TX) Primary

103T00000X Psychologist Behavioral Health & Social Service Providers Secondary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier	Type	State	Issuer
096833101	Medicaid	TX	-
00H45R	Other	TX	BCBS

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 Shirley Willis?

The National Provider Identifier (NPI) for Shirley Willis is 1023184264, a Type 1 (individual) record in the CMS NPPES registry.

Where does Shirley Willis practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-03-22.