Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Helene E. Cook, PHD

Psychologist in Greenville, SC · enumerated 2014.

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

National Provider Identifier

1306234380

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Registry record

Entity type Individual (Type 1)

Name Helene E. Cook

Credential PHD

Sex Female

Practice address 701 Grove Rd, Suite 200, Greenville, SC, 29605

Phone (864) 455-8431

Enumeration date Dec 29, 2014

Last updated in NPPES Oct 19, 2015

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 1900 (AL) Secondary

103T00000X Psychologist Behavioral Health & Social Service Providers · License 1371 (SC) Primary

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

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 specialty is Helene Cook?

Helene Cook is registered in NPPES with the primary taxonomy of Psychologist. 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 2015-10-19.