Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Darrell Duane Turner, PHD

Clinical Psychologist in League City, TX · enumerated 2006.

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

National Provider Identifier

1275633661

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Registry record

Entity type Individual (Type 1)

Name Dr. Darrell Duane Turner

Credential PHD

Sex Male

Practice address 419 Primrose Ln, League City, TX, 77573

Phone (713) 435-9864

Fax (281) 557-4737

Enumeration date Sep 25, 2006

Last updated in NPPES Apr 3, 2020

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 6301008458 (MI) Secondary

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 33078 (TX) Secondary

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 071004216 (IL) 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

Is NPI 1275633661 active?

Yes, as of the latest NPPES snapshot, NPI 1275633661 is active (record last updated 2020-04-03).

How do I verify Darrell Turner's NPI record?

Cross-check NPI 1275633661 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-04-03.