Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stanley D Clark Jr., PSY.D.

Psychologist in Harlingen, TX · enumerated 2006.

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

National Provider Identifier

1356418966

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Registry record

Entity type Individual (Type 1)

Name Stanley D Clark Jr.

Credential PSY.D.

Sex Male

Practice address 2106 Treasure Hills Blvd, Harlingen, TX, 78550

Phone (956) 366-4500

Fax (956) 366-4501

Enumeration date Nov 29, 2006

Last updated in NPPES Mar 21, 2016

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 2119 (TN) Primary

PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice. About the PSYD credential

Other identifiers

Identifier	Type	State	Issuer
169996000	Other	TN	MAGELLAN HEALTH
3094668	Other	TN	BCBST
7838192	Other	TN	AETNA

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 Stanley Clark?

The National Provider Identifier (NPI) for Stanley Clark is 1356418966, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stanley Clark practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-21.