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

Clark Thompson, MSW

Mental Health Counselor in West Orange, NJ · enumerated 2023.

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

National Provider Identifier

1497461594

Verified

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Registry record

Entity type Individual (Type 1)

Name Clark Thompson

Credential MSW

Sex Male

Practice address West Orange, NJ, 07052

Phone (973) 980-6538

Enumeration date Jan 23, 2023

Last updated in NPPES Jan 23, 2023

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

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Primary

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 Clark Thompson?

The National Provider Identifier (NPI) for Clark Thompson is 1497461594, a Type 1 (individual) record in the CMS NPPES registry.

Where does Clark Thompson practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-01-23.