Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Mark Brown Jr.

Q: What is the NPI number for Mark Brown?

The National Provider Identifier (NPI) for Mark Brown is 1013374693, a Type 1 (individual) record in the CMS NPPES registry.

Mental Health Counselor in Plaquemine, LA · enumerated 2016 · practices at River West Clinic Corp..

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

National Provider Identifier

1013374693

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Registry record

Entity type Individual (Type 1)

Name Mr. Mark Brown Jr.

Sex Male

Practice address 59335 River West Dr, Suite B, Plaquemine, LA, 70764

Phone (225) 385-4543

Fax (866) 825-9703

Enumeration date Jan 27, 2016

Last updated in NPPES Jan 27, 2016

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

Where does Mark Brown practice?

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

What is the NPI number for Mark Brown?

The National Provider Identifier (NPI) for Mark Brown is 1013374693, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-01-27.