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

Allen Clark IV

Q: What is the NPI number for Allen Clark?

The National Provider Identifier (NPI) for Allen Clark is 1558192252, a Type 1 (individual) record in the CMS NPPES registry.

Intellectual and/or Developmental Disabilities Community Based Residential Treatment Facility in Houston, TX · enumerated 2024 · practices at Allen Clark IV.

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

National Provider Identifier

1558192252

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Registry record

Entity type Individual (Type 1)

Name Allen Clark IV

Sex Male

Practice address Houston, TX, 77084

Phone (702) 515-9048

Fax (702) 515-9048

Enumeration date Aug 13, 2024

Last updated in NPPES Jul 27, 2026

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

Taxonomy & licenses

251S00000X Community/Behavioral Health Agency Agencies Secondary

251C00000X Developmentally Disabled Services Day Training Agency Agencies · License 001035425 (TX) Secondary

251G00000X Community Based Hospice Care Agency Agencies Secondary

372600000X Adult Companion Nursing Service Related Providers Secondary

374U00000X Home Health Aide Nursing Service Related Providers Secondary

376J00000X Homemaker Nursing Service Related Providers Secondary

320900000X Intellectual and/or Developmental Disabilities Community Based Residential Treatment Facility Residential Treatment Facilities 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 Allen Clark?

The National Provider Identifier (NPI) for Allen Clark is 1558192252, a Type 1 (individual) record in the CMS NPPES registry.

Where does Allen Clark practice?

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

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Allen Clark IV Intellectual and/or Developmental Disabilities Community Based Residential Treatment Facility · Houston, TX NPI 1780505529

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