Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stephen A Houston, LCSW

Clinical Social Worker in Indianapolis, IN · enumerated 2016.

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

National Provider Identifier

1912364084

Verified

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Registry record

Entity type Individual (Type 1)

Name Stephen A Houston

Credential LCSW

Sex Male

Practice address 1800 N Meridian St, Indianapolis, IN, 46202

Phone (317) 921-4119

Enumeration date Jan 20, 2016

Last updated in NPPES Jun 4, 2025

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 34007733A (IN) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier	Type	State	Issuer
300089502	Medicaid	IN	-

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 Stephen Houston?

The National Provider Identifier (NPI) for Stephen Houston is 1912364084, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephen Houston practice?

The practice location on file with NPPES is in Indianapolis, IN. 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 2025-06-04.