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

Stephen Walker, MHPP

Mental Health Counselor in Hot Springs, AR · enumerated 2012 · practices at Phoenix Counseling Services, Inc..

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

National Provider Identifier

1821360264

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Registry record

Entity type Individual (Type 1)

Name Stephen Walker

Credential MHPP

Sex Male

Practice address Hot Springs, AR, 71901

Phone (501) 663-5473

Fax (501) 801-1816

Enumeration date Feb 1, 2012

Last updated in NPPES Sep 3, 2021

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

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License P1608121 Primary

Other identifiers

Identifier	Type	State	Issuer
P1608121	Other	AR	ARKANSAS BOARD OF EXAMINERS IN COUNSELING
201083795	Medicaid	AR	-
1821360264	Medicaid	AR	-

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 Walker?

The National Provider Identifier (NPI) for Stephen Walker is 1821360264, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephen Walker practice?

The practice location on file with NPPES is in Hot Springs, AR. 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 2021-09-03.