Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Lewis Casteele Jr., LMFT, LMHC, CDP

Addiction (Substance Use Disorder) Counselor in Lakewood, WA · enumerated 2006 · practices at Mmg Speech & Therapeutic Services, LLC.

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

National Provider Identifier

1619913084

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Registry record

Entity type Individual (Type 1)

Name John Lewis Casteele Jr.

Credential LMFT, LMHC, CDP

Sex Male

Practice address 9881 Bridgeport Way Sw, Suite B, Lakewood, WA, 98499

Phone (253) 589-1611

Fax (253) 589-1544

Enumeration date Jun 22, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License CP00002471 (WA) Primary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License LH00006610 (WA) Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License LF00001490 (WA) Secondary

LMFT · Licensed Marriage and Family Therapist: A licensed therapist specializing in relational and family psychotherapy. About the LMFT credential

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.

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Frequently asked questions

What is the NPI number for John Casteele?

The National Provider Identifier (NPI) for John Casteele is 1619913084, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Casteele practice?

The practice location on file with NPPES is in Lakewood, WA. 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 2025-09-11.