NPI Portal NPI Lookup & Verification

Mt Castle Transitional Living Services

Mt Castle Transitional Living Services is a healthcare organization registered as Foster Care Agency in Milwaukee, WI, holding Type 2 (organization) NPI 1558147249 since 2023. The authorized official on file is Michael Harper, Director.

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NPI 1558147249
Entity type Organization (Type 2)
Legal business name Mt Castle Transitional Living Services
Practice address 3808 W ELM ST, Milwaukee, WI, 53209
Phone 4144062802
Fax 4145401066
Enumeration date 2023-09-07
Last updated in NPPES 2023-09-07

Authorized official

Name Michael Harper
Title Director
Phone 4144062802

Taxonomy & classification

Taxonomy code Specialty Primary License State
253J00000X Foster Care Agency Primary
Copy-ready billing details
Provider: Mt Castle Transitional Living Services
NPI: 1558147249
Taxonomy: 253J00000X (Foster Care Agency)
Address: 3808 W ELM ST, Milwaukee, WI, 53209

Providers at this address

NPI Name Type Specialty Location
1033352760 Mount Castle Corporation Organization Community/Behavioral Health Agency Milwaukee, WI
1255787917 Home Living Services Corp Organization Home Health Agency Milwaukee, WI
1376192260 Disabilities Unlimited Inc. Organization Adult Day Care Clinic/Center Milwaukee, WI

Verify this record

Cross-check NPI 1558147249 against the authoritative CMS record: view Mt Castle Transitional Living Services on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Who is the authorized official for Mt Castle Transitional Living Services?
NPPES lists Michael Harper (Director) as the authorized official for this organization.
What is the NPI number for Mt Castle Transitional Living Services?
The NPI for Mt Castle Transitional Living Services is 1558147249, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2023-09-07.