Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Mary Louise Stahlhuth, MFT

Counselor in Bremerton, WA · enumerated 2007.

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

National Provider Identifier

1427189117

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Registry record

Entity type Individual (Type 1)

Name Ms. Mary Louise Stahlhuth

Credential MFT

Sex Female

Practice address 5455 Almira Dr Ne, Bremerton, WA, 98311

Phone (360) 373-5031

Enumeration date Mar 7, 2007

Last updated in NPPES Nov 24, 2021

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers 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

Where does Mary Stahlhuth practice?

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

What is the NPI number for Mary Stahlhuth?

The National Provider Identifier (NPI) for Mary Stahlhuth is 1427189117, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-24.