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

Ms. Stephanie Armbruster

Peer Specialist in South Pasadena, CA · enumerated 2015.

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

National Provider Identifier

1619349081

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Registry record

Entity type Individual (Type 1)

Name Ms. Stephanie Armbruster

Sex Female

Practice address South Pasadena, CA, 91030

Phone (626) 441-4221

Enumeration date Oct 26, 2015

Last updated in NPPES Feb 2, 2024

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

175T00000X Peer Specialist Other Service Providers Primary

Other identifiers

Identifier	Type	State	Issuer
TFC4839	Other	CA	LOS ANGELES COUNTY DMH

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 Stephanie Armbruster practice?

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

What is the NPI number for Stephanie Armbruster?

The National Provider Identifier (NPI) for Stephanie Armbruster is 1619349081, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-02.