Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Krystle Stempien, LMSW

Clinical Social Worker in Phoenix, AZ · enumerated 2021.

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

National Provider Identifier

1154912624

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Registry record

Entity type Individual (Type 1)

Name Krystle Stempien

Credential LMSW

Sex Female

Practice address 1401 E Jefferson St, Phoenix, AZ, 85034

Phone (602) 529-6102

Enumeration date Jan 28, 2021

Last updated in NPPES Jul 18, 2024

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License LMSW-16409 (AZ) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LCSW-20894 (AZ) 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

What is the NPI number for Krystle Stempien?

The National Provider Identifier (NPI) for Krystle Stempien is 1154912624, a Type 1 (individual) record in the CMS NPPES registry.

Where does Krystle Stempien practice?

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

Other providers at this practice address

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Faith Solutions To Mental Health LLC Family Medicine Physician · Phoenix, AZ NPI 1760918254 Abra Health LLC Community Health Clinic/Center · Phoenix, AZ NPI 1699530485 Pilgrim Rest Foundation Inc. Early Intervention Provider Agency · Phoenix, AZ NPI 1295625077

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-18.