Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marta L Stamwitz, LCSW

Clinical Social Worker in Parker, CO · enumerated 2010 · practices at Poudre Valley Medical Group, LLC.

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

National Provider Identifier

1134434582

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Registry record

Entity type Individual (Type 1)

Name Marta L Stamwitz

Credential LCSW

Sex Female

Practice address 19964 Hilltop Rd Ste A, Parker, CO, 80134

Phone (303) 841-2212

Fax (303) 841-4716

Enumeration date Aug 10, 2010

Last updated in NPPES Aug 1, 2022

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier	Type	State	Issuer
100073590	Medicaid	IN	-

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 Marta Stamwitz?

The National Provider Identifier (NPI) for Marta Stamwitz is 1134434582, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marta Stamwitz practice?

The practice location on file with NPPES is in Parker, CO. 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 2022-08-01.