Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Barbara J Olseen, MSW, LCSW

Clinical Social Worker in Bailey, CO · enumerated 2017.

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

National Provider Identifier

1801300744

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Registry record

Entity type Individual (Type 1)

Name Barbara J Olseen

Credential MSW, LCSW

Sex Female

Practice address 460 County Road 43 # A, Bailey, CO, 80421

Phone (855) 277-3678

Fax (303) 838-5867

Enumeration date Nov 30, 2017

Last updated in NPPES Jun 7, 2018

Taxonomy & licenses

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 991177 (CO) Secondary

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 00991177 (CO) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License CSW.00991177 (CO) Primary

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

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 Barbara Olseen?

The National Provider Identifier (NPI) for Barbara Olseen is 1801300744, a Type 1 (individual) record in the CMS NPPES registry.

Where does Barbara Olseen practice?

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

Other providers at this practice address

Browse all →

Judith Mayne Clinical Social Worker · Bailey, CO NPI 1942648860 Diversus Health Inc Mental Health Clinic/Center (Including Community Mental Health Center) · Bailey, CO NPI 1003271776 Elisha Rivers Professional Counselor · Bailey, CO NPI 1932628658 Diversus Health Inc Mental Health Clinic/Center (Including Community Mental Health Center) · Bailey, CO NPI 1487404224

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-06-07.