NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Breanna Oltmanns, LSW

Clinical Social Worker in Denver, CO · enumerated 2020.

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

National Provider Identifier

1801402110

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mrs. Breanna Oltmanns
Credential LSW
Sex Female
Practice address 190 E 9th Ave Ste 200, Denver, CO, 80203
Phone (720) 647-6700
Enumeration date Sep 22, 2020
Last updated in NPPES Nov 1, 2024

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers Secondary
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 0009924950 (CO) 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 specialty is Breanna Oltmanns?
Breanna Oltmanns is registered in NPPES with the primary taxonomy of Clinical Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-11-01.