NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Katrin J Haller Msw Lcswc LLC

Clinical Social Worker in Chevy Chase, MD · enumerated 2018 · authorized official Katrin Haller, Lcswc.

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

National Provider Identifier

1225528573

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Katrin J Haller Msw Lcswc LLC
Other name <Unavail>
Practice address 2 Wisconsin Cir Ste 915, Chevy Chase, MD, 20815
Enumeration date May 12, 2018
Last updated in NPPES Dec 17, 2018

Taxonomy & classification

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 17423 (MD) Primary

Authorized official

Name Katrin Haller
Title Lcswc

Other identifiers

Identifier Type State Issuer
1245572445 Other MD BLUE CROSS BLUE SHIELDS

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

Who is the authorized official for Katrin J Haller Msw Lcswc LLC?
NPPES lists Katrin Haller (Lcswc) as the authorized official for this organization.
What is the NPI number for Katrin J Haller Msw Lcswc LLC?
The NPI for Katrin J Haller Msw Lcswc LLC is 1225528573, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-12-17.