Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Theresa S Hackenberg, LSW

Social Worker in Selinsgrove, PA · enumerated 2011.

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

National Provider Identifier

1558652792

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Ms. Theresa S Hackenberg

Credential LSW

Sex Female

Practice address Selinsgrove, PA, 17870

Phone (570) 884-8201

Enumeration date Apr 21, 2011

Last updated in NPPES Apr 21, 2011

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License SW122646 (PA) 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 Theresa Hackenberg?

The National Provider Identifier (NPI) for Theresa Hackenberg is 1558652792, a Type 1 (individual) record in the CMS NPPES registry.

Where does Theresa Hackenberg practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-04-21.