NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katharina Lemmerz, LSW

Social Worker in Hoboken, NJ · enumerated 2021 · practices at Starr Psychotherapy, LLC.

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

National Provider Identifier

1134894108

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Katharina Lemmerz
Credential LSW
Sex Female
Practice address 306 Washington St Ste 302, Hoboken, NJ, 07030
Phone (201) 218-7431
Enumeration date Aug 12, 2021
Last updated in NPPES Aug 9, 2022

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 44SL06662600 (NJ) 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 Katharina Lemmerz?
The National Provider Identifier (NPI) for Katharina Lemmerz is 1134894108, a Type 1 (individual) record in the CMS NPPES registry.
Where does Katharina Lemmerz practice?
The practice location on file with NPPES is in Hoboken, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-08-09.