Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Benjamin Dieffenbach, MSW, LICSW

Clinical Social Worker in White Bear Lake, MN · enumerated 2016.

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

National Provider Identifier

1467809624

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Registry record

Entity type Individual (Type 1)

Name Benjamin Dieffenbach

Credential MSW, LICSW

Sex Male

Practice address 2368 Joy Ave, White Bear Lake, MN, 55110

Phone (651) 338-9435

Enumeration date May 18, 2016

Last updated in NPPES Mar 4, 2024

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 22483 (MN) 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.

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Frequently asked questions

What is the NPI number for Benjamin Dieffenbach?

The National Provider Identifier (NPI) for Benjamin Dieffenbach is 1467809624, a Type 1 (individual) record in the CMS NPPES registry.

Where does Benjamin Dieffenbach practice?

The practice location on file with NPPES is in White Bear Lake, MN. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-04.