NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Darnell Eugene Griffen, LICSW

Clinical Social Worker in Kent, WA · enumerated 2014.

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

National Provider Identifier

1922404714

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Darnell Eugene Griffen
Credential LICSW
Sex Male
Practice address 25843 129th Pl Se, Kent, WA, 98030
Enumeration date Nov 6, 2014
Last updated in NPPES Nov 21, 2024

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License LW60496754 (WA) Secondary
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LW60496754 (WA) 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 Darnell Griffen?
The National Provider Identifier (NPI) for Darnell Griffen is 1922404714, a Type 1 (individual) record in the CMS NPPES registry.
Where does Darnell Griffen practice?
The practice location on file with NPPES is in Kent, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-11-21.