Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

David L O'Keeffe, LCSW

Clinical Social Worker in Chicago, IL · enumerated 2020.

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

National Provider Identifier

1922601210

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Registry record

Entity type Individual (Type 1)

Name David L O'Keeffe

Credential LCSW

Sex Male

Practice address 122 S Michigan Ave Ste 1441, Chicago, IL, 60603

Phone (877) 692-8686

Enumeration date Nov 18, 2020

Last updated in NPPES Jun 6, 2023

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 149.022190 (IL) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

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 David O'Keeffe?

The National Provider Identifier (NPI) for David O'Keeffe is 1922601210, a Type 1 (individual) record in the CMS NPPES registry.

Where does David O'Keeffe practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-06.