Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Clark Q Beckley, LCSW
Clinical Social Worker in Lisle, IL · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1194026443
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Registry record
Entity type Individual (Type 1)
Name Mr. Clark Q Beckley
Credential LCSW
Sex Male
Practice address 4745 Main St, Suite 207, Lisle, IL, 60532
Phone (630) 442-1895
Fax (630) 442-1895
Enumeration date Nov 3, 2010
Last updated in NPPES Sep 30, 2016
Taxonomy & licenses
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 149.016945 (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.
Frequently asked questions
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Clark Beckley?
Clark Beckley is registered in NPPES with the primary taxonomy of Clinical Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-09-30.