Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Brian L Winkler, LCSW
Social Worker in St Louis, MO · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1104952431
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Registry record
Entity type Individual (Type 1)
Name Mr. Brian L Winkler
Credential LCSW
Sex Male
Practice address 4144 Lindell Blvd, Suite 501, St Louis, MO, 63108
Phone (314) 531-3300
Fax (314) 531-7587
Enumeration date Feb 23, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy.
About the LCSW credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 120354 | Other | - | VALUE OPTIONS |
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 Brian Winkler?
Brian Winkler is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.