Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dwain L Simpson, MSW, LCSW
Clinical Social Worker in Tulsa, OK · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1922007830
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Registry record
Entity type Individual (Type 1)
Name Dwain L Simpson
Credential MSW, LCSW
Sex Male
Practice address 1923 S Utica Ave, Tulsa, OK, 74104
Phone (918) 744-2345
Fax (918) 744-3505
Enumeration date Jul 21, 2005
Last updated in NPPES Aug 20, 2007
Taxonomy & licenses
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 1540 (OK) 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
What specialty is Dwain Simpson?
Dwain Simpson 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.
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.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-20.