Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Lois K. Trost, M.S.W.
Clinical Social Worker in Tulsa, OK · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558497248
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Registry record
Entity type Individual (Type 1)
Name Lois K. Trost
Credential M.S.W.
Sex Female
Practice address 6846 S Canton Ave, Suite 501, Tulsa, OK, 74136
Phone (918) 745-0095
Fax (918) 745-0190
Enumeration date Feb 26, 2007
Last updated in NPPES May 10, 2011
Taxonomy & licenses
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License #3146 (OK) 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.
Frequently asked questions
What specialty is Lois Trost?
Lois Trost 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 2011-05-10.