Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dianne D Tyndall, LMSW
Social Worker in Saginaw, MI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1437370491
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Registry record
Entity type Individual (Type 1)
Name Dianne D Tyndall
Credential LMSW
Sex Female
Practice address 4901 Towne Centre Rd, Ste 300, Saginaw, MI, 48604
Phone (989) 498-5100
Fax (989) 498-0197
Enumeration date May 1, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 6801064849 (MI) 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
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 Dianne Tyndall?
Dianne Tyndall 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.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.