Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Mackenzie K Haddox
Health Educator in Saint Louis, MO · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1649759366
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Registry record
Entity type Individual (Type 1)
Name Mrs. Mackenzie K Haddox
Sex Female
Practice address 11960 Westline Industrial Dr Ste 232, Saint Louis, MO, 63146
Phone (314) 579-0800
Enumeration date Aug 13, 2018
Last updated in NPPES Aug 13, 2018
Taxonomy & licenses
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 is the NPI number for Mackenzie Haddox?
The National Provider Identifier (NPI) for Mackenzie Haddox is 1649759366, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mackenzie Haddox practice?
The practice location on file with NPPES is in Saint Louis, MO. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-08-13.