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NATASJA HAFFNER LMSW
NPI 1639014236
Social Worker in Fenton, MO

Active since April 21, 2026
1345 SMIZER MILL RD, FENTON, MO 63026(636) 496-4030 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Natasja Haffner Lmsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NATASJA HAFFNER LMSW (NPI 1639014236) is an individual social worker in Fenton, Missouri, licensed in Missouri (2026007525) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1639014236
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameNATASJA HAFFNERCredential: LMSW
Location Address1345 SMIZER MILL RDFenton, MO 63026-7305
Mailing Address2606 Louisiana Ave Apt 2nSaint Louis, MO 63118-1115
Phone(636) 496-4030
Sole ProprietorNo
Enumeration DateApril 21, 2026
NPPES CertifiedApril 21, 2026
✔ NPI 1639014236 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in MO · 2026007525
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
1345 SMIZER MILL RD, Fenton, MO 63026
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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LORI HUGG MD
Pediatrics
1345 SMIZER MILL RD
FENTON, MO 63026
St. Louis County (636) 496-5021
KAYLEE FOESTE LMSW
Social Worker
1345 SMIZER MILL RD
FENTON, MO 63026
St. Louis County (636) 496-4030
LOUIS DAMANI JONES LCSW
Social Worker
1345 SMIZER MILL RD
FENTON, MO 63026
St. Louis County (314) 768-8056
DR. MITCHELL ELTING MD
Family Medicine
1345 SMIZER MILL RD
FENTON, MO 63026
St. Louis County (636) 496-5023

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Natasja Haffner's NPI number?

The NPI number for Natasja Haffner is 1639014236. It was assigned to this individual provider in the NPPES registry on April 21, 2026.

Where is Natasja Haffner located?

Natasja Haffner practices at 1345 Smizer Mill Rd, Fenton, MO 63026. The listed phone number is (636) 496-4030.

What is Natasja Haffner's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Natasja Haffner was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.