NEXX STEP HEALTH & DIAGNOSTICS CENTER
NPI 1538057740
Clinical Medical Laboratory in Saint Louis, MO

Active since June 26, 2025
3156 PERSHALL RD STE 132, SAINT LOUIS, MO 63136(314) 319-3651 Get Directions Write a Review

NPPES record last updated: July 18, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Nexx Step Health & Diagnostics Center NPPES

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

NEXX STEP HEALTH & DIAGNOSTICS CENTER (NPI 1538057740) is a healthcare organization registered as a clinical medical laboratory in Saint Louis, Missouri and active in the NPI registry since June 2025. The organization lists Tashay Nicole Williams, Owner, as its authorized official.

NPPES Registry Identity

NPI1538057740
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameNEXX STEP HEALTH & DIAGNOSTICS CENTER
Location Address3156 PERSHALL RD STE 132Saint Louis, MO 63136-4406
Mailing Address3156 Pershall Rd Ste 132Saint Louis, MO 63136-4406 · (314) 319-3651
Organization SubpartNo
Authorized OfficialTashay Nicole WilliamsOwner · (314) 319-3651
Enumeration DateJune 26, 2025
Last NPPES UpdateJuly 18, 2025
NPPES CertifiedJuly 18, 2025
NPI 1538057740 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
Definition
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.
3156 PERSHALL RD STE 132, Saint Louis, MO 63136

Other Providers at the Same Location NPPES 2

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

Non-emergency Medical Transport (VAN)
3156 PERSHALL RD STE 132
SAINT LOUIS, MO 63136
Non-emergency Medical Transport (VAN)
3156 PERSHALL RD STE 132
SAINT LOUIS, MO 63136

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 Nexx Step Health & Diagnostics Center's NPI number?

The NPI number for Nexx Step Health & Diagnostics Center is 1538057740. It was assigned to this organization in the NPPES registry on June 26, 2025.

Where is Nexx Step Health & Diagnostics Center located?

Nexx Step Health & Diagnostics Center is located at 3156 Pershall Rd Ste 132, Saint Louis, MO 63136. The listed phone number is (314) 319-3651.

What is Nexx Step Health & Diagnostics Center's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

When was this NPI record last updated?

The NPPES record for Nexx Step Health & Diagnostics Center was last updated on July 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.