MACKENZIE ANNE SMITH STECK MD
NPI 1619436441
Internal Medicine - Critical Care Medicine in Saint Louis, MO
About Mackenzie Anne Smith Steck Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MACKENZIE ANNE SMITH STECK MD (NPI 1619436441) is an individual critical care medicine provider in Saint Louis, Missouri, licensed in Missouri (2022033891) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses 3
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mackenzie Anne Smith Steck Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63104
SAINT LOUIS, MO 63104
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 Mackenzie Steck's NPI number?
The NPI number for Mackenzie Steck is 1619436441. It was assigned to this individual provider in the NPPES registry on March 19, 2019.
Where is Mackenzie Steck located?
Mackenzie Steck practices at 1225 S Grand Blvd, Saint Louis, MO 63104. The listed phone number is (314) 977-4680.
What is Mackenzie Steck's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Mackenzie Steck enrolled in Medicare?
Yes. Mackenzie Steck is registered in the Medicare PECOS enrollment system.
What insurance does Mackenzie Steck accept?
Health plans from Anthem Blue Cross and Blue Shield and Oscar Insurance Company list Mackenzie Steck as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mackenzie Steck was last updated on April 28, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.