Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MACKENZIE OLSEN MD
NPI 1982406039
Student in an Organized Health Care Education/Training Program in Saint Louis, MO

Q: What is Mackenzie Olsen's NPI number?

The NPI number for Mackenzie Olsen is 1982406039. It was assigned to this individual provider in the NPPES registry on March 26, 2025.

Q: What is Mackenzie Olsen's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Q: When was this NPI record last updated?

The NPPES record for Mackenzie Olsen was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 days 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.

Active since March 26, 2025

1 CHILDRENS PL, SAINT LOUIS, MO 63110(314) 454-6006(314) 454-4102 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Dr. Mackenzie Olsen Md NPPES

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

DR. MACKENZIE OLSEN MD (NPI 1982406039) is an individual student in an organized health care education/training program in Saint Louis, Missouri and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1982406039

Entity TypeIndividualFemale

Primary Taxonomy390200000X

Provider Legal NameDR. MACKENZIE OLSENCredential: MD

Location Address1 CHILDRENS PLSaint Louis, MO 63110-1002

Mailing Address1 Childrens PlSaint Louis, MO 63110-1002 · (314) 454-6006 · Fax (314) 454-4102

Phone(314) 454-6006

Fax(314) 454-4102

Sole ProprietorNo

Enumeration DateMarch 26, 2025

Last NPPES UpdateJune 30, 2026

NPPES CertifiedJune 30, 2026

✔ NPI 1982406039 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care

Taxonomy Code390200000X

Definition

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

1 CHILDRENS PL, Saint Louis, MO 63110

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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.

ARIE BAKER MSW, LCSW

Social Worker (Clinical)

1 CHILDRENS PL, CAMPUS BOX 8116
SAINT LOUIS, MO 63110

St. Louis City (314) 747-6169

HANNAH EDELMAN MD, PHD

Psychiatry & Neurology (Neurology)

1 CHILDRENS PL
SAINT LOUIS, MO 63110

St. Louis City (314) 454-6120

SUSAN CHEUNG WALSH AUD

Audiologist-Hearing Aid Fitter

1 CHILDRENS PL
SAINT LOUIS, MO 63110

St. Louis City (314) 454-4649

MS. JENNIFER MARIE JACOBI PNP

Nurse Practitioner (Pediatrics)

1 CHILDRENS PL, DEPT NEUROLOGICAL SURGERY, STE 4E
SAINT LOUIS, MO 63110

St. Louis City (314) 362-3577

MS. EMILY LINCOLN RN, NNP-BC

Nurse Practitioner (Neonatal, Critical Care)

1 CHILDRENS PL
SAINT LOUIS, MO 63110

St. Louis City (314) 454-6000

MS. MARISSA ROSE PEREZ-MAGNELLI PNP

Nurse Practitioner (Pediatrics)

1 CHILDRENS PL, DEPT NEUROLOGY, STE 2130
SAINT LOUIS, MO 63110

St. Louis City (314) 454-6120

DR. WILLIAM L RIVES MD

Hospitalist

1 CHILDRENS PL, DIV PED HOSPITALIST MED
SAINT LOUIS, MO 63110

St. Louis City (314) 454-2076

DR. PETER M KILBRIDGE MD

Pediatrics

1 CHILDRENS PL, SUITE C
SAINT LOUIS, MO 63110

St. Louis City (314) 454-2479

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 Olsen's NPI number?

The NPI number for Mackenzie Olsen is 1982406039. It was assigned to this individual provider in the NPPES registry on March 26, 2025.

Where is Mackenzie Olsen located?

Mackenzie Olsen practices at 1 Childrens Pl, Saint Louis, MO 63110. The listed phone number is (314) 454-6006.

What is Mackenzie Olsen's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Mackenzie Olsen was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 days 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.