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ETHAN BRANDEN OLIVER
NPI 1639023203
Student in an Organized Health Care Education/Training Program in Chicago, IL

Active since February 23, 2026
251 E HURON ST, CHICAGO, IL 60611(312) 926-2000 Get Directions Write a Review

NPPES record last updated: February 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ethan Branden Oliver NPPES

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

ETHAN BRANDEN OLIVER (NPI 1639023203) is an individual student in an organized health care education/training program in Chicago, Illinois and active in the NPI registry since February 2026. He maintains a secondary practice location in North Chicago.

NPPES Registry Identity

NPI1639023203
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameETHAN BRANDEN OLIVER
Location Address251 E HURON STChicago, IL 60611-2908
Mailing Address3333 Green Bay RdNorth Chicago, IL 60064-3037
Phone(312) 926-2000
Sole ProprietorNo
Enumeration DateFebruary 23, 2026
NPPES CertifiedFebruary 22, 2026
✔ NPI 1639023203 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.
251 E HURON ST, Chicago, IL 60611
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Secondary Practice Location 1

Location 13333 Green Bay RdNorth Chicago, IL 60064-3037 · Phone (847) 578-3000

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.

MARK WANG M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
251 E HURON ST, FEINBERG PAVILION
CHICAGO, IL 60611
Cook County (312) 503-8144
DR. MARLEY ANN DOYLE M/D.
Psychiatry & Neurology (Psychiatry)
251 E HURON ST, GALTER 3-150, C
CHICAGO, IL 60611
Cook County (312) 926-6895
CASSIDY SCHWAB MD
Anesthesiology
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 695-0061
SEONG PARK
Internal Medicine
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000
EMMA WALLS GREEVER MD
Emergency Medicine
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000
NICOLE ELIZABETH TRUPIANO MD
Dermatology
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000
ASHRAF SAMHAN MD
Internal Medicine
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000
DR. SABINA SPIGNER MD, MS, MPH
Obstetrics & Gynecology
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000

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 Ethan Oliver's NPI number?

The NPI number for Ethan Oliver is 1639023203. It was assigned to this individual provider in the NPPES registry on February 23, 2026.

Where is Ethan Oliver located?

Ethan Oliver practices at 251 E Huron St, Chicago, IL 60611. The listed phone number is (312) 926-2000.

What is Ethan Oliver'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 Ethan Oliver was last updated on February 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.