Ethan Branden Oliver

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

251 E Huron St
Chicago, IL 60611-2908

Phone

(312) 926-2000

NPI assigned

Feb 23, 2026

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1771804800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771804800000",
    "number": "1639023203",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3333 GREEN BAY RD",
            "city": "NORTH CHICAGO",
            "state": "IL",
            "postal_code": "600643037"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "251 E HURON ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112908",
            "telephone_number": "312-926-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3333 Green Bay Rd",
            "address_purpose": "LOCATION",
            "city": "North Chicago",
            "state": "IL",
            "postal_code": "600643037",
            "country_code": "US",
            "telephone_number": "847-578-3000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OLIVER",
        "first_name": "ETHAN",
        "middle_name": "BRANDEN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-02-23",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Olivej4 Healthcare Inc
• Allison Beverly Oliver
• Amy Maureen Oliver, MD
• Claire Oliver, APRN, PMHNP-BC
• Ella Rose Oliver
• Jerome R. Oliver, D.C.
• June E. Oliver, APN-CNP
• Melissa Oliver, APN
• Melissa Leniece Oliver, LCSW
• Meridith Oliver

• Student in an Organized Health Care Education/Training Program in Chicago, IL
• Providers in Chicago, IL by specialty
• Student in an Organized Health Care Education/Training Program in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.