John Phillip Marquart, MD

Primary specialty

Trauma Surgery PhysicianTaxonomy code 2086S0127X

License

7231-020 Issued in WI

Practice address

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522

Phone

(414) 955-1700

Fax

(414) 955-0072

NPI assigned

Apr 1, 2018

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in WA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Interoperability endpoints

• Direct secure messaging: jmarquartmd252957@direct.froedtert.com

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

{
    "created_epoch": "1522540800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1417453317",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9200 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263522",
            "telephone_number": "414-955-1700",
            "fax_number": "414-955-0072"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9200 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263522",
            "telephone_number": "414-955-1700",
            "fax_number": "414-955-0072"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARQUART",
        "first_name": "JOHN",
        "middle_name": "PHILLIP",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-01",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0127X",
            "taxonomy_group": "",
            "desc": "Surgery, Trauma Surgery",
            "state": "WI",
            "license": "7231-020",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1417453317",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Mary M Maroney, LMFT
• Sarah Marotz, PA
• Georgios Maroulakos, DDS, MS, FACP
• Noah Marquardt, LPC-IT
• Sean Wesley Marquardt, PSY.D
• Michael Marquart, M.D.
• Pollyana Marques de Moura
• Marquette University
• Marquette University (Center for Psychological Services)
• Marquette University

• Trauma Surgery Physician in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Trauma Surgery Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.