NPIMap

Individual provider Active NPI

Luis A Sosa Lozano, M.D

  • Diagnostic Radiology Physician
  • Hartford, WI
National Provider Identifier
1225269285
Registry record updated Sep 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
56949 Issued in WI
Practice address
1640 E Sumner St
Hartford, WI 53027-2684
Phone
(262) 670-4000
NPI assigned
Aug 6, 2009
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 12, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 56949 WI Primary

Addresses

Primary practice location

1640 E Sumner St
Hartford, WI 53027-2684

Mailing address

PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250

Other practice location 1

9200 W Wisconsin Ave
Dept of Radiology
Milwaukee, WI 53226-3522
Phone (414) 805-3120

Other identifiers 2

IdentifierTypeStateIssuer
1225269285MedicaidWI
100065655MedicaidWI

Other names 1

  • Luis Antonio Sosa Other name

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address lsosalozano427595@direct.myadvocateaurora.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20170419001458 WI Practitioner - Diagnostic Radiology 0446536809 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aurora Advanced Healthcare, Inc.Group PAC ID 3375625833, 1,107 clinicians
Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Practice addresses (Care Compare)

1640 E Sumner St
Hartford, WI 53027-2684
Phone (262) 670-4000

W231 N1440 Corporate Court
Waukesha, WI 53186-1303
Phone (262) 896-6070

Hospital & facility affiliations

  • Aurora Medical Center Sheboygan County Hospital, Sheboygan, WI, CCN 520035
  • Aurora Medical Center Kenosha Hospital, Kenosha, WI, CCN 520189
  • Aurora Medical Ctr Oshkosh Hospital, Oshkosh, WI, CCN 520198
  • Aurora Medical Center Bay Area Hospital, Marinette, WI, CCN 520113
  • Aurora Medical Ctr Washington County Hospital, Hartford, WI, CCN 520038

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
56949WIMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. CurrentSince May 16, 2025 Accepting new patients
The Medical College of Wisconsin, Inc. CurrentSince Jun 15, 2017 Accepting new patients
Aurora Advanced Healthcare, Inc. CurrentSince May 16, 2025 Accepting new patients
Froedtert &the Medical College of Wisconsin Community Physicians, Inc. CurrentSince Mar 18, 2017 Accepting new patients
Froedtert &the Medical College of Wisconsin Community Physicians, Inc. CurrentSince Mar 18, 2017 Accepting new patients
Aurora Medical Group, Inc. Diagnostic Radiology CurrentSince May 16, 2025 Accepting new patients
Lakeshore Medical Clinic, LLC CurrentSince May 16, 2025 Accepting new patients
Aurora Advanced Healthcare Inc CurrentSince May 16, 2025 Accepting new patients

Locations

1905 N Calhoun Rd
Brookfield, WI 53005
Phone (262) 333-0040

W168N11237 Western Ave
Germantown, WI 53022
Phone (262) 253-5060

3003 W Good Hope Rd
Glendale, WI 53209
Phone (414) 352-3100

1640 E Sumner St
Hartford, WI 53027
Phone (262) 670-4000

12203 N Corporate Pkwy
Mequon, WI 53092
Phone (262) 387-8200

1020 N 12th St
Milwaukee, WI 53233
Phone (414) 219-3056

S74W16775 Janesville Rd
Muskego, WI 53150
Phone (414) 422-4747

2000 E Layton Ave
St Francis, WI 53235
Phone (414) 744-7880

W231N1440 Corporate Ct
Waukesha, WI 53186
Phone (262) 896-6000

1155 N Mayfair Rd
Wauwatosa, WI 53226
Phone (414) 955-5990

8701 Watertown Plank Rd
Wauwatosa, WI 53226
Phone (414) 456-4100

9200 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 259-3000

Interoperability endpoints

  • Direct secure messaging: lsosalozano427595@direct.myadvocateaurora.org

Organizations & group practices 8

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 9

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1249516800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757635200000",
    "number": "1225269285",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1640 E SUMNER ST",
            "city": "HARTFORD",
            "state": "WI",
            "postal_code": "530272684",
            "telephone_number": "262-670-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9200 W Wisconsin Ave",
            "address_2": "Dept of Radiology",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532263522",
            "country_code": "US",
            "telephone_number": "414-805-3120",
            "fax_number": "414-259-9290",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SOSA LOZANO",
        "first_name": "LUIS",
        "middle_name": "A",
        "name_prefix": "Mr.",
        "credential": "M.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-08-06",
        "last_updated": "2025-09-12",
        "certification_date": "2025-09-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WI",
            "license": "56949",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1225269285",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100065655",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1640 E SUMNER ST",
            "city": "HARTFORD",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530272684",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "lsosalozano427595@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "1640 E SUMNER ST",
            "city": "HARTFORD",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530272684",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "LUIS",
            "last_name": "SOSA",
            "middle_name": "ANTONIO",
            "credential": "M.D.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Hartford, WI

Sources for this page

Verify at the official NPI Registry.