Seth Losiewicz, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

01099592A Issued in IN

Practice address

5165 McCarty LN
Lafayette, IN 47905-8764

Phone

(765) 448-8000

Fax

(765) 838-4758

NPI assigned

Apr 4, 2023

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in KY

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

Specialty

Internal Medicine

Education

Other, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1680566400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1801591268",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 N SHADELAND AVE",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462194959"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5165 MCCARTY LN",
            "city": "LAFAYETTE",
            "state": "IN",
            "postal_code": "479058764",
            "telephone_number": "765-448-8000",
            "fax_number": "765-838-4758"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "900 S Limestone Ctw 304",
            "address_purpose": "LOCATION",
            "city": "Lexington",
            "state": "KY",
            "postal_code": "405360293",
            "country_code": "US",
            "telephone_number": "859-323-2834",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LOSIEWICZ",
        "first_name": "SETH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-04-04",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "01099592A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "slosiewicz@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "5165 McCarty Ln",
            "city": "Lafayette",
            "state": "IN",
            "country_code": "US",
            "postal_code": "479058764",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Ariel Long
• Dylan Jasper Long, MD
• Kelsey Lopez
• Maurice P. Lord II, D.D.S.
• Dawn A Lorton, NP
• Noelle C Lottes, RN FNP
• Judy Blanchard Loudon, CNS
• Michael K Louie, M.D.
• Sydney Lowe, RBT
• Lauren A. Lowrey, M.A., CCC-SLP

• Internal Medicine Physician in Lafayette, IN
• Providers in Lafayette, IN by specialty
• Internal Medicine Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.