American Oncology Partners, P.a.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

Legal business name

AMERICAN ONCOLOGY PARTNERS, P.A.

Practice address

5340 Holy Cross Pkwy
Mishawaka, IN 46545-1470

Phone

(574) 237-1328

Fax

(574) 968-9442

NPI assigned

Oct 9, 2026

Last updated

Oct 9, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Ryan K Olson

Title

Owner/President

Phone

(239) 561-9622

Specialties & licenses 3

Addresses

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

{
    "created_epoch": "1791504000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1791504000000",
    "number": "1457256547",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 749495",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303749495",
            "telephone_number": "855-963-2100",
            "fax_number": "813-321-1296"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5340 HOLY CROSS PKWY",
            "city": "MISHAWAKA",
            "state": "IN",
            "postal_code": "465451470",
            "telephone_number": "574-237-1328",
            "fax_number": "574-968-9442"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "AMERICAN ONCOLOGY PARTNERS, P.A.",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-10-09",
        "last_updated": "2026-10-09",
        "certification_date": "2026-10-09",
        "status": "A",
        "authorized_official_last_name": "OLSON",
        "authorized_official_first_name": "RYAN",
        "authorized_official_middle_name": "K",
        "authorized_official_title_or_position": "OWNER/PRESIDENT",
        "authorized_official_telephone_number": "239-561-9622"
    },
    "taxonomies": [
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Hematology & Oncology Physician in Mishawaka, IN
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• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.