American Oncology Partners, P.a.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

Legal business name

AMERICAN ONCOLOGY PARTNERS, P.A.

Practice address

1555 N Barrington Rd Ste 3350
BLDG 3
Hoffman Estates, IL 60169-1023

Phone

(847) 855-0909

Fax

(847) 488-9596

NPI assigned

Dec 23, 2025

Last updated

Dec 23, 2025By 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

Dr. Ryan K Olson, MD

Title

Owner/President

Phone

(239) 561-9622

Specialties & licenses 3

Addresses

Tax ID family

American Oncology Partners PA157 organizations share this tax ID, including this one

Organizations with this tax ID in the same state 2

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

• American Oncology Partners, P.a.

  • Hematology & Oncology Physician
  • Elgin, IL
  • NPI 1275498198
  NPD tax ID
• American Oncology Partners, P.a.

  • Hematology & Oncology Physician
  • Crystal Lake, IL
  • NPI 1720943640
  NPD tax ID

Locations

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

{
    "created_epoch": "1766448000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1766448000000",
    "number": "1902761828",
    "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": "1555 N BARRINGTON RD STE 3350",
            "address_2": "BLDG 3",
            "city": "HOFFMAN ESTATES",
            "state": "IL",
            "postal_code": "601691023",
            "telephone_number": "847-855-0909",
            "fax_number": "847-488-9596"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "AMERICAN ONCOLOGY PARTNERS, P.A.",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-12-23",
        "last_updated": "2025-12-23",
        "certification_date": "2025-12-23",
        "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",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "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 Hoffman Estates, IL
• Providers in Hoffman Estates, IL by specialty
• Hematology & Oncology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 23, 2025; 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.