NPIMap

Organization Active NPI

American Oncology Partners, P.a.

  • Hematology & Oncology Physician
  • League City, TX
National Provider Identifier
1013837442
Registry record updated Jul 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
Legal business name
AMERICAN ONCOLOGY PARTNERS, P.A.
Practice address
2555 Gulf Fwy S Ste 700
League City, TX 77573-6742
Phone
(832) 827-8002
Fax
(832) 827-8003
NPI assigned
Jul 16, 2026
Last updated
Jul 16, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 16, 2026

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

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology (Internal Medicine) Physician 207RH0000X NU
Hematology & Oncology Physician 207RH0003X NU Primary
Medical Oncology Physician 207RX0202X NU

Addresses

Primary practice location

2555 Gulf Fwy S Ste 700
League City, TX 77573-6742

Mailing address

PO Box 749495
Atlanta, GA 30374-9495
Phone (855) 963-2100

National Provider Directory

National Provider Directory
Tax ID family
American Oncology Partners PA157 organizations share this tax ID, including this one

Organizations with this tax ID in the same state 12

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

NPI Registry JSON

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

{
    "created_epoch": "1784160000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1784160000000",
    "number": "1013837442",
    "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": "2555 GULF FWY S STE 700",
            "city": "LEAGUE CITY",
            "state": "TX",
            "postal_code": "775736742",
            "telephone_number": "832-827-8002",
            "fax_number": "832-827-8003"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "AMERICAN ONCOLOGY PARTNERS, P.A.",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-07-16",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "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": []
}

Other providers in League City, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 2026; 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.