American Oncology Partners, P.a.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

Legal business name

AMERICAN ONCOLOGY PARTNERS, P.A.

Doing business as

Hematology Oncology Clinic

Practice address

4242 Highway 19
Building 3, Suite B
Zachary, LA 70791-3981

Phone

(225) 306-7260

Fax

(225) 654-0717

NPI assigned

Jul 16, 2025

Last updated

Jul 16, 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

Other names 1

• Hematology Oncology Clinic Doing business as

Tax ID family

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

Organizations with this tax ID in the same state 3

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.

  dba Hematology Oncology Clinic

  • Hematology & Oncology Physician
  • Alexandria, LA
  • NPI 1083445860
  NPD tax ID
• American Oncology Partners, P.a.

  dba Hematology Oncology Clinic

  • Hematology & Oncology Physician
  • Saint Francisville, LA
  • NPI 1164305363
  NPD tax ID
• American Oncology Partners, P.a.

  dba Hematology Oncology Clinic

  • Hematology & Oncology Physician
  • Zachary, LA
  • NPI 1659867265
  NPD tax ID

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

{
    "created_epoch": "1752624000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1752624000000",
    "number": "1114819083",
    "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": "4242 HIGHWAY 19",
            "address_2": "BUILDING 3, SUITE B",
            "city": "ZACHARY",
            "state": "LA",
            "postal_code": "707913981",
            "telephone_number": "225-306-7260",
            "fax_number": "225-654-0717"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "AMERICAN ONCOLOGY PARTNERS, P.A.",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-07-16",
        "last_updated": "2025-07-16",
        "certification_date": "2025-07-16",
        "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": "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
        },
        {
            "code": "207ZH0000X",
            "taxonomy_group": "",
            "desc": "Pathology, Hematology",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Hematology Oncology Clinic",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Jason P Allemond, OD
• Sigrid Allenstein, PT
• Jameson Levon William Alston, PT
• Alvin C Moreau Jr Licensed Physical Therapist DTD 01 15 82 (Moreau Physical Therapy)
• Michael Kemp Amacker, MD
• American Oncology Partners, P.a. (Hematology Oncology Clinic)
• Sarah Capps Anders, PHARMD
• Amber Anderson, DPT
• Brandi Anderson
• Geraldlynn Anderson

• Hematology & Oncology Physician in Zachary, LA
• Providers in Zachary, LA by specialty
• Hematology & Oncology Physician in Louisiana

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