Casey L Hollawell, MD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

MD489986 Issued in PA

Practice address

701 East Marshall Street
West Chester, PA 19380-4412

Phone

(610) 431-5530

Fax

(610) 431-5144

NPI assigned

May 6, 2021

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Specialty

Radiation Oncology

Education

Other, 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1620259200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1689258626",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "701 EAST MARSHALL STREET",
            "city": "WEST CHESTER",
            "state": "PA",
            "postal_code": "193804412",
            "telephone_number": "610-431-5530",
            "fax_number": "610-431-5144"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "701 EAST MARSHALL STREET",
            "city": "WEST CHESTER",
            "state": "PA",
            "postal_code": "193804412",
            "telephone_number": "610-431-5530",
            "fax_number": "610-431-5144"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLLAWELL",
        "first_name": "CASEY",
        "middle_name": "L",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-05-06",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "PA",
            "license": "MD489986",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Heather Hoffmaster
• Lorraine Hoffner
• Mark Hohenwarter, RPH
• Holcomb Behavioral Health Systems
• Elizabeth Holden
• Mary Katherine Hollinger-Yurick, MD
• Ava Holloway
• Karen Anne Holman, DPT
• Peyton Marie Holowsko, CRNP
• Kimberly Owsley Holt

• Radiation Oncology Physician in West Chester, PA
• Providers in West Chester, PA by specialty
• Radiation Oncology Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 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.