William Royster, MD, PHD

Primary specialty

Surgical Oncology PhysicianTaxonomy code 2086X0206X

License

036178261 Issued in IL

Practice address

1875 Dempster St Ste 465
Park Ridge, IL 60068-1129

Phone

(847) 318-9071

NPI assigned

Apr 29, 2016

Sex

Male

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.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

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

{
    "created_epoch": "1461888000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1093160855",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1875 DEMPSTER ST STE 465",
            "city": "PARK RIDGE",
            "state": "IL",
            "postal_code": "600681129"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1875 DEMPSTER ST STE 465",
            "city": "PARK RIDGE",
            "state": "IL",
            "postal_code": "600681129",
            "telephone_number": "847-318-9071"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROYSTER",
        "first_name": "WILLIAM",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-29",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "IL",
            "license": "036178261",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Amy N Roth, LCSW
• Roundys Supermarkets Inc
• Stasia Rouse, M.D.
• Abigail Rowley, LCSW
• Derek Roydavis, PA-C
• Jacob Rozynek
• Brian N Rubenstein, MD
• Ellen Rubin, APN
• Gabrielle Rubin, DO
• Lauren Rubino, DMD

• Surgical Oncology Physician in Park Ridge, IL
• Providers in Park Ridge, IL by specialty
• Surgical Oncology Physician in Illinois

• 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.