Fox Valley Radiation Oncology LLC

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

036092813 Issued in IL

Legal business name

FOX VALLEY RADIATION ONCOLOGY LLC

Practice address

120 Spalding Dr
Suite 111
Naperville, IL 60540-6508

Phone

(630) 646-2273

Fax

(630) 646-6165

NPI assigned

Dec 18, 2006

Organization subpart

No

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

Authorized official

Name

Oh-Hoon Kwon, MDNPI 1215981956

Title

Managing Partner

Phone

(312) 498-4263

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IL

Enrollment records 1

Practitioners 5

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Oh Hoon Kwon, MD

  • Radiation Oncology Physician
  • Franklin, WI
  • NPI 1215981956

  IL

  Medicare reassignment Care Compare group NPD Authorized official
• Neil A Das Gupta, M.D.

  • Radiation Oncology Physician
  • Naperville, IL
  • NPI 1316974363
  Medicare reassignment Care Compare group NPD
• Katarina Georgia Petras

  • Internal Medicine Physician
  • Maywood, IL
  • NPI 1043638570
  Medicare reassignment Care Compare group NPD
• Andy Wei-Hao Su, MD

  • Radiation Oncology Physician
  • Elmhurst, IL
  • NPI 1699897306
  Medicare reassignment Care Compare group NPD
• Anne R McCall, MD

  • Radiation Oncology Physician
  • Chicago, IL
  • NPI 1275568453
  NPD (past)

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

{
    "created_epoch": "1166400000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1784851200000",
    "number": "1720141047",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "115 E OGDEN AVE",
            "address_2": "SUITE 105",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "60563",
            "telephone_number": "312-498-4263",
            "fax_number": "630-646-6165"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "120 SPALDING DR",
            "address_2": "SUITE 111",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605406508",
            "telephone_number": "630-646-2273",
            "fax_number": "630-646-6165"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "FOX VALLEY RADIATION ONCOLOGY LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-12-18",
        "last_updated": "2026-07-24",
        "certification_date": "2026-07-24",
        "status": "A",
        "authorized_official_last_name": "KWON",
        "authorized_official_first_name": "OH-HOON",
        "authorized_official_title_or_position": "MANAGING PARTNER",
        "authorized_official_telephone_number": "312-498-4263",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Radiology, Radiation Oncology",
            "state": "IL",
            "license": "036092813",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "2233109",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Fox Valley Foot Specialists,LTD
• Fox Valley Imaging Center, Inc.
• Fox Valley Institute for Growth and Wellness Inc
• Fox Valley Laser Center
• Fox Valley Physical Therapy and Rehab Specialists
• Dana Marie Fox
• Kathryn Fox, LICSW
• Joshua Foxson, D.D.S.
• Joyce Yvette Foy, LMT
• Mark Randall Frahm, D.C.

• Radiation Oncology Physician in Naperville, IL
• Providers in Naperville, IL by specialty
• Radiation Oncology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.