NPIMap

Organization Active NPI

Ludag LLC

  • Radiation Oncology Physician
  • Merrillville, IN
National Provider Identifier
1336195353
Registry record updated Jan 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
Legal business name
LUDAG LLC
Practice address
8701 Broadway
Merrillville, IN 46410-7035
Phone
(574) 271-2558
Fax
(574) 273-1137
NPI assigned
May 25, 2006
Last updated
Jan 14, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 14, 2025

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

Authorized official

Name
Robert T Woodburn, MDNPI 1407848849
Title
Owner
Phone
(219) 763-2246

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X NU Primary

Addresses

Primary practice location

8701 Broadway
Merrillville, IN 46410-7035

Mailing address

8701 Broadway
Merrillville, IN 46410-7035

Other practice location 1

100 Provena Way
Bourbonnais, IL 60914-4796
Phone (773) 564-5070

Other identifiers 2

IdentifierTypeStateIssuer
200397270AMedicaidIN
200397270BMedicaidIN

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN, IL2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20050912000405 IN Part B Supplier - Clinic/Group Practice 3779516703 Receives reassigned benefits from 1 practitioner
1 other NPI on this enrollment
Practice locations: Gary, IN; Merrillville, IN
O20061026000173 IL Part B Supplier - Clinic/Group Practice 3779516703 Receives reassigned benefits from 4 practitioners
Practice locations: Bourbonnais, IL; Chicago, IL; Kankakee, IL; Peru, IL

Other NPIs on the same Medicare enrollment 1

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

National Provider Directory

National Provider Directory
Tax ID family
Ludag LLC Dba Cancer Treatment Group6 organizations share this tax ID, including this one

Other organizations with this tax ID 5

Organizations that report the same tax identification number in the National Provider Directory.

Practitioners & affiliated clinicians

Practitioners 8

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1148515200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1736812800000",
    "number": "1336195353",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8701 BROADWAY",
            "city": "MERRILLVILLE",
            "state": "IN",
            "postal_code": "464107035"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8701 BROADWAY",
            "city": "MERRILLVILLE",
            "state": "IN",
            "postal_code": "464107035",
            "telephone_number": "574-271-2558",
            "fax_number": "574-273-1137"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "100 Provena Way",
            "address_purpose": "LOCATION",
            "city": "Bourbonnais",
            "state": "IL",
            "postal_code": "609144796",
            "country_code": "US",
            "telephone_number": "773-564-5070",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "LUDAG LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-05-25",
        "last_updated": "2025-01-14",
        "certification_date": "2025-01-14",
        "status": "A",
        "authorized_official_last_name": "WOODBURN",
        "authorized_official_first_name": "ROBERT",
        "authorized_official_middle_name": "T",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "219-763-2246",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200397270A",
            "state": "IN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200397270B",
            "state": "IN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Merrillville, IN

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 2025; 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.