LUDAG LLC
NPI 1871685461
Radiology - Radiation Oncology in Gary, IN
About Ludag Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LUDAG LLC (NPI 1871685461) is a healthcare organization registered as a radiation oncology in Gary, Indiana and active in the NPI registry since September 2006. The organization lists Robert T Woodburn Iii, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ludag Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Ludag LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ludag LLC's NPI number?
The NPI number for Ludag LLC is 1871685461. It was assigned to this organization in the NPPES registry on September 29, 2006.
Where is Ludag LLC located?
Ludag LLC is located at 600 Grant St, Gary, IN 46402. The listed phone number is (219) 739-5598.
What is Ludag LLC's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Ludag LLC enrolled in Medicare?
Yes. Ludag LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Ludag LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Radiation Oncology) reassigns their Medicare billing to Ludag LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Ludag LLC was last updated on January 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ludag Llc · NPI 1871685461
Radiation Oncology organization in Gary, Indiana. Organization record, active in the CMS NPPES registry since September 29, 2006.
## Identity
- **NPI:** 1871685461 (Entity type: Organization)
- **Enumerated:** September 29, 2006
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **Organization subpart:** No
- **Authorized official:** Robert Woodburn Iii, PRESIDENT
## Practice location
- **Address:** 600 GRANT ST, Gary, IN 46402-6001
- **Phone:** (219) 739-5598
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Radiation Oncology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 12, 2024
- **Other identifiers:** Other DA3166 (IN); Medicaid 100360170 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1871685461) · Data from the CMS NPPES public registry.