Ludag LLC
NPI 1336195353 · Radiation Oncology Physician · Merrillville, IN
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ludag LLC is a Radiation Oncology Physician organization in Merrillville, IN (NPI 1336195353).
Provider details
- NPI number
- 1336195353
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Robert Woodburn, Owner(219) 763-2246
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 100 Provena WayBourbonnais, IL 60914-4796Phone: (773) 564-5070
Registry dates
- Enumerated
- 2006-05-25
- Last updated
- 2025-01-14
- Certified
- 2025-01-14
Frequently asked questions
- What is Ludag LLC's NPI number?
- Ludag LLC's National Provider Identifier (NPI) is 1336195353, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ludag LLC?
- Ludag LLC is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ludag LLC located?
- Ludag LLC's practice location on file with NPPES is 8701 Broadway, Merrillville, IN 46410-7035.
- What is Ludag LLC's phone number?
- The practice phone number listed in the NPPES registry for Ludag LLC is (574) 271-2558.
- Does Ludag LLC accept Medicare?
- Ludag LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Ludag LLC?
- The authorized official listed on Ludag LLC's NPPES record is Robert Woodburn, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ludag LLC's NPI active?
- Yes — Ludag LLC's NPI (1336195353) is active in the NPPES registry as of the last update on 2025-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.