Radiation Oncology Consultants, Ltd
NPI 1164412417 · Radiation Oncology Physician · Oak Brook, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Radiation Oncology Consultants, Ltd is a Radiation Oncology Physician organization in Oak Brook, IL (NPI 1164412417).
Provider details
- NPI number
- 1164412417
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Hartsell, President(847) 698-0600
- License
- 042000055 (IL)
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
1 documented practice location
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
Registry dates
- Enumerated
- 2005-10-27
- Last updated
- 2017-03-29
Frequently asked questions
- What is Radiation Oncology Consultants, Ltd's NPI number?
- Radiation Oncology Consultants, Ltd's National Provider Identifier (NPI) is 1164412417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Radiation Oncology Consultants, Ltd?
- Radiation Oncology Consultants, Ltd is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Radiation Oncology Consultants, Ltd located?
- Radiation Oncology Consultants, Ltd's practice location on file with NPPES is 700 Commerce Dr, Oak Brook, IL 60523-1546.
- What is Radiation Oncology Consultants, Ltd's phone number?
- The practice phone number listed in the NPPES registry for Radiation Oncology Consultants, Ltd is (847) 698-0600.
- Does Radiation Oncology Consultants, Ltd accept Medicare?
- Radiation Oncology Consultants, Ltd 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 Radiation Oncology Consultants, Ltd?
- The authorized official listed on Radiation Oncology Consultants, Ltd's NPPES record is William Hartsell, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Radiation Oncology Consultants, Ltd's NPI active?
- Yes — Radiation Oncology Consultants, Ltd's NPI (1164412417) is active in the NPPES registry as of the last update on 2017-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.