RADIATION ONCOLOGY CONSULTANTS, LTD – Radiation Oncology Physician, NPI 1164412417

RADIATION ONCOLOGY CONSULTANTS, LTD is a healthcare provider. based in Oak brook, Illinois. specializing in Radiation Oncology Physician. The organization holds a License No. 042000055 (IL). The NPI Number for RADIATION ONCOLOGY CONSULTANTS, LTD is 1164412417

Main info

Organization
Name
RADIATION ONCOLOGY CONSULTANTS, LTD
NPI
1164412417
Phone
(847) 698-0600
Address
700 COMMERCE DR
Authorized Official
DR. WILLIAM F HARTSELL PRESIDENT M.D.
Enumeration Date
27 October 2005
Last Update Date
29 March 2017
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for RADIATION ONCOLOGY CONSULTANTS, LTD

  • 700, Commerce Drive, Oak Brook, DuPage County, Illinois, 60523, United States

    SUITE 500

    OAK BROOK, IL 605231546

    Phone: (847) 698-0600

    Fax: (847) 698-0601

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-03-09

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Past revalidation due date

Earliest CMS due date was 2024-07-31 (677 days ago).

Enrollment records

1

Earliest due date

2024-07-31

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
O20040309000496OClinic/Group PracticeIL2024-07-31

What to do next

  • Verify current status on the CMS Revalidation Lookup Tool immediately.
  • Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
  • Overdue revalidation can lead to deactivation of Medicare billing privileges.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60523)

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Reviews

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Frequently asked questions

How do payers reference RADIATION ONCOLOGY CONSULTANTS, LTD?
For RADIATION ONCOLOGY CONSULTANTS, LTD, use NPI 1164412417 as the unique 10-digit identifier.
Is RADIATION ONCOLOGY CONSULTANTS, LTD still an active registrant?
RADIATION ONCOLOGY CONSULTANTS, LTD carries an active NPI according to the public dataset.
How would a patient describe RADIATION ONCOLOGY CONSULTANTS, LTD's focus?
For RADIATION ONCOLOGY CONSULTANTS, LTD, the primary taxonomy reads as Radiation Oncology Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with RADIATION ONCOLOGY CONSULTANTS, LTD?
Directory geography for RADIATION ONCOLOGY CONSULTANTS, LTD centers on Oak Brook, Illinois.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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