ILLINOIS CANCER SPECIALISTS – Hematology & Oncology Physician, NPI 1255328464

ILLINOIS CANCER SPECIALISTS is a healthcare provider. based in Chicago, Illinois. specializing in Hematology & Oncology Physician. The NPI Number for ILLINOIS CANCER SPECIALISTS is 1255328464

Main info

Organization
Name
ILLINOIS CANCER SPECIALISTS
NPI
1255328464
Phone
(847) 585-7000
Address
PO BOX 25070
Authorized Official
DR. DAVID HAKIMIAN PRACTICE PRESIDENT
Enumeration Date
3 October 2005
Last Update Date
8 December 2025
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience55
Completeness85
Years active:20State licenses:0Digital endpointsOther names

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Provider Addresses for ILLINOIS CANCER SPECIALISTS

  • PO BOX 25070

    CHICAGO, IL 606731250

    Phone: (847) 585-7000

    Fax: (847) 640-0622

    Type: Mailing

  • North Randall Road, Oaks Club, Elgin, Elgin Township, Kane County, Illinois, 60123, United States

    STE 300

    ELGIN, IL 601239400

    Phone: (847) 931-0909

    Fax: (847) 931-0939

    Type: Location

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: 2014-03-27

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

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
O20140327001925OPhysician - Hematology/OncologyILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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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 60673)

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Reviews

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Frequently asked questions

What is the standard ID for ILLINOIS CANCER SPECIALISTS in the U.S.?
In the U.S., ILLINOIS CANCER SPECIALISTS is identified by NPI 1255328464.
Is ILLINOIS CANCER SPECIALISTS's NPI status active today?
Active status means ILLINOIS CANCER SPECIALISTS's NPI record is not deactivated in the public file.
What does the directory say ILLINOIS CANCER SPECIALISTS does?
Insurance directories may phrase it differently, but here ILLINOIS CANCER SPECIALISTS maps to Hematology & Oncology Physician. Clinical services aligned with this taxonomy classification.
Is ILLINOIS CANCER SPECIALISTS tied to Chicago, Illinois?
If you are local to Chicago, Illinois, ILLINOIS CANCER SPECIALISTS may be relevant to your search.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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