NPIMap

Organization Active NPI

Illinois Cancer Specialists

  • Hematology & Oncology Physician
  • Elgin, IL
National Provider Identifier
1255328464
Registry record updated Dec 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
Legal business name
ILLINOIS CANCER SPECIALISTS
Practice address
1710 N Randall Rd
Ste 300
Elgin, IL 60123-9400
Phone
(847) 931-0909
Fax
(847) 931-0939
NPI assigned
Oct 3, 2005
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Dec 8, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Dr. David HakimianNPI 1972590347
Title
Practice President
Phone
(847) 827-9060

Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207RH0003X Primary

Addresses

Primary practice location

1710 N Randall Rd
Ste 300
Elgin, IL 60123-9400

Mailing address

PO Box 25070
Chicago, IL 60673-1250
Phone (847) 585-7000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20140327001925 IL DME Supplier - Physician - Hematology/Oncology 5597665752 Practice locations: Elgin, IL

Other NPIs with the same Medicare PAC ID 3

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
14D0415409Illinois Cancer Specialists1710 N Randall Rd, Suite 300, Elgin, IL 60123AccreditationDec 22, 2027

National Provider Directory

National Provider Directory
Tax ID family
Fox Valley Hematology Inc6 organizations share this tax ID, including this one

Other organizations with this tax ID 5

Organizations that report the same tax identification number in the National Provider Directory.

Practitioners & affiliated clinicians

Practitioners 7

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1128297600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1765152000000",
    "number": "1255328464",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 25070",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731250",
            "telephone_number": "847-585-7000",
            "fax_number": "847-640-0622"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1710 N RANDALL RD",
            "address_2": "STE 300",
            "city": "ELGIN",
            "state": "IL",
            "postal_code": "601239400",
            "telephone_number": "847-931-0909",
            "fax_number": "847-931-0939"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ILLINOIS CANCER SPECIALISTS",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-10-03",
        "last_updated": "2025-12-08",
        "certification_date": "2025-12-08",
        "status": "A",
        "authorized_official_last_name": "HAKIMIAN",
        "authorized_official_first_name": "DAVID",
        "authorized_official_title_or_position": "PRACTICE PRESIDENT",
        "authorized_official_telephone_number": "847-827-9060",
        "authorized_official_name_prefix": "Dr."
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Elgin, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 8, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.