NPIMap

Individual provider Active NPI

Cory L Conniff, MD

  • Rheumatology Physician
  • Orland Park, IL
National Provider Identifier
1376539726
Registry record updated Nov 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
036-107529 Issued in IL
Practice address
11540 183Rd PL # NE-NW
Orland Park, IL 60467-9496
Phone
(630) 339-5300
Fax
(630) 339-5305
NPI assigned
Sep 21, 2005
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 4, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology Physician 207RR0500X 036-107529 IL Primary

Addresses

Primary practice location

11540 183Rd PL # NE-NW
Orland Park, IL 60467-9496

Mailing address

80 W Hillcrest Blvd Ste 208
Schaumburg, IL 60195-3111
Phone (630) 339-5300

Other identifiers 1

IdentifierTypeStateIssuer
036-107-529MedicaidIL

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040501000340 IL Practitioner - RheumatologyPractitioner - Internal Medicine 2860480647 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
RheumatologyAlso: Internal Medicine
Education
Other, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Greater Chicago Specialty Physicians LLCGroup PAC ID 6002087590, 8 clinicians
Insight Chicago IncGroup PAC ID 2860894706, 140 clinicians

Practice addresses (Care Compare)

1 S450 Summit Ave
Suite 390
Oakbrook Terrace, IL 60181-3976
Phone (630) 339-5300

1945 W Wilson Ave
Suite 100
Chicago, IL 60640-7927
Phone (630) 339-5300

2525 S Michigan Ave
Chicago, IL 60616-2315
Phone (708) 382-1498

80 W Hillcrest Blvd
Suite 208
Schaumburg, IL 60195-3111
Phone 6303395300200

Hospital & facility affiliations

  • Palos Community Hospital Hospital, Palos Heights, IL, CCN 140062
  • Silver Cross Hospital and Medical Centers Hospital, New Lenox, IL, CCN 140213
  • Northwestern Medicine Central Dupage Hospital Hospital, Winfield, IL, CCN 140242
  • Advocate Christ Hospital & Medical Center Hospital, Oak Lawn, IL, CCN 140208
  • Uchicago Medicine Adventhealth Hinsdale Hospital, Hinsdale, IL, CCN 140122

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036-107529ILMDRheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Integrative Pain Medicine SC Rheumatology Current Accepting new patients
Insight Chicago, Inc. CurrentSince Sep 12, 2025 Accepting new patients
Greater Chicago Specialty Physicians LLC Rheumatology CurrentSince Aug 20, 2011 Accepting new patients
Insight Chicago, Inc. CurrentSince Sep 12, 2025 Accepting new patients

Locations

1945 W Wilson Ave
Ste 100
Chicago, IL 60640
Phone (561) 342-8829

2525 S Michigan Ave
Chicago, IL 60616
Phone (312) 355-1153

1S450 Summit Ave
Ste 390
Oakbrook Terrace, IL 60181
Phone (630) 339-5300

11540 183rd Pl
Orland Park, IL 60467
Phone (630) 339-5300

11540 183rd Pl
Ste Nw
Orland Park, IL 60467

80 W Hillcrest Blvd
Ste 208
Schaumburg, IL 60195
Phone (630) 339-5300

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/DFEICA/Endpoint/DFEICA
  • FHIR API: https://fhir4.healow.com/fhir/r4/GACCAA

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 10

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1127260800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762214400000",
    "number": "1376539726",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "80 W HILLCREST BLVD STE 208",
            "city": "SCHAUMBURG",
            "state": "IL",
            "postal_code": "601953111",
            "telephone_number": "630-339-5300",
            "fax_number": "630-339-5305"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11540 183RD PL # NE-NW",
            "city": "ORLAND PARK",
            "state": "IL",
            "postal_code": "604679496",
            "telephone_number": "630-339-5300",
            "fax_number": "630-339-5305"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CONNIFF",
        "first_name": "CORY",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-09-21",
        "last_updated": "2025-11-04",
        "certification_date": "2025-11-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "IL",
            "license": "036-107529",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036-107-529",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Orland Park, IL

Sources for this page

Verify at the official NPI Registry.