Individual provider Active NPI

Mindy L. Simpson, M.D.

  • Pediatric Hematology & Oncology Physician
  • Chicago, IL
National Provider Identifier
1164477246
Registry record updated Aug 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Hematology & Oncology PhysicianTaxonomy code 2080P0207X
License
036-114998 Issued in IL
Practice address
1653 W Congress Pkwy
1591 Jelke
Chicago, IL 60612-3833
Phone
(312) 942-8114
Fax
(312) 942-8975
NPI assigned
May 24, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 6, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Hematology & Oncology Physician 2080P0207X 036-114998 IL Primary
Pediatrics Physician 208000000X 036-114998 IL

Addresses

Primary practice location

1653 W Congress Pkwy
1591 Jelke
Chicago, IL 60612-3833

Mailing address

1653 W Congress Pkwy
Chicago, IL 60612-3833
Phone (312) 942-8114

Other practice location 1

1620 W Harrison St
Chicago, IL 60612-3801
Phone (312) 942-3034

Other practice location 2

1800 McDonough Rd
Hoffman Estates, IL 60192-4566
Phone (312) 942-3034

Other practice location 3

1725 W Harrison St
Chicago, IL 60612-3841
Phone (312) 942-3034 ext. 23034

Other identifiers 1

IdentifierTypeStateIssuer
036114998MedicaidIL

Other names 1

  • Mindy L. Grunzke Former name

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20070514000270 IL Practitioner - Pediatric Medicine 1850498619 Reassigns benefits to 3 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
45736COMDPediatrics Physician
036-114998ILMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Lurie Children'S Medical Group Inc Pediatrics CurrentSince Apr 1, 2022 Accepting new patients
The Board of Trustees of the University of Illinois CurrentSince Mar 1, 2019 Accepting new patients
Rush University Medical Group Pediatrics CurrentSince Oct 1, 2020 Accepting new patients
Rush University Medical Center CurrentSince Oct 1, 2020 Accepting new patients
The Board of Trustees of the University of Illinois Pediatrics CurrentSince Mar 1, 2019 Accepting new patients
The Board of Trustees of the University of Illinois Current Accepting new patients
Frances Mahon Deaconess Hospital Past Accepting new patients
Lurie Children'S Medical Group, LLC Pediatrics Past Accepting new patients

Locations

2040 Ogden Ave
Ste 303
Aurora, IL 60504
Phone (312) 563-2030

Claims Remittance
Carol Stream, IL 60122

1700 W Van Buren St
#500
Chicago, IL 60612
Phone (312) 563-2875

7732 Solution Ctr
Chicago, IL 60677
Phone (312) 355-6290

225 E Chicago Ave
#118
Chicago, IL 60611

7732 Solution Ctr
Dept 3445 PEDS
Chicago, IL 60677

840 S Wood St
#856
Chicago, IL 60612
Phone (312) 413-1429

225 E Chicago Ave
Chicago, IL 60611
Phone (312) 227-6415

1653 W Congress Pkwy
Chicago, IL 60612
Phone (312) 942-3138

1653 W Congress Pkwy
#1591
Chicago, IL 60612
Phone (312) 942-8114

75 Remittance Dr
Dept 1611
Chicago, IL 60675

1653 W Congress Pkwy
#622
Chicago, IL 60612
Phone (312) 942-5068

2100 Pfingsten Rd
Glenview, IL 60026
Phone (847) 657-5800

Interoperability endpoints

  • Direct secure messaging: msimpson17439@direct.rush.rush-health.com

Organizations & group practices 8

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.

NPI Registry JSON

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

{
    "created_epoch": "1148428800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785974400000",
    "number": "1164477246",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1653 W CONGRESS PKWY",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123833",
            "telephone_number": "312-942-8114",
            "fax_number": "312-942-8975"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1653 W CONGRESS PKWY",
            "address_2": "1591 JELKE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123833",
            "telephone_number": "312-942-8114",
            "fax_number": "312-942-8975"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1620 W Harrison St",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606123801",
            "country_code": "US",
            "telephone_number": "312-942-3034",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1800 McDonough Rd",
            "address_purpose": "LOCATION",
            "city": "Hoffman Estates",
            "state": "IL",
            "postal_code": "601924566",
            "country_code": "US",
            "telephone_number": "312-942-3034",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1725 W Harrison St",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606123841",
            "country_code": "US",
            "telephone_number": "312-942-3034 x23034",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIMPSON",
        "first_name": "MINDY",
        "middle_name": "L.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-24",
        "last_updated": "2026-08-06",
        "certification_date": "2026-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "IL",
            "license": "036-114998",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IL",
            "license": "036-114998",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036114998",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MINDY",
            "last_name": "GRUNZKE",
            "middle_name": "L.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.