NPIMap

Individual provider Active NPI

Grady M. Wick, M.D.

  • Nephrology Physician
  • Elk Grove Village, IL
National Provider Identifier
1659575108
Registry record updated Apr 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
036115166 Issued in IL
Practice address
901 Biesterfield Rd
Suite 310
Elk Grove Village, IL 60007-3392
Phone
(847) 952-9332
Fax
(847) 952-9338
NPI assigned
Jun 11, 2007
Last updated
Apr 29, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 29, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X 036115166 IL Primary

Addresses

Primary practice location

901 Biesterfield Rd
Suite 310
Elk Grove Village, IL 60007-3392

Mailing address

120 W 22ND St Ste 300
Nephrology Associates of Northern Illinois
Oak Brook, IL 60523-4071
Phone (630) 573-5000

Other practice location 1

1555 N Barrington Rd
Hoffman Estates, IL 60169-1019
Phone (847) 952-9332

Other identifiers 1

IdentifierTypeStateIssuer
036115166MedicaidIL

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address credentialing@nephdocs.com Direct

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
I20080701000287 IL Practitioner - Nephrology 3971675232 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
Michigan State University College of Human Medicine, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Nani Elk GroveGroup PAC ID 8123266376, 18 clinicians

Practice addresses (Care Compare)

1555 Barrington Rd
Suite 3400
Hoffman Estates, IL 60169-1023
Phone (847) 952-9332

1555 N Barrington Rd
Suite 3400
Hoffman Estates, IL 60169-1023
Phone (847) 952-9332

800 Biesterfield Rd
Elk Grove Village, IL 60007-3372
Phone (847) 981-3680

901 Biesterfield Rd
Suite 310
Elk Grove Village, IL 60007-7324
Phone (847) 952-9332

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036115166ILMDNephrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Nephrology Associates of Northern Illinois, LTD. Nephrology CurrentSince Jun 1, 2008 Accepting new patients
Nephrology Associates of Northern Illinois, LTD. Nephrology CurrentSince Jun 1, 2008 Accepting new patients
Nani Elk Grove Nephrology CurrentSince Nov 1, 2012 Accepting new patients
Nani Lab LLC PastSince Mar 11, 2025 Accepting new patients

Locations

3223 W 63rd St
Chicago, IL 60629
Phone (773) 735-4884

800 Biesterfield Rd
Ste 104
Elk Grove Village, IL 60007
Phone (847) 593-9182

901 Biesterfield Rd
Ste 310
Elk Grove Vlg, IL 60007
Phone (847) 437-7070

1555 N Barrington Rd
Hoffman Estates, IL 60169
Phone (847) 490-2923

120 Spalding Dr
Ste 410
Naperville, IL 60540
Phone (630) 369-0780

120 W 22nd St
Oak Brook, IL 60523

120 W 22nd St
Ste 200
Oak Brook, IL 60523
Phone (630) 575-5000

120 W 22nd St
Ste 300
Oak Brook, IL 60523
Phone (630) 974-5000

Interoperability endpoints

  • Direct secure messaging: gwick49695@direct.acumenmd.com
  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

Organizations & group practices 4

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

Hospital & facility affiliations 9

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": "1181520000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745884800000",
    "number": "1659575108",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "120 W 22ND ST STE 300",
            "address_2": "NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS",
            "city": "OAK BROOK",
            "state": "IL",
            "postal_code": "605234071",
            "telephone_number": "630-573-5000",
            "fax_number": "630-368-0331"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "901 BIESTERFIELD RD",
            "address_2": "SUITE 310",
            "city": "ELK GROVE VILLAGE",
            "state": "IL",
            "postal_code": "600073392",
            "telephone_number": "847-952-9332",
            "fax_number": "847-952-9338"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1555 N Barrington Rd",
            "address_purpose": "LOCATION",
            "city": "Hoffman Estates",
            "state": "IL",
            "postal_code": "601691019",
            "country_code": "US",
            "telephone_number": "847-952-9332",
            "fax_number": "847-952-9338",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WICK",
        "first_name": "GRADY",
        "middle_name": "M.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-06-11",
        "last_updated": "2025-04-29",
        "certification_date": "2025-04-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "IL",
            "license": "036115166",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036115166",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "credentialing@nephdocs.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "120 W 22nd St Ste 200",
            "city": "Oak Brook",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605231563",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Elk Grove Village, IL

Sources for this page

Verify at the official NPI Registry.