Individual provider Active NPI

Guy Robert Randolph, M.D.

  • Pediatric Cardiology Physician
  • Chicago, IL
National Provider Identifier
1982660635
Registry record updated Aug 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Cardiology PhysicianTaxonomy code 2080P0202X
License
036100179 Issued in IL
Practice address
2923 N California Ave Ste 230
Chicago, IL 60618-4677
Phone
(312) 951-5800
Fax
(312) 951-5816
NPI assigned
Apr 21, 2006
Sex
Male
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 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Cardiology Physician 2080P0202X 036100179 IL Primary

Addresses

Primary practice location

2923 N California Ave Ste 230
Chicago, IL 60618-4677

Mailing address

2923 N California Ave Ste 230
Chicago, IL 60618-4677
Phone (312) 951-5800

Other practice location 1

900 N Westmoreland Rd
Lake Forest, IL 60045-1674
Phone (800) 543-7362

Other practice location 2

225 E Chicago Ave
Chicago, IL 60611-2991
Phone (800) 543-7362

Other identifiers 1

IdentifierTypeStateIssuer
036100179MedicaidIL

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
I20040903000491 IL Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Pediatric Medicine 3678549375 Reassigns benefits to 2 organizations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Edward Hospital CurrentSince Jan 1, 2014 Accepting new patients
Lurie Children'S Medical Group Inc CurrentSince Apr 15, 2017 Accepting new patients
Edward Hospital CurrentSince Jan 1, 2014 Accepting new patients
Edward Cardiovascular Institute Past Accepting new patients

Locations

Claims Remittance
Carol Stream, IL 60122

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

2923 N California Ave
Ste 230
Chicago, IL 60618
Phone (312) 951-5800

737 N Michigan Ave
Ste 2040
Chicago, IL 60611

801 S Washington St
Naperville, IL 60540
Phone (312) 355-0450

6703 159th St
Ste 110
Tinley Park, IL 60477
Phone (708) 331-1122

Interoperability endpoints

  • FHIR API: https://fhirprd.edward.org/fhirprd/api/FHIR/R4/
  • Direct secure messaging: grandolph237878@direct.myadvocateaurora.org

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1145577600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785974400000",
    "number": "1982660635",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2923 N CALIFORNIA AVE STE 230",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606184677",
            "telephone_number": "312-951-5800",
            "fax_number": "312-951-5816"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2923 N CALIFORNIA AVE STE 230",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606184677",
            "telephone_number": "312-951-5800",
            "fax_number": "312-951-5816"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "900 N Westmoreland Rd",
            "address_purpose": "LOCATION",
            "city": "Lake Forest",
            "state": "IL",
            "postal_code": "600451674",
            "country_code": "US",
            "telephone_number": "800-543-7362",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "225 E Chicago Ave",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606112991",
            "country_code": "US",
            "telephone_number": "800-543-7362",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RANDOLPH",
        "first_name": "GUY",
        "middle_name": "ROBERT",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-21",
        "last_updated": "2026-08-06",
        "certification_date": "2026-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "IL",
            "license": "036100179",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036100179",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.