Active NPI
Guy Robert Randolph, M.D.
- Pediatric Cardiology Physician
- Chicago, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Cardiology Physician
- License
- 036100179
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 036100179 | Medicaid | IL |
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
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Edward Hospital | Current | Accepting new patients | |
| Lurie Children'S Medical Group Inc | Current | Accepting new patients | |
| Edward Hospital | Current | 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
- https://fhirprd.edward.org/fhirprd/api/FHIR/R4/
- 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.
-
- General Acute Care Hospital
- Naperville, IL
- NPI 1013969013
-
- Pediatrics Physician
- Chicago, IL
- NPI 1518064716
-
- Home Health Agency
- Naperville, IL
- NPI 1912930645
-
- Cardiovascular Disease Physician
- Naperville, IL
- NPI 1649386400
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.