Active NPI
Gianfranco Bittar Carlini, MD
- Internal Medicine Physician
- Chicago, IL
National Provider Identifier
1497487870
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 036.174051
- Practice address
- 1901 W Harrison St
Chicago, IL 60612-3714 - Phone
- (312) 864-6000
- NPI assigned
- Jun 25, 2022
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 036.174051 | IL | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X | 125079803 | IL |
Addresses
Primary practice location
1901 W Harrison St
Chicago, IL 60612-3714
Mailing address
1901 W Harrison St
Chicago, IL 60612-3714
Phone (312) 864-6000
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
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1901 W Harrison St
Chicago, IL 60612-3714
Phone (312) 633-7292
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036.174051 | IL | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cook County | Current | Accepting new patients | |
| Cook County | Current | Accepting new patients | |
| Cook County | Internal Medicine | Current | Accepting new patients |
Locations
500 E 51st St
Chicago, IL 60615
Phone (312) 572-2000
1901 W Harrison St
Chicago, IL 60612
Phone (312) 864-5100
Organizations & group practices 3
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
- Chicago, IL
- NPI 1588612832
-
- Multi-Specialty Clinic/Center
- Chicago, IL
- NPI 1831219450
Hospital & facility affiliations 27
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": "1656115200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750032000000",
"number": "1497487870",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1901 W HARRISON ST",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606123714",
"telephone_number": "312-864-6000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1901 W HARRISON ST",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606123714",
"telephone_number": "312-864-6000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BITTAR CARLINI",
"first_name": "GIANFRANCO",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-06-25",
"last_updated": "2025-06-16",
"certification_date": "2025-06-16",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "IL",
"license": "036.174051",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": "IL",
"license": "125079803",
"primary": false
}
],
"identifiers": [],
"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 Jun 16, 2025; 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.