Active NPI
Gillian Brennan
- Neonatal-Perinatal Medicine Physician
- Chicago, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neonatal-Perinatal Medicine Physician
- License
- 036122278
- Practice address
- 5841 S Maryland Ave
Chicago, IL 60637-1443 - Phone
- (888) 824-0200
- NPI assigned
- Jun 3, 2008
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Neonatal-Perinatal Medicine Physician | 2080N0001X | 036122278 | IL | Primary |
Addresses
Primary practice location
5841 S Maryland Ave
Chicago, IL 60637-1443
Mailing address
150 Harvester Dr
Suite 300
Burr Ridge, IL 60527-5919
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | gbrennanmd121519@uchospital.direct-ci.com | University of Chicago Physicians Group |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL, GU
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20120824000186 | IL | Practitioner - Pediatric Medicine | 2961659057 | Reassigns benefits to 3 organizations |
| I20251013002859 | GU | Practitioner - Other (Physician) | 2961659057 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Undefined Physician Type (Specify)
- Education
- Other, 2004
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
850 Gov Carlos G Camacho Rd
Tamuning, GU 96913
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036122278 | IL | MD | Neonatal-Perinatal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Guam Memorial Hospital | Current | Accepting new patients | |
| Osf Healthcare System | Current | Accepting new patients | |
| Central PA Pharmacy LLC. | Current | Accepting new patients | |
| Guam Memorial Hospital | Current | Accepting new patients | |
| Osf Healthcare System | Current | Accepting new patients | |
| Osf Multi-Specialty Group | Current | Accepting new patients | |
| University of Chicago | Current | Accepting new patients |
Locations
850 Gov Carlos G Camacho Rd
Tamuning, GU 96913
Phone (671) 647-2555
850 Gov Carlos G Camacho Rd
#R
Tamuning, GU 96913
Phone (671) 647-2552
150 Harvester Dr
Ste 300
Burr Ridge, IL 60527
Phone (773) 702-1061
350 N Wall St
Kankakee, IL 60901
Phone (815) 935-7500
1000 W Harlem Ave
Monmouth, IL 61462
Phone (309) 734-1414
120 N Oak St
Oak Brook Mall, IL 60521
Phone (630) 856-6700
8600 State Route 91
Ste 130
Peoria, IL 61615
Phone (309) 683-5050
1420 W Pioneer Pkwy
Peoria, IL 61615
Phone (309) 308-5195
Organizations & group practices 7
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
- Dixon, IL
- NPI 1508683590
-
- Community/Retail Pharmacy
- Patton, PA
- NPI 1578541413
-
- Skilled Nursing Facility
- Oka Tamuning, GU
- NPI 1952479131
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1212451200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1666569600000",
"number": "1174782437",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "150 HARVESTER DR",
"address_2": "SUITE 300",
"city": "BURR RIDGE",
"state": "IL",
"postal_code": "605275919"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5841 S MARYLAND AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606371443",
"telephone_number": "888-824-0200"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BRENNAN",
"first_name": "GILLIAN",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2008-06-03",
"last_updated": "2022-10-24",
"status": "A"
},
"taxonomies": [
{
"code": "2080N0001X",
"taxonomy_group": "",
"desc": "Pediatrics, Neonatal-Perinatal Medicine",
"state": "IL",
"license": "036122278",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "gbrennanmd121519@uchospital.direct-ci.com",
"affiliation": "Y",
"affiliationName": "University of Chicago Physicians Group",
"address_1": "5841 S Maryland Ave",
"city": "Chicago",
"state": "IL",
"country_code": "US",
"postal_code": "606371443",
"country_name": "United States",
"address_type": "DOM"
}
],
"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 Oct 24, 2022; 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.