Active NPI
Gary L Loy
- Maternal & Fetal Medicine Physician
- Chicago, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Maternal & Fetal Medicine Physician
- License
- 01090808A
- Practice address
- 5841 S Maryland Ave
Chicago, IL 60637-1443 - Phone
- (888) 824-0200
- NPI assigned
- Aug 15, 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Maternal & Fetal Medicine Physician | 207VM0101X | 036065416 | IL | |
| Maternal & Fetal Medicine Physician | 207VM0101X | 01090808A | IN | 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
Other practice location 1
8081 Township Line Rd Ste 203
Indianapolis, IN 46260-2189
Phone (317) 415-8100
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | gloy208157@uchospital.direct-ci.com | University of Chicago Physicians Group |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL, IN
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Obstetrics/Gynecology
- Education
- University of Chicago, Pritzker School of Medicine, 1981
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
611 W Park St
Urbana, IL 61801-2500
611 W Park St
Urbana, IL 61801-2501
Phone (888) 712-2753
Hospital & facility affiliations
- Carle Foundation Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036065416 | IL | MD | Maternal & Fetal Medicine Physician |
| 01090808A | IN | MD | Maternal & Fetal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University of Chicago | Current | Accepting new patients | |
| Richland Memorial Hospital, Inc | Current | Accepting new patients | |
| Rockford Health Physicians | Current | Accepting new patients | |
| Carle Health Care Incorporated | Current | Accepting new patients | |
| St Vincent Pediatric Subspecialties | Maternal & Fetal Medicine | Current | Accepting new patients |
| Richland Memorial Hospital, Inc | Current | Accepting new patients | |
| Advocate Health and Hospitals Corporation | Current | Accepting new patients | |
| The University of Chicago Medical Center | Current | Accepting new patients | |
| Hoopeston Community Memorial Hospital | Current | Accepting new patients | |
| Hoopeston Community Memorial Hospital | Current | Accepting new patients | |
| Hoopeston Community Memorial Hospital | Current | Accepting new patients | |
| Advocate Health and Hospitals Corporation | Current | Accepting new patients | |
| St Vincent Pediatric Subspecialties | Current | Accepting new patients | |
| Richland Memorial Hospital, Inc | Current | Accepting new patients | |
| The University of Chicago Medical Center | Current | Accepting new patients | |
| Advocate North Side Health Network | Past | Accepting new patients | |
| Carle Health Care Incorporated | Past | Accepting new patients |
Locations
595 William R Latham SR Dr
Bourbonnais, IL 60914
Phone (815) 932-8944
135 N Arlington Heights Rd
Buffalo Grove, IL 60089
Phone (847) 215-8866
214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160
150 Harvester Dr
Ste 300
Burr Ridge, IL 60527
Phone (773) 702-1061
Carol Stream, IL 60122
2875 W 19th St
Chicago, IL 60623
Phone (773) 484-4300
1740 W Taylor St
Chicago, IL 60612
Phone (312) 355-4000
29624 Network Pl
Chicago, IL 60673
Phone (608) 741-7652
75 Remittance Dr
Dept 1611
Chicago, IL 60675
29373 Network Pl
Chicago, IL 60673
75 Remittance Dr
Chicago, IL 60675
701 E Orange St
Hoopeston, IL 60942
Phone (217) 283-5531
350 N Wall St
Kankakee, IL 60901
Phone (815) 935-7500
120 N Oak St
Oak Brook Mall, IL 60521
Phone (630) 856-6700
900 E Scott St
Olney, IL 62450
Phone (618) 345-1000
8201 E Riverside Blvd
Rockford, IL 61114
Phone (815) 971-4066
2300 N Rockton Ave
Rockford, IL 61103
Phone (815) 971-5510
1201 Ricker Rd
Salem, IL 62881
Phone (618) 548-3194
611 W Park St
Urbana, IL 61801
Phone (217) 383-6941
13420 N Meridian St
Ste 200
Carmel, IN 46032
Phone (317) 415-7626
1500 S Lake Park Ave
Ste 109
Hobart, IN 46342
Phone (219) 942-0551
8081 Township Line Rd
Ste 203
Indianapolis, IN 46260
Phone (317) 415-7921
2001 W 86th St
Indianapolis, IN 46260
Phone (317) 338-3617
99 E 86th Ave
Ste C
Merrillville, IN 46410
Phone (219) 769-4061
Interoperability endpoints
- gloymd292865@carlehiedirect.net
Organizations & group practices 17
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.
-
- Internal Medicine Physician
- Urbana, IL
- NPI 1154653947
-
- Multi-Specialty Clinic/Center
- Oak Brook, IL
- NPI 1700824455
-
- Internal Medicine Physician
- Hoopeston, IL
- NPI 1043683014
-
- Critical Access Hospital
- Olney, IL
- NPI 1467492124
-
- Multi-Specialty Clinic/Center
- Rockford, IL
- NPI 1043242886
-
- General Acute Care Hospital
- Chicago, IL
- NPI 1033218128
-
- Pediatrics Physician
- Indianapolis, IN
- NPI 1013967736
Maternal & Fetal Medicine
-
- Children's Hospital
- Oak Lawn, IL
- NPI 1508315516
-
- Critical Access Hospital
- Hoopeston, IL
- NPI 1366480873
-
- Rural Health Clinic/Center
- Hoopeston, IL
- NPI 1578504544
-
- Rural Health Clinic/Center
- Olney, IL
- NPI 1326566290
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Urbana, IL
- NPI 1013071653
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1155600000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1756857600000",
"number": "1851404073",
"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": [
{
"address_1": "8081 Township Line Rd Ste 203",
"address_purpose": "LOCATION",
"city": "Indianapolis",
"state": "IN",
"postal_code": "462602189",
"country_code": "US",
"telephone_number": "317-415-8100",
"fax_number": "317-415-7942",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "LOY",
"first_name": "GARY",
"middle_name": "L",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-08-15",
"last_updated": "2025-09-03",
"certification_date": "2025-09-03",
"status": "A"
},
"taxonomies": [
{
"code": "207VM0101X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
"state": "IL",
"license": "036065416",
"primary": false
},
{
"code": "207VM0101X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
"state": "IN",
"license": "01090808A",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "gloy208157@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 Sep 3, 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.