Active NPI
Stephanie Mae O'Brien, FNP-C
- Pediatric Nurse Practitioner
- Chicago, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Nurse Practitioner
- License
- 209016850
- Practice address
- 225 E Chicago Ave
Chicago, IL 60611-2991 - Phone
- (312) 227-4100
- NPI assigned
- Apr 18, 2018
- Last updated
- Jul 24, 2025
- Sex
- Female
- Sole proprietor
- Yes
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 Nurse Practitioner | 363LP0200X | 209016850 | IL | Primary |
Addresses
Primary practice location
225 E Chicago Ave
Chicago, IL 60611-2991
Mailing address
2544 N Burling St Apt 1R
Chicago, IL 60614-2529
Phone (815) 975-7013
Other practice location 1
251 E Huron St
Chicago, IL 60611-2908
Phone (312) 227-4100
Other practice location 2
1620 W Harrison St
Chicago, IL 60612-3801
Phone (312) 227-4100
Other practice location 3
900 N Westmoreland Rd Ste 110
Lake Forest, IL 60045-1688
Phone (312) 227-4100
Other practice location 4
10350 Haligus Rd Ste 110
Huntley, IL 60142-9526
Phone (312) 227-4100
Other practice location 5
1475 E Belvidere Rd, Pavilion C
Suite 285
Grayslake, IL 60030
Phone (312) 227-4100
Other practice location 6
1870 Silver Cross Blvd Ste 210
New Lenox, IL 60451-8646
Phone (312) 227-4100
Other practice location 7
250 E Superior St
Chicago, IL 60611-2914
Phone (312) 227-4100
Other practice location 8
2301 Enterprise Dr
Westchester, IL 60154-5802
Phone (312) 227-4100
Other practice location 9
3722 Touhy Ave
Skokie, IL 60076-3941
Phone (312) 227-4100
Other practice location 10
1895 Arbor Glen Blvd
Schaumburg, IL 60195-3114
Phone (312) 227-4100
Other practice location 11
1131 Techny Rd
Northbrook, IL 60062-5503
Phone (312) 227-4100
Other practice location 12
880 W Central Rd Ste 6400
Arlington Heights, IL 60005-2378
Phone (312) 227-4100
Other practice location 13
2515 N Clark St Ste 900
Chicago, IL 60614-2730
Phone (312) 227-4100
Other practice location 14
25 N Winfield Rd
Winfield, IL 60190-1379
Phone (312) 227-4100
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: No
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 209016850 | IL | MD | Pediatric Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Lurie Children's Medical Group Inc | Current | Accepting new patients |
Locations
880 W Central Rd
Ste 6400
Arlington Heights, IL 60005
Phone (224) 625-2180
Claims Remittance
Carol Stream, IL 60122
1620 W Harrison St
Chicago, IL 60612
Phone (312) 942-4200
225 E Chicago Ave
Chicago, IL 60611
Phone (312) 227-6415
250 E Superior St
Chicago, IL 60611
Phone (312) 472-2007
2515 N Clark St
Ste 900
Chicago, IL 60614
Phone (312) 227-6460
737 N Michigan Ave
Ste 2040
Chicago, IL 60611
1475 E Belvidere Rd
Unit 285
Grayslake, IL 60030
Phone (312) 227-2220
10350 Haligus Rd
Ste 110
Huntley, IL 60142
Phone 3122274100 ext. 74100
900 N Westmoreland Rd
Ste 110
Lake Forest, IL 60045
Phone (312) 227-1010
1870 Silver Cross Blvd
Ste 210
New Lenox, IL 60451
Phone (312) 227-3620
1131 Techny Rd
Northbrook, IL 60062
Phone (312) 227-6415
3722 Touhy Ave
Skokie, IL 60076
Phone (312) 227-5600
2301 Enterprise Dr
Westchester, IL 60154
Phone (312) 227-6415
25 N Winfield Rd
Winfield, IL 60190
Phone (630) 682-1600
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1524009600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753315200000",
"number": "1487141180",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2544 N BURLING ST APT 1R",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606142529",
"telephone_number": "815-975-7013"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "225 E CHICAGO AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606112991",
"telephone_number": "312-227-4100"
}
],
"practiceLocations": [
{
"address_1": "251 E Huron St",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606112908",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1620 W Harrison St",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606123801",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "900 N Westmoreland Rd Ste 110",
"address_purpose": "LOCATION",
"city": "Lake Forest",
"state": "IL",
"postal_code": "600451688",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "10350 Haligus Rd Ste 110",
"address_purpose": "LOCATION",
"city": "Huntley",
"state": "IL",
"postal_code": "601429526",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1475 E Belvidere Rd, Pavilion C",
"address_2": "Suite 285",
"address_purpose": "LOCATION",
"city": "Grayslake",
"state": "IL",
"postal_code": "60030",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1870 Silver Cross Blvd Ste 210",
"address_purpose": "LOCATION",
"city": "New Lenox",
"state": "IL",
"postal_code": "604518646",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "250 E Superior St",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606112914",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2301 Enterprise Dr",
"address_purpose": "LOCATION",
"city": "Westchester",
"state": "IL",
"postal_code": "601545802",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3722 Touhy Ave",
"address_purpose": "LOCATION",
"city": "Skokie",
"state": "IL",
"postal_code": "600763941",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1895 Arbor Glen Blvd",
"address_purpose": "LOCATION",
"city": "Schaumburg",
"state": "IL",
"postal_code": "601953114",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1131 Techny Rd",
"address_purpose": "LOCATION",
"city": "Northbrook",
"state": "IL",
"postal_code": "600625503",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "880 W Central Rd Ste 6400",
"address_purpose": "LOCATION",
"city": "Arlington Heights",
"state": "IL",
"postal_code": "600052378",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2515 N Clark St Ste 900",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606142730",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "25 N Winfield Rd",
"address_purpose": "LOCATION",
"city": "Winfield",
"state": "IL",
"postal_code": "601901379",
"country_code": "US",
"telephone_number": "312-227-4100",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "O'BRIEN",
"first_name": "STEPHANIE",
"middle_name": "MAE",
"credential": "FNP-C",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2018-04-18",
"last_updated": "2025-07-24",
"certification_date": "2025-07-24",
"status": "A"
},
"taxonomies": [
{
"code": "363LP0200X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Pediatrics",
"state": "IL",
"license": "209016850",
"primary": true
}
],
"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 Jul 24, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.