Active NPI
Janet Marie Nielsen, M.D.
- Family Medicine Physician
- Naperville, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- 036.127246
- Practice address
- 1160 E Ogden Ave Ste 106
Naperville, IL 60563-2693 - Phone
- (331) 226-0315
- Fax
- (844) 689-2582
- NPI assigned
- Jul 24, 2007
- 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 |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | 036.127246 | IL | Primary |
Addresses
Primary practice location
1160 E Ogden Ave Ste 106
Naperville, IL 60563-2693
Mailing address
1160 E Ogden Ave Ste 106
Naperville, IL 60563-2693
Phone (331) 226-0315
Other practice location 1
701 W North Ave
Melrose Park, IL 60160-1612
Phone (708) 681-3200
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | jnielsen44602@direct.luhs.org | Direct | LOYOLA UNIVERSITY MEDICAL CENTER |
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036.127246 | IL | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Loyola University Medical Center | Current | Accepting new patients | |
| Loyola Medical Group LLC | Current | Accepting new patients | |
| Dupage Medical Group LTD | Current | Accepting new patients | |
| Dupage Medical Group LTD | Current | Accepting new patients | |
| Loyola University Medical Center | Current | Accepting new patients | |
| Gottlieb Memorial Hospital | Current | Accepting new patients | |
| RJM Pathology Consultants LTD | Current | Accepting new patients | |
| Gottlieb Memorial Hospital | Current | Accepting new patients | |
| Loyola University Medical Center | Current | Accepting new patients | |
| Gottlieb Community Health Services Corporation | Past | Accepting new patients |
Locations
3231 Euclid Ave
Ste 202
Berwyn, IL 60402
Phone (708) 783-2700
3231 Euclid Ave
Ste 407
Berwyn, IL 60402
Phone (708) 783-7430
30 Stratford Dr
Bloomingdale, IL 60108
Phone (630) 893-2210
1860 Paysphere Cir
Chicago, IL 60674
Phone (630) 469-2000
2100 Glenwood Ave
Joliet, IL 60435
Phone (815) 999-3201
500 W Court St
Kankakee, IL 60901
Phone (800) 585-4119
2160 S 1st Ave
Maywood, IL 60153
Phone (708) 216-4400
701 W North Ave
Melrose Park, IL 60160
Phone (708) 450-5779
2 Westbrook Corporate Ctr
Ste 600
Westchester, IL 60154
Phone (708) 216-5092
Interoperability endpoints
- janet.nielsen.1@14940.direct.athenahealth.com
Organizations & group practices 10
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.
-
- Multi-Specialty Clinic/Center
- Downers Grove, IL
- NPI 1801833983
-
- General Acute Care Hospital
- Melrose Park, IL
- NPI 1831170232
-
- General Practice Physician
- Maywood, IL
- NPI 1336159961
-
- Durable Medical Equipment & Medical Supplies
- Glen Ellyn, IL
- NPI 1760979447
-
- Rehabilitation Hospital Unit
- Melrose Park, IL
- NPI 1396109500
-
- General Practice Physician
- Berwyn, IL
- NPI 1376041954
-
- Community/Retail Pharmacy
- Maywood, IL
- NPI 1184789299
-
- General Acute Care Hospital
- Maywood, IL
- NPI 1376521575
-
- Clinical Pathology/Laboratory Medicine Physician
- Melrose Park, IL
- NPI 1427061936
-
- General Acute Care Hospital
- Berwyn, IL
- NPI 1043292428
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1185235200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1756771200000",
"number": "1679773980",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1160 E OGDEN AVE STE 106",
"city": "NAPERVILLE",
"state": "IL",
"postal_code": "605632693",
"telephone_number": "331-226-0315",
"fax_number": "844-689-2582"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1160 E OGDEN AVE STE 106",
"city": "NAPERVILLE",
"state": "IL",
"postal_code": "605632693",
"telephone_number": "331-226-0315",
"fax_number": "844-689-2582"
}
],
"practiceLocations": [
{
"address_1": "701 W North Ave",
"address_purpose": "LOCATION",
"city": "Melrose Park",
"state": "IL",
"postal_code": "601601612",
"country_code": "US",
"telephone_number": "708-681-3200",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "NIELSEN",
"first_name": "JANET",
"middle_name": "MARIE",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2007-07-24",
"last_updated": "2025-09-02",
"certification_date": "2025-09-02",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "IL",
"license": "036.127246",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "jnielsen44602@direct.luhs.org",
"affiliation": "Y",
"affiliationName": "LOYOLA UNIVERSITY MEDICAL CENTER",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "2160 S 1st Ave",
"city": "Maywood",
"state": "IL",
"country_code": "US",
"postal_code": "601533328",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Naperville, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 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.