Individual provider Active NPI

Janet Marie Nielsen, M.D.

  • Family Medicine Physician
  • Naperville, IL
National Provider Identifier
1679773980
Registry record updated Sep 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
036.127246 Issued in IL
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

Updated by the provider on Sep 2, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
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

TypeEndpointUseAffiliation
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20120823000632 IL Practitioner - Family Practice 9830254473 Reassigns benefits to 3 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036.127246ILMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Loyola University Medical Center CurrentSince Jan 22, 2013 Accepting new patients
Loyola Medical Group LLC CurrentSince Jul 21, 2022 Accepting new patients
Dupage Medical Group LTD CurrentSince Jan 10, 2022 Accepting new patients
Dupage Medical Group LTD CurrentSince Jan 10, 2022 Accepting new patients
Loyola University Medical Center CurrentSince Jan 22, 2013 Accepting new patients
Gottlieb Memorial Hospital CurrentSince Feb 1, 2012 Accepting new patients
RJM Pathology Consultants LTD Current Accepting new patients
Gottlieb Memorial Hospital CurrentSince Feb 1, 2012 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

  • Direct secure messaging: 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.

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

Verify at the official NPI Registry.