Individual provider Active NPI

Jennifer B Kossoris, M.D.

  • Obstetrics & Gynecology Physician
  • Elmhurst, IL
National Provider Identifier
1497928873
Registry record updated Feb 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
036-116908 Issued in IL
Practice address
360 W Butterfield Rd
Suite 250
Elmhurst, IL 60126-5068
Phone
(630) 832-4210
Fax
(630) 832-8110
NPI assigned
Apr 8, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 2, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 036-116908 IL Primary

Addresses

Primary practice location

360 W Butterfield Rd
Suite 250
Elmhurst, IL 60126-5068

Mailing address

360 W Butterfield Rd Ste 250
Elmhurst, IL 60126-5098
Phone (630) 832-4210

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jkossoris341638@direct.myadvocateaurora.org

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
I20080827000599 IL Practitioner - Obstetrics/GynecologyPractitioner - Internal Medicine 7012083058 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/GynecologyAlso: Internal Medicine
Education
University of Chicago, Pritzker School of Medicine, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, 3,081 clinicians

Practice addresses (Care Compare)

214 McHenry Rd
Buffalo Grove, IL 60089-6748
Phone (847) 459-1160

360 W Butterfield Rd
Suite 250
Elmhurst, IL 60126-5098
Phone (630) 832-4210

3815 Highland Ave
Downers Grove, IL 60515-1500

Hospital & facility affiliations

  • Advocate Good Samaritan Hospital Hospital, Downers Grove, IL, CCN 140288
  • Elmhurst Memorial Hospital Hospital, Elmhurst, IL, CCN 140200
  • Edward Hospital Hospital, Naperville, IL, CCN 140231

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036-116908ILMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Advocate Health & Hospitals Corporation CurrentSince Sep 17, 2022 Accepting new patients
Elmhurst Memorial Healthcare CurrentSince Mar 1, 2019 Accepting new patients
Advocate Health and Hospitals Corporation Current Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Sep 17, 2022 Accepting new patients

Locations

214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160

29373 Network Pl
Chicago, IL 60673

155 E Brush Hill Rd
Elmhurst, IL 60126
Phone (331) 221-3521

172 E Schiller St
Elmhurst, IL 60126
Phone (331) 221-6377

360 W Butterfield Rd
Ste 250
Elmhurst, IL 60126
Phone (312) 495-2603

100 W 162nd St
South Holland, IL 60473
Phone (708) 730-2200

Organizations & group practices 4

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.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1207612800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769990400000",
    "number": "1497928873",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "360 W BUTTERFIELD RD STE 250",
            "city": "ELMHURST",
            "state": "IL",
            "postal_code": "601265098",
            "telephone_number": "630-832-4210"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "360 W BUTTERFIELD RD",
            "address_2": "SUITE 250",
            "city": "ELMHURST",
            "state": "IL",
            "postal_code": "601265068",
            "telephone_number": "630-832-4210",
            "fax_number": "630-832-8110"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOSSORIS",
        "first_name": "JENNIFER",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-04-08",
        "last_updated": "2026-02-02",
        "certification_date": "2026-02-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IL",
            "license": "036-116908",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jkossoris341638@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "100 W 162nd St",
            "city": "South Holland",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604732003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Elmhurst, IL

Sources for this page

Verify at the official NPI Registry.