Marie T Oconnor Parker, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

036106251 Issued in IL

Practice address

15900 W 127TH St
Lemont, IL 60439-2910

Phone

(630) 243-7100

NPI assigned

Mar 7, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Marie Therese O'Connor Former name

Electronic endpoints 4

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

Specialty

Emergency Medicine

Education

Loyola University of Chicago, Stritch School of Medicine, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwestern Medicine Central Dupage Hospital Hospital, Winfield, IL, CCN 140242

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations (25 of 33)

Interoperability endpoints

• Direct secure messaging: marie.o.connor-parker.1@14940.direct.athenahealth.com

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.

• Northwestern Medical Faculty Foundation

  • Multi-Specialty Clinic/Center
  • Carol Stream, IL
  • NPI 1346235314
  Medicare reassignment Care Compare group NPD
• Dupage Emergency Physicians Convenient Care LLC

  • Emergency Medicine Physician
  • Lemont, IL
  • NPI 1922000363
  Medicare reassignment NPD
• Northwestern Medical Faculty Foundation

  • Durable Medical Equipment & Medical Supplies
  • Chicago, IL
  • NPI 1417718479
  NPD
• Central Dupage Physician Group

  • Family Medicine Physician
  • Carol Stream, IL
  • NPI 1033149844
  NPD (past)

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

• Central Dupage Hospital Association

  • General Acute Care Hospital
  • Winfield, IL
  • NPI 1003864810
  Care Compare affiliation
• Central Dupage Hospital Association

  • Psychiatric Hospital Unit
  • Winfield, IL
  • NPI 1740230895
  Care Compare affiliation

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

{
    "created_epoch": "1141689600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1528035789",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 95305",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606945305",
            "telephone_number": "877-485-4474"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15900 W 127TH ST",
            "city": "LEMONT",
            "state": "IL",
            "postal_code": "604392910",
            "telephone_number": "630-243-7100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6840 Main St",
            "address_purpose": "LOCATION",
            "city": "Downers Grove",
            "state": "IL",
            "postal_code": "605163425",
            "country_code": "US",
            "telephone_number": "630-275-6840",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "885 Roosevelt Rd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Glen Ellyn",
            "state": "IL",
            "postal_code": "601376141",
            "country_code": "US",
            "telephone_number": "630-938-6000",
            "fax_number": "630-384-6229",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OCONNOR PARKER",
        "first_name": "MARIE",
        "middle_name": "T",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-07",
        "last_updated": "2025-10-24",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MN",
            "license": "46599",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036106251",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "moconnorparker254859@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "15900 W 127th St",
            "city": "Lemont",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604392910",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicfhir.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "6840 Main St",
            "city": "Downers Grove",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605163425",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicfhir.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "15900 W 127th St",
            "city": "Lemont",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604392910",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "moconnorparker254859@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "6840 Main St",
            "city": "Downers Grove",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605163425",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MARIE",
            "last_name": "O'CONNOR",
            "middle_name": "THERESE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Kenerah Norman
• Leena Nubani
• Christine O'Keefe
• Sherry A O'Malley, PHARMD
• Lauren O'Rourke
• Teresa Christine Olivares, M.D.
• Merna Osman, PHARMD,
• Amber Ott
• Kelly Ottenstroer
• Joy M Pacelli, PHARM D

• Emergency Medicine Physician in Lemont, IL
• Providers in Lemont, IL by specialty
• Emergency Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 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.
• 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.

Verify at the official NPI Registry.