Individual provider Active NPI

Sydney Lynne Cornelius, MD

  • Anesthesiology Physician
  • Chicago, IL
National Provider Identifier
1700687886
Registry record updated Jun 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
125.085419 Issued in IL
Practice address
420 E Superior St Ste 9-900
Chicago, IL 60611-4494
Phone
(312) 503-7975
NPI assigned
Mar 24, 2025
Last updated
Jun 23, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 23, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 125.085419 IL Primary

Addresses

Primary practice location

420 E Superior St Ste 9-900
Chicago, IL 60611-4494

Mailing address

420 E Superior St Ste 9-900
Chicago, IL 60611-4494
Phone (312) 503-7975

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
I20250703003160 IL Order and Referring Only - AnesthesiologyPractitioner - Anesthesiology 7214441021

National Provider Directory

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

NPI Registry JSON

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

{
    "created_epoch": "1742774400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750636800000",
    "number": "1700687886",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "420 E SUPERIOR ST STE 9-900",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606114494",
            "telephone_number": "312-503-7975"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "420 E SUPERIOR ST STE 9-900",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606114494",
            "telephone_number": "312-503-7975"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CORNELIUS",
        "first_name": "SYDNEY",
        "middle_name": "LYNNE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-03-24",
        "last_updated": "2025-06-23",
        "certification_date": "2025-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "125.085419",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.