Individual provider Active NPI

Mackenzie Anne O'Connor

  • Otolaryngology Physician
  • Chicago, IL
National Provider Identifier
1801421516
Registry record updated Jun 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngology PhysicianTaxonomy code 207Y00000X
License
036-180602 Issued in IL
Practice address
1611 W Harrison St Ste 550
Chicago, IL 60612-4861
Phone
(312) 942-6100
NPI assigned
Mar 3, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 22, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology Physician 207Y00000X 036-180602 IL Primary

Addresses

Primary practice location

1611 W Harrison St Ste 550
Chicago, IL 60612-4861

Mailing address

1611 W Harrison St Ste 550
Chicago, IL 60612-4861
Phone (312) 942-6100

Other practice location 1

550 1st Ave
New York, NY 10016-6402
Phone (212) 263-5506

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
Other, 2021
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1611 W Harrison St
Suite 550
Chicago, IL 60612-4861

1700 W Van Buren St
Suite 161
Chicago, IL 60612-3228

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Interoperability endpoints

  • Direct secure messaging: moconnor457292@nyumc.direct-ci.com

NPI Registry JSON

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

{
    "created_epoch": "1583193600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782086400000",
    "number": "1801421516",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1611 W HARRISON ST STE 550",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606124861",
            "telephone_number": "312-942-6100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1611 W HARRISON ST STE 550",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606124861",
            "telephone_number": "312-942-6100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "550 1st Ave",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100166402",
            "country_code": "US",
            "telephone_number": "212-263-5506",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'CONNOR",
        "first_name": "MACKENZIE",
        "middle_name": "ANNE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-03",
        "last_updated": "2026-06-22",
        "certification_date": "2026-06-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "IL",
            "license": "036-180602",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.