Individual provider Active NPI

Lauren King Friend, MD

  • Emergency Medicine Physician
  • Chicago, IL
National Provider Identifier
1942837604
Registry record updated Aug 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
D0107438 Issued in MD
Practice address
5841 S Maryland Ave
Chicago, IL 60637-1443
Phone
(888) 824-0200
NPI assigned
Mar 24, 2020
Last updated
Aug 5, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 5, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 036171634 IL
Emergency Medicine Physician 207P00000X 01094625A IN
Emergency Medicine Physician 207P00000X D0107438 MD Primary

Addresses

Primary practice location

5841 S Maryland Ave
Chicago, IL 60637-1443

Mailing address

6201 Greenleigh Ave
Middle River, MD 21220-2004
Phone (410) 933-2704

Other practice location 1

1800 Orleans St
Baltimore, MD 21287-0010
Phone (410) 502-2037

Other practice location 2

10855 Virginia St
Crown Point, IN 46307-0210
Phone (888) 824-0200

Other practice location 3

1740 W Taylor St
Chicago, IL 60612-7232
Phone (866) 600-2273

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
I20241015001097 IL Practitioner - Emergency Medicine 4082039235 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Virginia Commonwealth University, School of Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of ChicagoGroup PAC ID 7719899426, 1,674 clinicians

Practice addresses (Care Compare)

5841 S Maryland Ave
Chicago, IL 60637-1443
Phone (888) 824-0200

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
97.28 of 100Reported as group
Quality
89.92
Promoting interoperability
100
Improvement activities
40
Cost
78.23

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as apm
Quality
82.45
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036171634ILMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The University of Chicago Medical Center CurrentSince Oct 1, 2024 Accepting new patients
The University of Chicago Medical Center CurrentSince Oct 1, 2024 Accepting new patients
Loyola University Medical Center Current Accepting new patients
University of Chicago CurrentSince Oct 1, 2024 Accepting new patients

Locations

150 Harvester Dr
Ste 300
Burr Ridge, IL 60527
Phone (773) 702-1061

1740 W Taylor St
Chicago, IL 60612
Phone (312) 355-4000

350 N Wall St
Kankakee, IL 60901
Phone (815) 935-7500

120 N Oak St
Oak Brook Mall, IL 60521
Phone (630) 856-6700

10855 Virginia St
Ste 1700
Crown Point, IN 46307

1500 S Lake Park Ave
Ste 109
Hobart, IN 46342
Phone (219) 942-0551

Interoperability endpoints

  • Direct secure messaging: lfriend140037@direct.luhs.org
  • Direct secure messaging: lfriend327244@uchospital.direct-ci.com

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 1

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": "1585008000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1942837604",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "MIDDLE RIVER",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-933-2704",
            "fax_number": "410-500-4266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5841 S MARYLAND AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606371443",
            "telephone_number": "888-824-0200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1800 Orleans St",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212870010",
            "country_code": "US",
            "telephone_number": "410-502-2037",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10855 Virginia St",
            "address_purpose": "LOCATION",
            "city": "Crown Point",
            "state": "IN",
            "postal_code": "463070210",
            "country_code": "US",
            "telephone_number": "888-824-0200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1740 W Taylor St",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606127232",
            "country_code": "US",
            "telephone_number": "866-600-2273",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FRIEND",
        "first_name": "LAUREN",
        "middle_name": "KING",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-24",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036171634",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IN",
            "license": "01094625A",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MD",
            "license": "D0107438",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.