Marc S Karlan, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

Practice address

201 E Huron St
Suite 10100
Chicago, IL 60611-3039

Phone

(312) 944-2424

Fax

(312) 944-6989

NPI assigned

Jul 6, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1152144000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1881625754",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "201 E HURON ST",
            "address_2": "SUITE 10100",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606113039",
            "telephone_number": "312-944-2424",
            "fax_number": "312-944-6989"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "201 E HURON ST",
            "address_2": "SUITE 10100",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606113039",
            "telephone_number": "312-944-2424",
            "fax_number": "312-944-6989"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARLAN",
        "first_name": "MARC",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-06",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IL",
            "license": null,
            "primary": true
        },
        {
            "code": "207YS0123X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Facial Plastic Surgery",
            "state": "IL",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Andrea Karklins
• Steven Marek Karkowski, P.T.A.
• Karl Saffran LCPC LLC
• Jessica A Karl, PA-C
• Michael James Karl, D.C.
• Molly Karling
• Leah Marie Karloff
• Anthony Charles Karlovich, PHARM.D.
• Samantha Karlow
• Narendra Karmali, M.D.

• Family Medicine Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Family Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.