Organization Active NPI

Karen Lynn Maloney MD LTD

Doing business as Karen L. Maloney, MD, Ltd

  • Dermatology Physician
  • St Charles, IL
National Provider Identifier
1396058988
Registry record updated Aug 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
036071349 Issued in IL
Legal business name
KAREN LYNN MALONEY MD LTD
Doing business as
Karen L. Maloney, MD, Ltd
Practice address
2320 Dean St Ste 104
St Charles, IL 60175-1068
Phone
(630) 523-4747
Fax
(630) 584-9333
NPI assigned
Jul 23, 2010
Last updated
Aug 24, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 24, 2026

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

Authorized official

Name
Karen L MaloneyNPI 1912918186
Title
Owner
Phone
(630) 523-4747

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X 036071349 IL Primary
Medical Specialty Clinic/Center 261QM2500X NU

Addresses

Primary practice location

2320 Dean St Ste 104
St Charles, IL 60175-1068

Mailing address

317 Illinois St Ste a
St Charles, IL 60174-2704
Phone (630) 523-4747

Other names 1

  • Karen L. Maloney, MD, Ltd Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20110311000107 IL Part B Supplier - Clinic/Group Practice 6103008131 Receives reassigned benefits from 1 practitioner
Practice locations: St Charles, IL

National Provider Directory

National Provider Directory

Locations

1660 Embassy West Dr
Ste 175
Dubuque, IA 52002
Phone (563) 582-9306

300 N Grandview Ave
Ste 2
Dubuque, IA 52001
Phone (563) 582-9306

305 N Main St
Galena, IL 61036
Phone (815) 243-3376

305 N Main St
Ste 008
Galena, IL 61036
Phone (815) 243-3376

305 N Main St
Ste 8
Galena, IL 61036
Phone (630) 523-4747

317 Illinois St
Ste A
St Charles, IL 60174
Phone (630) 443-7223

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1279843200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1787529600000",
    "number": "1396058988",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "317 ILLINOIS ST STE A",
            "city": "ST CHARLES",
            "state": "IL",
            "postal_code": "601742704",
            "telephone_number": "630-523-4747",
            "fax_number": "630-584-9333"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2320 DEAN ST STE 104",
            "city": "ST CHARLES",
            "state": "IL",
            "postal_code": "601751068",
            "telephone_number": "630-523-4747",
            "fax_number": "630-584-9333"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "KAREN LYNN MALONEY MD LTD",
        "organizational_subpart": "NO",
        "enumeration_date": "2010-07-23",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A",
        "authorized_official_last_name": "MALONEY",
        "authorized_official_first_name": "KAREN",
        "authorized_official_middle_name": "L",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "630-523-4747"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "IL",
            "license": "036071349",
            "primary": true
        },
        {
            "code": "261QM2500X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Medical Specialty",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Karen L. Maloney, MD, Ltd",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in St Charles, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.