Individual provider Active NPI

Melissa Marquardt, M.A., CCC-SLP

  • Speech-Language Pathologist
  • Woodridge, IL
National Provider Identifier
1255955001
Registry record updated Nov 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
Practice address
9018 Heritage Pkwy Ste 600
Woodridge, IL 60517-5139
Phone
(630) 442-7662
NPI assigned
Jun 7, 2020
Last updated
Nov 10, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 10, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Speech-Language Pathologist 235Z00000X IL Primary

Addresses

Primary practice location

9018 Heritage Pkwy Ste 600
Woodridge, IL 60517-5139

Mailing address

11 W Birchwood Ave
Hinsdale, IL 60521-2804
Phone (630) 560-0136

Other practice location 1

21000 S Frankfort Square Rd Ste D
Frankfort, IL 60423-9386
Phone (815) 469-1500

Medicare participation

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Master of Arts

Practice roles

OrganizationSpecialtyStatusNew patients
Westside Childrens Therapy Speech-Language Pathologist PastSince Jun 14, 2020 Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1591488000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762732800000",
    "number": "1255955001",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11 W BIRCHWOOD AVE",
            "city": "HINSDALE",
            "state": "IL",
            "postal_code": "605212804",
            "telephone_number": "630-560-0136"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9018 HERITAGE PKWY STE 600",
            "city": "WOODRIDGE",
            "state": "IL",
            "postal_code": "605175139",
            "telephone_number": "630-442-7662"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "21000 S Frankfort Square Rd Ste D",
            "address_purpose": "LOCATION",
            "city": "Frankfort",
            "state": "IL",
            "postal_code": "604239386",
            "country_code": "US",
            "telephone_number": "815-469-1500",
            "fax_number": "815-220-5619",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARQUARDT",
        "first_name": "MELISSA",
        "credential": "M.A., CCC-SLP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-06-07",
        "last_updated": "2025-11-10",
        "certification_date": "2025-11-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Woodridge, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 10, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.