Individual provider Active NPI

Madalyn Irene Alexander, M.S., CCC-SLP

  • Speech-Language Pathologist
  • Grand Rapids, MI
National Provider Identifier
1508642133
Registry record updated Nov 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
7101008306 Issued in MI
Practice address
2505 Ardmore St SE
Grand Rapids, MI 49506-4924
Phone
(616) 559-1054
NPI assigned
Sep 8, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 21, 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 7101008306 MI Primary

Addresses

Primary practice location

2505 Ardmore St SE
Grand Rapids, MI 49506-4924

Mailing address

2505 Ardmore St SE
Grand Rapids, MI 49506-4924

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)
Enrolled
Credentials
Master of Science

Practice roles

OrganizationSpecialtyStatusNew patients
Easterseals Morc Health Care, Inc. Speech-Language Pathologist Past 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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1694131200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763683200000",
    "number": "1508642133",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2505 ARDMORE ST SE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495064924"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2505 ARDMORE ST SE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495064924",
            "telephone_number": "616-559-1054"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALEXANDER",
        "first_name": "MADALYN",
        "middle_name": "IRENE",
        "credential": "M.S., CCC-SLP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-09-08",
        "last_updated": "2025-11-21",
        "certification_date": "2025-11-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "MI",
            "license": "7101008306",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 21, 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.