NPIMap

Organization Active NPI

Hearing Professionals of Il LTD

  • Audiologist
  • Park Ridge, IL
National Provider Identifier
1003010364
Registry record updated Jan 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
AudiologistTaxonomy code 231H00000X
Legal business name
HEARING PROFESSIONALS OF IL LTD
Practice address
2604 Dempster St Ste 501
Park Ridge, IL 60068-8429
Phone
(847) 674-5585
NPI assigned
Jun 12, 2007
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 14, 2026

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

Authorized official

Name
Merle Nathan Sr., MA, CCCANPI 1427246362
Title
Director of Audiology
Phone
(847) 674-5585

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
AudiologistGroup: 193200000X MULTI-SPECIALTY GROUP 231H00000X 147000108 IL
AudiologistGroup: 193200000X MULTI-SPECIALTY GROUP 231H00000X IL Primary

Addresses

Primary practice location

2604 Dempster St Ste 501
Park Ridge, IL 60068-8429

Mailing address

2604 Dempster St Ste 501
Park Ridge, IL 60068-8429
Phone (847) 674-5585

Other names 2

  • Hearing Professionals of Illinois Doing business as
  • Formerly Audiological Laboratory Former legal business name

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20260324001844 IL Part B Supplier - Clinic/Group Practice 2860976214 Receives reassigned benefits from 6 practitioners
Practice locations: Deerfield, IL; Skokie, IL; Park Ridge, IL; Libertyville, IL; Hoffman Estates, IL

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 15

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 15

NPI Registry JSON

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

{
    "created_epoch": "1181606400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1768348800000",
    "number": "1003010364",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2604 DEMPSTER ST STE 501",
            "city": "PARK RIDGE",
            "state": "IL",
            "postal_code": "600688429",
            "telephone_number": "847-674-5585"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2604 DEMPSTER ST STE 501",
            "city": "PARK RIDGE",
            "state": "IL",
            "postal_code": "600688429",
            "telephone_number": "847-674-5585"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "HEARING PROFESSIONALS OF IL LTD",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-06-12",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A",
        "authorized_official_last_name": "NATHAN",
        "authorized_official_first_name": "MERLE",
        "authorized_official_title_or_position": "DIRECTOR OF AUDIOLOGY",
        "authorized_official_telephone_number": "847-674-5585",
        "authorized_official_name_suffix": "Sr.",
        "authorized_official_credential": "MA, CCCA"
    },
    "taxonomies": [
        {
            "code": "231H00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Audiologist",
            "state": "IL",
            "license": "147000108",
            "primary": false
        },
        {
            "code": "231H00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Audiologist",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Hearing Professionals of Illinois",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Formerly Audiological Laboratory",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

Other providers in Park Ridge, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 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.