Active NPI
Hearing Professionals of Il LTD
Doing business as Hearing Professionals of Illinois
- Audiologist
- Park Ridge, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Audiologist
- Legal business name
- HEARING PROFESSIONALS OF IL LTD
- Doing business as
- Hearing Professionals of Illinois
- Practice address
- 2604 Dempster St Ste 501
Park Ridge, IL 60068-8429 - Phone
- (847) 674-5585
- NPI assigned
- Jun 12, 2007
- Last updated
- Jan 14, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Merle Nathan Sr., MA, CCCA
- 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) | Code | License | State | Primary |
|---|---|---|---|---|
| Audiologist | 231H00000X | 147000108 | IL | |
| Audiologist | 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
- Formerly Audiological Laboratory
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL
Enrollment records 1
National Provider Directory
National Provider DirectoryLocations
111 S Pfingsten Rd
Ste 106
Deerfield, IL 60015
8780 W Golf Rd
Ste 200
Niles, IL 60714
Phone (847) 824-4390
Practitioners & affiliated clinicians
Practitioners 15
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.
-
- Audiologist-Hearing Aid Fitter
- Park Ridge, IL
- NPI 1427246362
-
- Audiologist
- Park Ridge, IL
- NPI 1255776209
-
- Audiologist
- Chicago, IL
- NPI 1801118435
-
- Audiologist
- Park Ridge, IL
- NPI 1194593079
-
- Audiologist
- Oak Lawn, IL
- NPI 1356010342
-
- Audiologist
- McHenry, IL
- NPI 1649527854
-
- Otolaryngology Physician
- Park Ridge, IL
- NPI 1356333637
-
- Otolaryngology Physician
- Park Ridge, IL
- NPI 1467767855
-
- Otolaryngology Physician
- Park Ridge, IL
- NPI 1063404358
-
- Otolaryngology Physician
- Park Ridge, IL
- NPI 1861684334
-
- Otolaryngology Physician
- Park Ridge, IL
- NPI 1689164410
-
- Otolaryngology Physician
- Park Ridge, IL
- NPI 1790149862
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
- Healing to Heal Another Home Healthcare, Inc
- Heals on Wheels Mobile Healthcare PLLC
- Health First Home Health Inc.
- Health Maintenance Insititue of Illinois, Inc.
- Healthcare Alternative Systems, Inc.
- Heart & Soul Therapies, PC
- Heart to Heart Home Health Corp
- Amy E. Hedstrom, PA-C
- Karen C. Heick, PT
- Lindsay Heidebrink, DPT
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.