The Hearing Professionals LLC

Primary specialty

Hearing Instrument SpecialistTaxonomy code 237700000X

Legal business name

THE HEARING PROFESSIONALS LLC

Doing business as

The Hearing Professionals/ Ken Pruyn

Practice address

67 Forest St Ste 350-25
Marlborough, MA 01752-3195

Phone

(508) 794-3620

Fax

(508) 205-0291

NPI assigned

Jul 29, 2025

Organization subpart

No

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

Authorized official

Name

Mr. Kenneth C Pruyn Jr., HISNPI 1710167804

Title

Owner/Hearing Instrument Specialist

Phone

(508) 850-5479

Specialties & licenses 1

Addresses

Other names 1

• The Hearing Professionals/ Ken Pruyn Doing business as

Locations

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.

• Kenneth Charles Pruyn Jr.

  • Hearing Instrument Specialist
  • Marlborough, MA
  • NPI 1710167804
  NPD Authorized official

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

{
    "created_epoch": "1753747200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1773792000000",
    "number": "1205719036",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 BEAVER POND RD",
            "city": "MILFORD",
            "state": "MA",
            "postal_code": "017573743",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "67 FOREST ST STE 350-25",
            "city": "MARLBOROUGH",
            "state": "MA",
            "postal_code": "017523195",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "275 Grove St Ste 400",
            "address_purpose": "LOCATION",
            "city": "Auburndale",
            "state": "MA",
            "postal_code": "024662272",
            "country_code": "US",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "198 Charlton Rd Ste 11",
            "address_purpose": "LOCATION",
            "city": "Sturbridge",
            "state": "MA",
            "postal_code": "015661571",
            "country_code": "US",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "287 Grove St Bldg D",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016053905",
            "country_code": "US",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "945 Concord St",
            "address_purpose": "LOCATION",
            "city": "Framingham",
            "state": "MA",
            "postal_code": "017014613",
            "country_code": "US",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "44 Bearfoot Rd Ste 201",
            "address_purpose": "LOCATION",
            "city": "Northborough",
            "state": "MA",
            "postal_code": "015321559",
            "country_code": "US",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "99 Derby St Ste 200",
            "address_purpose": "LOCATION",
            "city": "Hingham",
            "state": "MA",
            "postal_code": "020434216",
            "country_code": "US",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "300 Baker Ave Ste 300",
            "address_purpose": "LOCATION",
            "city": "Concord",
            "state": "MA",
            "postal_code": "017422124",
            "country_code": "US",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3 Allied Dr Ste 303",
            "address_purpose": "LOCATION",
            "city": "Dedham",
            "state": "MA",
            "postal_code": "020266148",
            "country_code": "US",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "315 University Ave Fl 2",
            "address_purpose": "LOCATION",
            "city": "Westwood",
            "state": "MA",
            "postal_code": "020902315",
            "country_code": "US",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "303 Wyman St Ste 300",
            "address_purpose": "LOCATION",
            "city": "Waltham",
            "state": "MA",
            "postal_code": "024511255",
            "country_code": "US",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "300 Brickstone Sq Ste 201",
            "address_purpose": "LOCATION",
            "city": "Andover",
            "state": "MA",
            "postal_code": "018101497",
            "country_code": "US",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "859 Willard St Ste 400",
            "address_purpose": "LOCATION",
            "city": "Quincy",
            "state": "MA",
            "postal_code": "021697469",
            "country_code": "US",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "26 Patriot Pl Fl 2",
            "address_purpose": "LOCATION",
            "city": "Foxborough",
            "state": "MA",
            "postal_code": "020353304",
            "country_code": "US",
            "telephone_number": "508-794-3620",
            "fax_number": "508-205-0291",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "THE HEARING PROFESSIONALS LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-07-29",
        "last_updated": "2026-03-18",
        "certification_date": "2026-03-18",
        "status": "A",
        "authorized_official_last_name": "PRUYN",
        "authorized_official_first_name": "KENNETH",
        "authorized_official_middle_name": "C",
        "authorized_official_title_or_position": "OWNER/HEARING INSTRUMENT SPECIALIST",
        "authorized_official_telephone_number": "508-850-5479",
        "authorized_official_name_prefix": "Mr.",
        "authorized_official_name_suffix": "Jr.",
        "authorized_official_credential": "HIS"
    },
    "taxonomies": [
        {
            "code": "237700000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Hearing Instrument Specialist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "The Hearing Professionals/ Ken Pruyn",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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• Hearing Instrument Specialist in Marlborough, MA
• Providers in Marlborough, MA by specialty
• Hearing Instrument Specialist in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 18, 2026; 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.