THE HEARING PROFESSIONALS LLC
NPI 1205719036
Hearing Instrument Specialist in Marlborough, MA
NPI Status: Active since July 29, 2025
Contact Information
67 FOREST ST STE 350-25
MARLBOROUGH, MA
ZIP 01752
Phone: (508) 794-3620
Fax: (508) 205-0291
- Organization
- Hearing Instrument Specialist
About THE HEARING PROFESSIONALS LLC
This page provides the complete NPI Profile along with additional information for The Hearing Professionals Llc, a provider established in Marlborough, Massachusetts operating as a Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1205719036 assigned on July 2025. The practitioner's primary taxonomy code is 237700000X. The provider is registered as an organization and their NPI record was last updated March 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Mr. Kenneth C Pruyn Jr. His (Owner/hearing Instrument Specialist)
- NPI
- 1205719036
- Provider Name
- THE HEARING PROFESSIONALS LLC
- Entity Type
- Organization
- Location Address
- 67 FOREST ST STE 350-25 MARLBOROUGH, MA 01752
- Location Phone
- (508) 794-3620
- Location Fax
- (508) 205-0291
- Mailing Address
- 20 BEAVER POND RD MILFORD, MA 01757
- Mailing Phone
- (508) 794-3620
- Mailing Fax
- (508) 205-0291
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 07-29-2025
- Last Update Date
- 03-18-2026
- Code Navigator
Location Map
Secondary Locations
- 26 Patriot Pl Fl 2
Foxborough, MA 02035
(508) 794-3620 - 198 Charlton Rd Ste 11
Sturbridge, MA 01566
(508) 794-3620 - 300 Brickstone Sq Ste 201
Andover, MA 01810
(508) 794-3620 - 303 Wyman St Ste 300
Waltham, MA 02451
(508) 794-3620 - 315 University Ave Fl 2
Westwood, MA 02090
(508) 794-3620 - 3 Allied Dr Ste 303
Dedham, MA 02026
(508) 794-3620 - 275 Grove St Ste 400
Auburndale, MA 02466
(508) 794-3620 - 859 Willard St Ste 400
Quincy, MA 02169
(508) 794-3620 - 287 Grove St Bldg D
Worcester, MA 01605
(508) 794-3620 - 945 Concord St
Framingham, MA 01701
(508) 794-3620 - 44 Bearfoot Rd Ste 201
Northborough, MA 01532
(508) 794-3620 - 99 Derby St Ste 200
Hingham, MA 02043
(508) 794-3620 - 300 Baker Ave Ste 300
Concord, MA 01742
(508) 794-3620
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Hearing Instrument Specialist
- Taxonomy Code
- 237700000X
- Type
- Speech, Language and Hearing Service Providers
- Taxonomy Description
- Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1205719036, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 54 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
MARLBOROUGH, MA 01752
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1205719036, enumerated as an "organization" on July 29, 2025.
The provider is located at 67 FOREST ST STE 350-25 MARLBOROUGH, MA 01752 and the phone number is (508) 794-3620.
Hearing Instrument Specialist with taxonomy code 237700000X.
