HEARING LOGIC - HEARING HEALTH CARE LLC
NPI 1497614036
Hearing Instrument Specialist in Essex Junction, VT

NPI Status: Active since January 20, 2026

Contact Information

4 RAILROAD AVE
ESSEX JUNCTION, VT
ZIP 05452
Phone: (802) 881-0959

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  • Organization
  • Hearing Instrument Specialist

About HEARING LOGIC - HEARING HEALTH CARE LLC

This page provides the complete NPI Profile along with additional information for Hearing Logic - Hearing Health Care Llc, a provider established in Essex Junction, Vermont operating as a Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1497614036 assigned on January 2026. The practitioner's primary taxonomy code is 237700000X. The provider is registered as an organization and their NPI record was last updated January 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. Martin T D'onofrio His (Owner)

NPI
1497614036
Provider Name
HEARING LOGIC - HEARING HEALTH CARE LLC
Entity Type
Organization
Location Address
4 RAILROAD AVE ESSEX JUNCTION, VT 05452
Location Phone
(802) 881-0959
Mailing Address
5 TANGLEWOOD DR ESSEX JUNCTION, VT 05452
Mailing Phone
(802) 734-6317
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-20-2026
Last Update Date
01-20-2026
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Location Map

Secondary Locations

  • 654 Granger Rd Ste 10
    Barre, VT 05641
    (802) 881-0959

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.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MR. MARTIN T D'ONOFRIO HIS

Authorized Official Title
OWNER
Authorized Official Phone
(802) 734-6317

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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 1497614036, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
3
Doubled → 6
Check
6
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 9 → 18 → 9 6 → 12 → 3 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 4 + 1 + 8 + 7 + 1 + 2 + 1 + 8 + 0 + 6 + 24 = 64

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1497614036.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Hearing Instrument Specialist
4 RAILROAD AVE
ESSEX JUNCTION, VT 05452
Hearing Instrument Specialist
4 RAILROAD AVE
ESSEX JCT, VT 05452

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497614036, enumerated as an "organization" on January 20, 2026.

The provider is located at 4 RAILROAD AVE ESSEX JUNCTION, VT 05452 and the phone number is (802) 881-0959.

Hearing Instrument Specialist with taxonomy code 237700000X.