GRACE CHRISTINA MASSEY
NPI 1295652030
Hearing Instrument Specialist in Boardman, OH

NPI Status: Active since July 02, 2026

Contact Information

6361 SOUTH AVE
BOARDMAN, OH
ZIP 44512
Phone: (330) 599-7017

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  • Individual
  • Female
  • Hearing Instrument Specialist

About GRACE MASSEY

This page provides the complete NPI Profile along with additional information for Grace Massey, a provider established in Boardman, Ohio with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1295652030 assigned on July 2026. The practitioner's primary taxonomy code is 237700000X with license number IL03598 (OH). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1295652030
Provider Name
GRACE CHRISTINA MASSEY
Gender
Female
Entity Type
Individual
Location Address
6361 SOUTH AVE BOARDMAN, OH 44512
Location Phone
(330) 599-7017
Mailing Address
6361 SOUTH AVE BOARDMAN, OH 44512
Mailing Phone
(330) 599-7017
Is Sole Proprietor?
Yes
Enumeration Date
07-02-2026
Last Update Date
07-02-2026
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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
License No.
IL03598
License State
OH
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

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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 1295652030, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 2 + 5 + 4 + 0 + 6 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1295652030.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Pharmacist
6361 SOUTH AVE
BOARDMAN, OH 44512
Pharmacy (Community/Retail Pharmacy)
6361 SOUTH AVE
BOARDMAN, OH 44512
Eyewear Supplier
6361 SOUTH AVE
BOARDMAN, OH 44512
Pharmacist
6361 SOUTH AVE
YOUNGSTOWN, OH 44512
Hearing Instrument Specialist
6361 SOUTH AVE
BOARDMAN, OH 44512

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295652030, enumerated as an "individual" on July 02, 2026.

The provider is located at 6361 SOUTH AVE BOARDMAN, OH 44512 and the phone number is (330) 599-7017.

Hearing Instrument Specialist with taxonomy code 237700000X.