SEASIDE HEARING SOLUTIONS
NPI 1669300034
Hearing Instrument Specialist in Yarmouth Port, MA

NPI Status: Active since May 13, 2026

Contact Information

923 ROUTE 6A UNIT DD
YARMOUTH PORT, MA
ZIP 02675
Phone: (508) 371-2520

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  • Organization
  • Hearing Instrument Specialist

About SEASIDE HEARING SOLUTIONS

This page provides the complete NPI Profile along with additional information for Seaside Hearing Solutions, a provider established in Yarmouth Port, Massachusetts operating as a Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1669300034 assigned on May 2026. The practitioner's primary taxonomy code is 237700000X. The provider is registered as an organization and their NPI record was last updated May 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 Susanne Powers Bc-his (Owner/provider)

NPI
1669300034
Provider Name
SEASIDE HEARING SOLUTIONS
Entity Type
Organization
Location Address
923 ROUTE 6A UNIT DD YARMOUTH PORT, MA 02675
Location Phone
(508) 371-2520
Mailing Address
47 COLBURNE PATH WEST YARMOUTH, MA 02673
Mailing Phone
(508) 292-3421
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-13-2026
Last Update Date
05-13-2026
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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
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

SUSANNE POWERS BC-HIS

Authorized Official Title
OWNER/PROVIDER
Authorized Official Phone
(508) 371-2520

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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 1669300034, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 6 + 0 + 0 + 0 + 6 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1669300034.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669300034, enumerated as an "organization" on May 13, 2026.

The provider is located at 923 ROUTE 6A UNIT DD YARMOUTH PORT, MA 02675 and the phone number is (508) 371-2520.

Hearing Instrument Specialist with taxonomy code 237700000X.