MR. MARK ALLAN FORSYTH
NPI 1144937434
Hearing Aid Equipment in Delray Beach, FL

NPI Status: Active since November 04, 2022

Contact Information

4665 W ATLANTIC AVE
DELRAY BEACH, FL
ZIP 33445
Phone: (561) 638-4733
Fax: (561) 638-4734

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Hearing Aid Equipment

About MARK FORSYTH

This page provides the complete NPI Profile along with additional information for Mark Forsyth, a provider established in Delray Beach, Florida with a medical specialization in Hearing Aid Equipment. The healthcare provider is registered in the NPI registry with number 1144937434 assigned on November 2022. The practitioner's primary taxonomy code is 332S00000X with license number AS2485 (FL). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI: 1144937434
Provider Name: MR. MARK ALLAN FORSYTH
Gender: Male
Entity Type: Individual
Location Address: 4665 W ATLANTIC AVE DELRAY BEACH, FL 33445
Location Phone: (561) 638-4733
Location Fax: (561) 638-4734
Mailing Address: 4665 W ATLANTIC AVE DELRAY BEACH, FL 33445
Mailing Phone: (561) 638-4733
Mailing Fax: (561) 638-4734
Is Sole Proprietor?: Yes
Enumeration Date: 11-04-2022
Last Update Date: 11-04-2022
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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 Aid Equipment
Taxonomy Code: 332S00000X
Type: Suppliers
License No.: AS2485
License State: FL
Taxonomy Description: The manufacture and/or sale of electronic hearing aids, their component parts, and related products and services on a national basis.

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 1144937434, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 14 → 1 + 4

Pos 8

Unchanged

Pos 9

Doubled → 6

Check

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 4 → 8 9 → 18 → 9 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 8 + 4 + 1 + 8 + 3 + 1 + 4 + 4 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1144937434.