MASON MICHAEL WILLIAMSON
NPI 1740127976
Technician - Personal Care Attendant in Kenova, WV

NPI Status: Active since May 04, 2026

Contact Information

1401 CHESTNUT ST
KENOVA, WV
ZIP 25530
Phone: (304) 453-2800
Fax: (304) 453-2820

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

Individual
Male
Technician
Personal Care Attendant

About MASON WILLIAMSON

This page provides the complete NPI Profile along with additional information for Mason Williamson, a provider established in Kenova, West Virginia with a medical specialization in Technician, focusing in personal care attendant . The healthcare provider is registered in the NPI registry with number 1740127976 assigned on May 2026. The practitioner's primary taxonomy code is 3747P1801X. The provider is registered as an individual and his NPI record was last updated May 2026.

NPI: 1740127976
Provider Name: MASON MICHAEL WILLIAMSON
Gender: Male
Entity Type: Individual
Location Address: 1401 CHESTNUT ST KENOVA, WV 25530
Location Phone: (304) 453-2800
Location Fax: (304) 453-2820
Mailing Address: 325 35TH ST HUNTINGTON, WV 25702
Mailing Phone: (304) 453-2800
Mailing Fax: (304) 453-2820
Is Sole Proprietor?: No
Enumeration Date: 05-04-2026
Last Update Date: 05-04-2026
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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: Technician Personal Care Attendant
Taxonomy Code: 3747P1801X
Type: Nursing Service Related Providers
Taxonomy Description: An individual who provides assistance with eating, bathing, dressing, personal hygiene, activities of daily living as specified in the plan of care. Services which are incidental to the care furnished, or essential to the health and welfare of the individual may also be provided. Personal care providers must meet state defined training and certification standards

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 1740127976, 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 14 → 1 + 4

Pos 8

Unchanged

Pos 9

Doubled → 14 → 1 + 4

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 1 → 2 7 → 14 → 5 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 2 + 2 + 1 + 4 + 9 + 1 + 4 + 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 1740127976.