MR. KENNETH J GRAYER JR.
NPI 1740884279
Driver in Libertyville, IL

NPI Status: Active since November 25, 2020

Contact Information

520 E LINCOLN AVE
LIBERTYVILLE, IL
ZIP 60048
Phone: (662) 346-3883

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  • Individual
  • Male
  • Driver

About KENNETH GRAYER

This page provides the complete NPI Profile along with additional information for Kenneth Grayer, a provider established in Libertyville, Illinois with a medical specialization in Driver. The healthcare provider is registered in the NPI registry with number 1740884279 assigned on November 2020. The practitioner's primary taxonomy code is 172A00000X. The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1740884279
Provider Name
MR. KENNETH J GRAYER JR.
Gender
Male
Entity Type
Individual
Location Address
520 E LINCOLN AVE LIBERTYVILLE, IL 60048
Location Phone
(662) 346-3883
Mailing Address
520 E LINCOLN AVE LIBERTYVILLE, IL 60048
Mailing Phone
(662) 346-3883
Is Sole Proprietor?
No
Enumeration Date
11-25-2020
Last Update Date
08-16-2021
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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

Driver

Taxonomy Code
172A00000X
Type
Other Service Providers
Taxonomy Description
A person employed to operate a motor vehicle as a carrier of persons or property.

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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 1740884279, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
7
Unchanged
Pos 3
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
2
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
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 8 → 16 → 7 4 → 8 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 + 1 + 6 + 8 + 8 + 2 + 1 + 4 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1740884279.

Other Providers at the Same Location


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

Transportation Broker
520 E LINCOLN AVE
LIBERTYVILLE, IL 60048
Meals
520 E LINCOLN AVE
LIBERTYVILLE, IL 60048

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740884279, enumerated as an "individual" on November 25, 2020.

The provider is located at 520 E LINCOLN AVE LIBERTYVILLE, IL 60048 and the phone number is (662) 346-3883.

Driver with taxonomy code 172A00000X.