KELSIE LYNN HAMMAC
NPI 1750185831
Specialist/Technologist, Other in Great Lakes, IL

NPI Status: Active since April 01, 2025

Contact Information

3410 ILLINOIS ST
GREAT LAKES, IL
ZIP 60088
Phone: (847) 688-1900

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  • Individual
  • Female
  • Specialist/Technologist, Other

About KELSIE HAMMAC

This page provides the complete NPI Profile along with additional information for Kelsie Hammac, a provider established in Great Lakes, Illinois with a medical specialization in Specialist/technologist, Other. The healthcare provider is registered in the NPI registry with number 1750185831 assigned on April 2025. The practitioner's primary taxonomy code is 246Z00000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1750185831
Provider Name
KELSIE LYNN HAMMAC
Gender
Female
Entity Type
Individual
Location Address
3410 ILLINOIS ST GREAT LAKES, IL 60088
Location Phone
(847) 688-1900
Mailing Address
1417 LAKEWOOD DR JOLIET, IL 60431
Mailing Phone
(815) 715-0867
Is Sole Proprietor?
Yes
Enumeration Date
04-01-2025
Last Update Date
04-01-2025
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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

Specialist/Technologist, Other

Taxonomy Code
246Z00000X
Type
Technologists, Technicians & Other Technical Service Providers
Taxonomy Description
General classification identifying individuals trained on specific equipment and technical procedures in one of a collection of miscellaneous healthcare disciplines.

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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 1750185831, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
5
Doubled → 10 → 1 + 0
Pos 4
0
Unchanged
Pos 5
1
Doubled → 2
Pos 6
8
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
Check
1
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 5 → 10 → 1 1 → 2 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 0 + 0 + 2 + 8 + 1 + 0 + 8 + 6 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1750185831.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Physician Assistant
3410 ILLINOIS ST
GREAT LAKES, IL 60088
Physician Assistant
3410 ILLINOIS ST
NORTH CHICAGO, IL 60088
General Practice
3410 ILLINOIS ST
GREAT LAKES, IL 60088
Physical Therapy Assistant
3410 ILLINOIS ST
GREAT LAKES, IL 60088
General Practice
3410 ILLINOIS ST
GREAT LAKES, IL 60088
Physician Assistant
3410 ILLINOIS ST
GREAT LAKES, IL 60088

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1750185831, enumerated as an "individual" on April 01, 2025.

The provider is located at 3410 ILLINOIS ST GREAT LAKES, IL 60088 and the phone number is (847) 688-1900.

Specialist/Technologist, Other with taxonomy code 246Z00000X.