MS. MARIE EVE S KIELSON MA LMFT LCPC
NPI 1881744936
Counselor - Professional in Winnetka, IL

NPI Status: Active since January 11, 2007

Contact Information

723 FOXDALE AVENUE
WINNETKA, IL
ZIP 60093
Phone: (847) 446-2311
Fax: (847) 501-5341

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  • Individual
  • Female
  • Counselor
  • Professional

About MARIE EVE S KIELSON

This page provides the complete NPI Profile along with additional information for Marie Eve S Kielson, a provider established in Winnetka, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1881744936 assigned on January 2007. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1881744936
Provider Name
MS. MARIE EVE S KIELSON MA LMFT LCPC
Gender
Female
Entity Type
Individual
Location Address
723 FOXDALE AVENUE WINNETKA, IL 60093
Location Phone
(847) 446-2311
Location Fax
(847) 501-5341
Mailing Address
723 FOXDALE AVENUE WINNETKA, IL 60093
Mailing Phone
(847) 446-2311
Mailing Fax
(847) 501-5341
Is Sole Proprietor?
No
Enumeration Date
01-11-2007
Last Update Date
09-11-2025
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License State
IL

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1106H00000XBehavioral Health & Social Service Providers

Marriage & Family Therapist

(IL)

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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 1881744936, 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 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
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
4
Unchanged
Pos 7
4
Doubled → 8
Pos 8
9
Unchanged
Pos 9
3
Doubled → 6
Check
6
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 8 → 16 → 7 7 → 14 → 5 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 1 + 4 + 4 + 8 + 9 + 6 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1881744936.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881744936, enumerated as an "individual" on January 11, 2007.

The provider is located at 723 FOXDALE AVENUE WINNETKA, IL 60093 and the phone number is (847) 446-2311.

Counselor with taxonomy code 101YP2500X and a focus in Professional.