KATIE SUSIK LPC
NPI 1851031165
Counselor - Professional in Glen Ellyn, IL

NPI Status: Active since April 01, 2022

Contact Information

45 S PARK BLVD
GLEN ELLYN, IL
ZIP 60137
Phone: (929) 724-4355

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  • Individual
  • Female
  • Counselor
  • Professional

About KATIE SUSIK

This page provides the complete NPI Profile along with additional information for Katie Susik, a provider established in Glen Ellyn, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1851031165 assigned on April 2022. The practitioner's primary taxonomy code is 101YP2500X with license number 178.017858 (IL). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1851031165
Provider Name
KATIE SUSIK LPC
Gender
Female
Entity Type
Individual
Location Address
45 S PARK BLVD GLEN ELLYN, IL 60137
Location Phone
(929) 724-4355
Mailing Address
45 S PARK BLVD GLEN ELLYN, IL 60137
Mailing Phone
(929) 724-4355
Is Sole Proprietor?
No
Enumeration Date
04-01-2022
Last Update Date
03-18-2025
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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 No.
178.017858
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)
1101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

178.017858 (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 1851031165, we treat the final digit (5) 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 45. The final step is to find the difference between that total and the next multiple of ten (50 - 45 = 5).

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
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
0
Doubled → 0
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
5
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 0 → 0 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 0 + 3 + 2 + 1 + 1 + 2 + 24 = 45

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

The next multiple of ten after 45 is 50. The difference is the calculated check digit.

50 - 45 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1851031165.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Psychologist (Clinical)
45 S PARK BLVD, SUITE 355
GLEN ELLYN, IL 60137
Dentist (General Practice)
45 S PARK BLVD, SUITE 190
GLEN ELLYN, IL 60137
Dentist (General Practice)
45 S PARK BLVD, 160
GLEN ELLYN, IL 60137
Dentist (Pediatric Dentistry)
45 S PARK BLVD, SUITE #105
GLEN ELLYN, IL 60137
Dentist (Pediatric Dentistry)
45 S PARK BLVD, SUITE #105
GLEN ELLYN, IL 60137
Marriage & Family Therapist
45 S PARK BLVD, SUITE 255
GLEN ELLYN, IL 60137
Dentist (Periodontics)
45 S PARK BLVD, SUITE 222
GLEN ELLYN, IL 60137
Dentist (General Practice)
45 S PARK BLVD, SUITE 224
GLEN ELLYN, IL 60137
Ophthalmology
45 S PARK BLVD, SUITE 375
GLEN ELLYN, IL 60137
Dentist (Endodontics)
45 S PARK BLVD, SUITE 225
GLEN ELLYN, IL 60137
Social Worker (Clinical)
45 S PARK BLVD
GLEN ELLYN, IL 60137
Social Worker
45 S PARK BLVD, SUITE 255
GLEN ELLYN, IL 60137
Social Worker
45 S PARK BLVD, STE 255
GLEN ELLYN, IL 60137
Social Worker
45 S PARK BLVD, SUITE 255
GLEN ELLYN, IL 60137
Dentist (Pediatric Dentistry)
45 S PARK BLVD, SUITE 105
GLEN ELLYN, IL 60137
Counselor (Pastoral)
45 S PARK BLVD, SUITE # 255
GLEN ELLYN, IL 60137
Counselor (Mental Health)
45 S PARK BLVD, STE 255
GLEN ELLYN, IL 60137
Clinic/Center (Mental Health (Including Community Mental Health Center))
45 S PARK BLVD, SUITE 255
GLEN ELLYN, IL 60137
Dentist (General Practice)
45 S PARK BLVD, SUITE 224
GLEN ELLYN, IL 60137
Counselor (Professional)
45 S PARK BLVD, SUITE 130
GLEN ELLYN, IL 60137

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851031165, enumerated as an "individual" on April 01, 2022.

The provider is located at 45 S PARK BLVD GLEN ELLYN, IL 60137 and the phone number is (929) 724-4355.

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