CLS COUNSELING & CONSULTING, PLLC
NPI 1497563993
Counselor - Professional in Edwardsville, IL

NPI Status: Active since December 30, 2024

Contact Information

1063 S STATE ROUTE 157 STE 2-128
EDWARDSVILLE, IL
ZIP 62025
Phone: (618) 515-5890
Fax: (866) 423-9057

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  • Organization
  • Counselor
  • Professional

About CLS COUNSELING & CONSULTING, PLLC

This page provides the complete NPI Profile along with additional information for Cls Counseling & Consulting, Pllc, a provider established in Edwardsville, Illinois operating as a Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1497563993 assigned on December 2024. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Ms. Cassandra Sissom Lpc, Lcpc (Founder & Ceo)

NPI
1497563993
Provider Name
CLS COUNSELING & CONSULTING, PLLC
Entity Type
Organization
Location Address
1063 S STATE ROUTE 157 STE 2-128 EDWARDSVILLE, IL 62025
Location Phone
(618) 515-5890
Location Fax
(866) 423-9057
Mailing Address
1063 S STATE ROUTE 157 STE 2-128 EDWARDSVILLE, IL 62025
Mailing Phone
(618) 515-5890
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-30-2024
Last Update Date
08-23-2025
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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

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MS. CASSANDRA SISSOM LPC, LCPC

Authorized Official Title
FOUNDER & CEO
Authorized Official Phone
(618) 515-5890

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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 1497563993, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

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
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
3
Doubled → 6
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
3
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 9 → 18 → 9 5 → 10 → 1 3 → 6 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 0 + 6 + 6 + 9 + 1 + 8 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1497563993.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Counselor (Professional)
1063 S STATE ROUTE 157 STE 2-128
EDWARDSVILLE, IL 62025

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497563993, enumerated as an "organization" on December 30, 2024.

The provider is located at 1063 S STATE ROUTE 157 STE 2-128 EDWARDSVILLE, IL 62025 and the phone number is (618) 515-5890.

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