BENJAMIN CHERKASKY MA, LPC
NPI 1043878754
Counselor - Professional in Chicago, IL

NPI Status: Active since May 29, 2019

Contact Information

122 S MICHIGAN AVE STE 1433
CHICAGO, IL
ZIP 60603
Phone: (847) 529-8300

NPI Profile Information
Primary Taxonomy
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Counselor
Professional

About BENJAMIN CHERKASKY

This page provides the complete NPI Profile along with additional information for Benjamin Cherkasky, a provider established in Chicago, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1043878754 assigned on May 2019. The practitioner's primary taxonomy code is 101YP2500X with license number 178.014829 (IL). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI: 1043878754
Provider Name: BENJAMIN CHERKASKY MA, LPC
Gender: Male
Entity Type: Individual
Location Address: 122 S MICHIGAN AVE STE 1433 CHICAGO, IL 60603
Location Phone: (847) 529-8300
Mailing Address: 122 S MICHIGAN AVE STE 1433 CHICAGO, IL 60603
Mailing Phone: (847) 529-8300
Is Sole Proprietor?: No
Enumeration Date: 05-29-2019
Last Update Date: 05-29-2019
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Location Map

Secondary Locations

1033 University Pl Ste 330
Evanston, IL 60201
(847) 529-8300

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.: 178.014829
License State: IL

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 1043878754, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 10 → 1 + 0

Check

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 8 → 16 → 7 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 1 + 6 + 7 + 1 + 6 + 7 + 1 + 0 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1043878754.