ROSLYN LESSEM LCPC
NPI 1790105112
Counselor - Professional in Highland Park, IL

NPI Status: Active since April 24, 2014

Contact Information

1652 LINDEN AVE
HIGHLAND PARK, IL
ZIP 60035
Phone: (847) 477-7343

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  • Individual
  • Female
  • Counselor
  • Professional

About ROSLYN LESSEM

This page provides the complete NPI Profile along with additional information for Roslyn Lessem, a provider established in Highland Park, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1790105112 assigned on April 2014. The practitioner's primary taxonomy code is 101YP2500X with license number 180009029 (IL). The provider is registered as an individual and her NPI record was last updated 12 years ago.

NPI
1790105112
Provider Name
ROSLYN LESSEM LCPC
Gender
Female
Entity Type
Individual
Location Address
1652 LINDEN AVE HIGHLAND PARK, IL 60035
Location Phone
(847) 477-7343
Mailing Address
1652 LINDEN AVE HIGHLAND PARK, IL 60035
Mailing Phone
(847) 477-7343
Is Sole Proprietor?
Yes
Enumeration Date
04-24-2014
Last Update Date
04-24-2014
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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.
180009029
License State
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 1790105112, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).

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
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
1
Doubled → 2
Check
2
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 1 → 2 5 → 10 → 1 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 2 + 0 + 1 + 0 + 1 + 2 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1790105112.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790105112, enumerated as an "individual" on April 24, 2014.

The provider is located at 1652 LINDEN AVE HIGHLAND PARK, IL 60035 and the phone number is (847) 477-7343.

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