MR. KEVIN CRYSTAL LCPC
NPI 1356898647
Counselor - Professional in Evanston, IL

NPI Status: Active since September 05, 2016

Contact Information

636 CHURCH ST STE 511
EVANSTON, IL
ZIP 60201
Phone: (773) 972-5844
Fax: (847) 440-9036

Get Directions Write a Review

  • Individual
  • Male
  • Counselor
  • Professional

About KEVIN CRYSTAL

This page provides the complete NPI Profile along with additional information for Kevin Crystal, a provider established in Evanston, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1356898647 assigned on September 2016. The practitioner's primary taxonomy code is 101YP2500X with license number 180010702 (IL). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1356898647
Provider Name
MR. KEVIN CRYSTAL LCPC
Gender
Male
Entity Type
Individual
Location Address
636 CHURCH ST STE 511 EVANSTON, IL 60201
Location Phone
(773) 972-5844
Location Fax
(847) 440-9036
Mailing Address
636 CHURCH ST STE 511 EVANSTON, IL 60201
Mailing Phone
(773) 972-5844
Mailing Fax
(847) 440-9036
Is Sole Proprietor?
Yes
Enumeration Date
09-05-2016
Last Update Date
01-16-2020
Code Navigator

Location Map

Secondary Locations

  • 1821 Simpson St
    Evanston, IL 60201
    (773) 972-5844
  • 1609 Sherman Ave Ste 318
    Evanston, IL 60201
    (847) 440-4838

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.
180010702
License State
IL

Reviews for MR. KEVIN CRYSTAL LCPC

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1356898647, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
3
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
6
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
6
Unchanged
Pos 9
4
Doubled → 8
Check
7
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 8 → 16 → 7 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 0 + 6 + 1 + 6 + 9 + 1 + 6 + 6 + 8 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1356898647.

Other Providers at the Same Location


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

Counselor (Professional)
636 CHURCH ST STE 511
EVANSTON, IL 60201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1356898647, enumerated as an "individual" on September 05, 2016.

The provider is located at 636 CHURCH ST STE 511 EVANSTON, IL 60201 and the phone number is (773) 972-5844.

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