ALLISON KLEIN
NPI 1194616870
Counselor - Mental Health in Oak Brook, IL

NPI Status: Active since July 11, 2025

Contact Information

1000 JORIE BLVD STE 36
OAK BROOK, IL
ZIP 60523
Phone: (630) 560-1100

Get Directions Write a Review

  • Individual
  • Female
  • Counselor
  • Mental Health

About ALLISON KLEIN

This page provides the complete NPI Profile along with additional information for Allison Klein, a provider established in Oak Brook, Illinois with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1194616870 assigned on July 2025. The practitioner's primary taxonomy code is 101YM0800X with license number 178.021800 (IL). The provider is registered as an individual and her NPI record was last updated one year ago. Allison Klein operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1194616870
Provider Name
ALLISON KLEIN
Gender
Female
Entity Type
Individual
Location Address
1000 JORIE BLVD STE 36 OAK BROOK, IL 60523
Location Phone
(630) 560-1100
Mailing Address
9317 FOREST GLEN CT DARIEN, IL 60561
Mailing Phone
(309) 212-3258
Is Sole Proprietor?
Yes
Enumeration Date
07-11-2025
Last Update Date
07-11-2025
Code Navigator

A mental health counselor like Allison Klein provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

Location Map

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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
178.021800
License State
IL

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Reviews for ALLISON KLEIN

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 1194616870, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
1
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
4
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
8
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
0
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 6 → 12 → 3 6 → 12 → 3 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 8 + 4 + 1 + 2 + 1 + 1 + 2 + 8 + 1 + 4 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1194616870.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Counselor (Professional)
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523
Counselor (Professional)
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523
Counselor (Professional)
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523
Counselor (Professional)
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523
Social Worker (Clinical)
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523
Counselor (Professional)
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523
Counselor (Professional)
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523
Counselor (Professional)
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523
Counselor (Mental Health)
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523
Counselor (Mental Health)
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523
Counselor (Professional)
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523
Counselor (Professional)
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523
Counselor (Professional)
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523
Marriage & Family Therapist
1000 JORIE BLVD STE 36
OAK BROOK, IL 60523

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1194616870, enumerated as an "individual" on July 11, 2025.

The provider is located at 1000 JORIE BLVD STE 36 OAK BROOK, IL 60523 and the phone number is (630) 560-1100.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.