ANN OHLROGGE JOHNSON
NPI 1821122706
Counselor - Mental Health in Winnetka, IL

NPI Status: Active since March 15, 2007

Contact Information

690 OAK ST
WINNETKA, IL
ZIP 60093
Phone: (847) 446-6955
Fax: (847) 446-6957

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  • Individual
  • Female
  • Counselor
  • Mental Health

About ANN JOHNSON

This page provides the complete NPI Profile along with additional information for Ann Johnson, a provider established in Winnetka, Illinois with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1821122706 assigned on March 2007. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1821122706
Provider Name
ANN OHLROGGE JOHNSON
Gender
Female
Entity Type
Individual
Location Address
690 OAK ST WINNETKA, IL 60093
Location Phone
(847) 446-6955
Location Fax
(847) 446-6957
Mailing Address
690 OAK ST WINNETKA, IL 60093
Mailing Phone
(847) 446-6955
Mailing Fax
(847) 446-6957
Is Sole Proprietor?
No
Enumeration Date
03-15-2007
Last Update Date
07-08-2007
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A mental health counselor like Ann Johnson 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 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 1821122706, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
2
Unchanged
Pos 7
2
Doubled → 4
Pos 8
7
Unchanged
Pos 9
0
Doubled → 0
Check
6
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 2 → 4 1 → 2 2 → 4 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 2 + 2 + 4 + 7 + 0 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1821122706.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Counselor (Professional)
690 OAK ST
WINNETKA, IL 60093
Counselor (Addiction (Substance Use Disorder))
690 OAK ST
WINNETKA, IL 60093
Social Worker (Clinical)
690 OAK ST
WINNETKA, IL 60093
Social Worker (Clinical)
690 OAK ST
WINNETKA, IL 60093
Marriage & Family Therapist
690 OAK ST
WINNETKA, IL 60093
Social Worker (Clinical)
690 OAK ST
WINNETKA, IL 60093
Marriage & Family Therapist
690 OAK ST
WINNETKA, IL 60093

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821122706, enumerated as an "individual" on March 15, 2007.

The provider is located at 690 OAK ST WINNETKA, IL 60093 and the phone number is (847) 446-6955.

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