LAUREN JOHNSTON
NPI 1346038536
Social Worker - Clinical in Appleton, WI

NPI Status: Active since April 28, 2025

Contact Information

1535 N MCCARTHY RD APT 8
APPLETON, WI
ZIP 54913
Phone: (847) 971-2087
Fax: (847) 971-2087

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  • Individual
  • Social Worker
  • Clinical

About LAUREN JOHNSTON

This page provides the complete NPI Profile along with additional information for Lauren Johnston, a provider established in Appleton, Wisconsin operating as a Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1346038536 assigned on April 2025. The practitioner's primary taxonomy code is 1041C0700X with license number 6851115143 (MI). The provider is registered as an individual and their NPI record was last updated one year ago.

NPI
1346038536
Provider Name
LAUREN JOHNSTON
Gender
Entity Type
Individual
Location Address
1535 N MCCARTHY RD APT 8 APPLETON, WI 54913
Location Phone
(847) 971-2087
Location Fax
(847) 971-2087
Mailing Address
3353 GROVE LN AUBURN HILLS, MI 48326
Mailing Phone
(847) 971-2087
Mailing Fax
(847) 971-2087
Is Sole Proprietor?
Yes
Enumeration Date
04-28-2025
Last Update Date
04-28-2025
Code Navigator

A clinical social worker like Lauren Johnston is licensed to diagnose and treat mental, behavioral, and emotional disorders. A clinical social worker helps patients develop strategies to change behavior or cope with difficult situations and refer patients to other resources or services, such as support groups or other mental health professionals.

Location Map

Secondary Locations

  • 3353 Grove Ln
    Auburn Hills, MI 48326
    (847) 971-2087

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

Social Worker Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
License No.
6851115143
License State
MI
Taxonomy Description
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

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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 1346038536, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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
3
Unchanged
Pos 3
4
Doubled → 8
Pos 4
6
Unchanged
Pos 5
0
Doubled → 0
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
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 4 → 8 0 → 0 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 8 + 6 + 0 + 3 + 1 + 6 + 5 + 6 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1346038536.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1346038536, enumerated as an "individual" on April 28, 2025.

The provider is located at 1535 N MCCARTHY RD APT 8 APPLETON, WI 54913 and the phone number is (847) 971-2087.

Social Worker with taxonomy code 1041C0700X and a focus in Clinical.